Blame view
kernel/sysctl.c
80.5 KB
457c89965 treewide: Add SPD... |
1 |
// SPDX-License-Identifier: GPL-2.0-only |
1da177e4c Linux-2.6.12-rc2 |
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
/* * sysctl.c: General linux system control interface * * Begun 24 March 1995, Stephen Tweedie * Added /proc support, Dec 1995 * Added bdflush entry and intvec min/max checking, 2/23/96, Tom Dyas. * Added hooks for /proc/sys/net (minor, minor patch), 96/4/1, Mike Shaver. * Added kernel/java-{interpreter,appletviewer}, 96/5/10, Mike Shaver. * Dynamic registration fixes, Stephen Tweedie. * Added kswapd-interval, ctrl-alt-del, printk stuff, 1/8/97, Chris Horn. * Made sysctl support optional via CONFIG_SYSCTL, 1/10/97, Chris * Horn. * Added proc_doulongvec_ms_jiffies_minmax, 09/08/99, Carlos H. Bauer. * Added proc_doulongvec_minmax, 09/08/99, Carlos H. Bauer. * Changed linked lists to use list.h instead of lists.h, 02/24/00, Bill * Wendling. * The list_for_each() macro wasn't appropriate for the sysctl loop. * Removed it and replaced it with older style, 03/23/00, Bill Wendling */ |
1da177e4c Linux-2.6.12-rc2 |
21 |
#include <linux/module.h> |
e2e40f2c1 fs: move struct k... |
22 |
#include <linux/aio.h> |
1da177e4c Linux-2.6.12-rc2 |
23 24 25 26 |
#include <linux/mm.h> #include <linux/swap.h> #include <linux/slab.h> #include <linux/sysctl.h> |
5a04cca6c sysctl: use bitma... |
27 |
#include <linux/bitmap.h> |
d33ed52d5 sysctl extern cle... |
28 |
#include <linux/signal.h> |
455cd5ab3 kptr_restrict for... |
29 |
#include <linux/printk.h> |
1da177e4c Linux-2.6.12-rc2 |
30 |
#include <linux/proc_fs.h> |
72c2d5823 V3 file capabilit... |
31 |
#include <linux/security.h> |
1da177e4c Linux-2.6.12-rc2 |
32 |
#include <linux/ctype.h> |
fd4b616b0 sysctl: suppress ... |
33 |
#include <linux/kmemleak.h> |
62239ac2b proper prototype ... |
34 |
#include <linux/fs.h> |
1da177e4c Linux-2.6.12-rc2 |
35 36 |
#include <linux/init.h> #include <linux/kernel.h> |
0296b2281 [PATCH] remove CO... |
37 |
#include <linux/kobject.h> |
20380731b [NET]: Fix sparse... |
38 |
#include <linux/net.h> |
1da177e4c Linux-2.6.12-rc2 |
39 40 41 |
#include <linux/sysrq.h> #include <linux/highuid.h> #include <linux/writeback.h> |
3fff4c42b printk: Remove ra... |
42 |
#include <linux/ratelimit.h> |
76ab0f530 mm: compaction: a... |
43 |
#include <linux/compaction.h> |
1da177e4c Linux-2.6.12-rc2 |
44 |
#include <linux/hugetlb.h> |
1da177e4c Linux-2.6.12-rc2 |
45 |
#include <linux/initrd.h> |
0b77f5bfb keys: make the ke... |
46 |
#include <linux/key.h> |
1da177e4c Linux-2.6.12-rc2 |
47 48 49 |
#include <linux/times.h> #include <linux/limits.h> #include <linux/dcache.h> |
6e006701c dnotify: move dir... |
50 |
#include <linux/dnotify.h> |
1da177e4c Linux-2.6.12-rc2 |
51 |
#include <linux/syscalls.h> |
c748e1340 mm/vmstat.c: prop... |
52 |
#include <linux/vmstat.h> |
c255d844d [PATCH] suspend-t... |
53 54 |
#include <linux/nfs_fs.h> #include <linux/acpi.h> |
10a0a8d4e Add common orderl... |
55 |
#include <linux/reboot.h> |
b0fc494fa ftrace: add ftrac... |
56 |
#include <linux/ftrace.h> |
cdd6c482c perf: Do the big ... |
57 |
#include <linux/perf_event.h> |
b2be84df9 kprobes: Jump opt... |
58 |
#include <linux/kprobes.h> |
b492e95be pipe: set lower a... |
59 |
#include <linux/pipe_fs_i.h> |
8e4228e1e oom: move sysctl ... |
60 |
#include <linux/oom.h> |
17f60a7da capabilites: allo... |
61 |
#include <linux/kmod.h> |
73efc0394 kernel/sysctl.c: ... |
62 |
#include <linux/capability.h> |
404015308 security: trim se... |
63 |
#include <linux/binfmts.h> |
cf4aebc29 sched: Move sched... |
64 |
#include <linux/sched/sysctl.h> |
f7ccbae45 sched/headers: Pr... |
65 |
#include <linux/sched/coredump.h> |
7984754b9 kexec: add sysctl... |
66 |
#include <linux/kexec.h> |
1be7f75d1 bpf: enable non-r... |
67 |
#include <linux/bpf.h> |
d29216842 mnt: Add a per mo... |
68 |
#include <linux/mount.h> |
cefdca0a8 userfaultfd/sysct... |
69 |
#include <linux/userfaultfd_k.h> |
1da177e4c Linux-2.6.12-rc2 |
70 |
|
7f2923c4f sysctl: handle ov... |
71 |
#include "../lib/kstrtox.h" |
7c0f6ba68 Replace <asm/uacc... |
72 |
#include <linux/uaccess.h> |
1da177e4c Linux-2.6.12-rc2 |
73 |
#include <asm/processor.h> |
29cbc78b9 [PATCH] x86: Clea... |
74 75 |
#ifdef CONFIG_X86 #include <asm/nmi.h> |
0741f4d20 [PATCH] x86: add ... |
76 |
#include <asm/stacktrace.h> |
6e7c40259 x86: various chan... |
77 |
#include <asm/io.h> |
29cbc78b9 [PATCH] x86: Clea... |
78 |
#endif |
d550bbd40 Disintegrate asm/... |
79 80 81 |
#ifdef CONFIG_SPARC #include <asm/setup.h> #endif |
c55b7c3e8 sysctl extern cle... |
82 83 84 |
#ifdef CONFIG_BSD_PROCESS_ACCT #include <linux/acct.h> #endif |
4f0e056fd sysctl extern cle... |
85 86 87 |
#ifdef CONFIG_RT_MUTEXES #include <linux/rtmutex.h> #endif |
2edf5e498 sysctl extern cle... |
88 89 90 |
#if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT) #include <linux/lockdep.h> #endif |
15485a468 sysctl extern cle... |
91 92 93 |
#ifdef CONFIG_CHR_DEV_SG #include <scsi/sg.h> #endif |
964c9dff0 stackleak: Allow ... |
94 95 96 |
#ifdef CONFIG_STACKLEAK_RUNTIME_DISABLE #include <linux/stackleak.h> #endif |
58687acba lockup_detector: ... |
97 |
#ifdef CONFIG_LOCKUP_DETECTOR |
504d7cf10 nmi_watchdog: Com... |
98 99 |
#include <linux/nmi.h> #endif |
1da177e4c Linux-2.6.12-rc2 |
100 101 102 |
#if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ |
d6e711448 [PATCH] setuid co... |
103 |
extern int suid_dumpable; |
046d662f4 coredump: make co... |
104 105 |
#ifdef CONFIG_COREDUMP extern int core_uses_pid; |
1da177e4c Linux-2.6.12-rc2 |
106 |
extern char core_pattern[]; |
a293980c2 exec: let do_core... |
107 |
extern unsigned int core_pipe_limit; |
046d662f4 coredump: make co... |
108 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
109 |
extern int pid_max; |
1da177e4c Linux-2.6.12-rc2 |
110 |
extern int pid_max_min, pid_max_max; |
8ad4b1fb8 [PATCH] Make high... |
111 |
extern int percpu_pagelist_fraction; |
9745512ce sched: latencytop... |
112 |
extern int latencytop_enabled; |
9b80a184e fs/file: more uns... |
113 |
extern unsigned int sysctl_nr_open_min, sysctl_nr_open_max; |
dd8632a12 NOMMU: Make mmap ... |
114 115 116 |
#ifndef CONFIG_MMU extern int sysctl_nr_trim_pages; #endif |
1da177e4c Linux-2.6.12-rc2 |
117 |
|
c4f3b63fe softlockup: add a... |
118 |
/* Constants used for minimum and maximum */ |
2508ce184 lockup_detector: ... |
119 |
#ifdef CONFIG_LOCKUP_DETECTOR |
c4f3b63fe softlockup: add a... |
120 121 |
static int sixty = 60; #endif |
270750dbc hung_task: Displa... |
122 |
static int __maybe_unused neg_one = -1; |
cd5f9a4c3 kernel/sysctl.c: ... |
123 |
static int __maybe_unused two = 2; |
5509a5d27 drop_caches: add ... |
124 |
static int __maybe_unused four = 4; |
9002b2146 kernel/sysctl.c: ... |
125 |
static unsigned long zero_ul; |
fc3501d41 mm: fix dirty_byt... |
126 |
static unsigned long one_ul = 1; |
32a5ad9c2 sysctl: handle ov... |
127 |
static unsigned long long_max = LONG_MAX; |
c4f3b63fe softlockup: add a... |
128 |
static int one_hundred = 100; |
795ae7a0d mm: scale kswapd ... |
129 |
static int one_thousand = 1000; |
af91322ef printk: add print... |
130 131 132 |
#ifdef CONFIG_PRINTK static int ten_thousand = 10000; #endif |
c5dfd78eb perf core: Allow ... |
133 134 135 |
#ifdef CONFIG_PERF_EVENTS static int six_hundred_forty_kb = 640 * 1024; #endif |
c4f3b63fe softlockup: add a... |
136 |
|
9e4a5bda8 mm: prevent divid... |
137 138 |
/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; |
1da177e4c Linux-2.6.12-rc2 |
139 140 141 142 143 |
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; static int minolduid; static int ngroups_max = NGROUPS_MAX; |
73efc0394 kernel/sysctl.c: ... |
144 |
static const int cap_last_cap = CAP_LAST_CAP; |
1da177e4c Linux-2.6.12-rc2 |
145 |
|
a2e514453 kernel/hung_task.... |
146 147 148 149 |
/* * This is needed for proc_doulongvec_minmax of sysctl_hung_task_timeout_secs * and hung_task_check_interval_secs */ |
80df28476 hung_task: check ... |
150 151 152 |
#ifdef CONFIG_DETECT_HUNG_TASK static unsigned long hung_task_timeout_max = (LONG_MAX/HZ); #endif |
d14f17294 sysctl extern cle... |
153 154 155 |
#ifdef CONFIG_INOTIFY_USER #include <linux/inotify.h> #endif |
72c57ed50 sysctl: Use CONFI... |
156 |
#ifdef CONFIG_SPARC |
1da177e4c Linux-2.6.12-rc2 |
157 |
#endif |
b67114db6 parisc: sysctl.c:... |
158 |
#ifdef CONFIG_PARISC |
1da177e4c Linux-2.6.12-rc2 |
159 |
extern int pwrsw_enabled; |
bf14e3b97 sysctl: Enable PA... |
160 161 162 |
#endif #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW |
1da177e4c Linux-2.6.12-rc2 |
163 164 |
extern int unaligned_enabled; #endif |
1da177e4c Linux-2.6.12-rc2 |
165 |
|
d2b176ed8 [IA64] sysctl opt... |
166 |
#ifdef CONFIG_IA64 |
88fc241f5 [IA64] dump stack... |
167 |
extern int unaligned_dump_stack; |
d2b176ed8 [IA64] sysctl opt... |
168 |
#endif |
b6fca7253 sysctl: Enable IA... |
169 170 171 |
#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN extern int no_unaligned_warning; #endif |
d6f8ff738 [PATCH] cad_pid s... |
172 |
#ifdef CONFIG_PROC_SYSCTL |
f4aacea2f sysctl: allow for... |
173 |
|
a19ac3374 sysctl: kdoc'ify ... |
174 175 176 177 |
/** * enum sysctl_writes_mode - supported sysctl write modes * * @SYSCTL_WRITES_LEGACY: each write syscall must fully contain the sysctl value |
65f50f255 kernel: fix typos... |
178 179 180 |
* to be written, and multiple writes on the same sysctl file descriptor * will rewrite the sysctl value, regardless of file position. No warning * is issued when the initial position is not 0. |
a19ac3374 sysctl: kdoc'ify ... |
181 |
* @SYSCTL_WRITES_WARN: same as above but warn when the initial file position is |
65f50f255 kernel: fix typos... |
182 |
* not 0. |
a19ac3374 sysctl: kdoc'ify ... |
183 |
* @SYSCTL_WRITES_STRICT: writes to numeric sysctl entries must always be at |
65f50f255 kernel: fix typos... |
184 185 186 187 188 |
* file position 0 and the value must be fully contained in the buffer * sent to the write syscall. If dealing with strings respect the file * position, but restrict this to the max length of the buffer, anything * passed the max length will be ignored. Multiple writes will append * to the buffer. |
a19ac3374 sysctl: kdoc'ify ... |
189 190 191 192 193 194 195 196 197 |
* * These write modes control how current file position affects the behavior of * updating sysctl values through the proc interface on each write. */ enum sysctl_writes_mode { SYSCTL_WRITES_LEGACY = -1, SYSCTL_WRITES_WARN = 0, SYSCTL_WRITES_STRICT = 1, }; |
f4aacea2f sysctl: allow for... |
198 |
|
a19ac3374 sysctl: kdoc'ify ... |
199 |
static enum sysctl_writes_mode sysctl_writes_strict = SYSCTL_WRITES_STRICT; |
f4aacea2f sysctl: allow for... |
200 |
|
8d65af789 sysctl: remove "s... |
201 |
static int proc_do_cad_pid(struct ctl_table *table, int write, |
9ec52099e [PATCH] replace c... |
202 |
void __user *buffer, size_t *lenp, loff_t *ppos); |
8d65af789 sysctl: remove "s... |
203 |
static int proc_taint(struct ctl_table *table, int write, |
34f5a3989 [PATCH] Add TAINT... |
204 |
void __user *buffer, size_t *lenp, loff_t *ppos); |
d6f8ff738 [PATCH] cad_pid s... |
205 |
#endif |
9ec52099e [PATCH] replace c... |
206 |
|
bfdc0b497 sysctl: restrict ... |
207 |
#ifdef CONFIG_PRINTK |
620f6e8e8 sysctl: fix write... |
208 |
static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, |
bfdc0b497 sysctl: restrict ... |
209 210 |
void __user *buffer, size_t *lenp, loff_t *ppos); #endif |
54b501992 coredump: warn ab... |
211 212 |
static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); |
046d662f4 coredump: make co... |
213 |
#ifdef CONFIG_COREDUMP |
54b501992 coredump: warn ab... |
214 215 |
static int proc_dostring_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); |
046d662f4 coredump: make co... |
216 |
#endif |
319e0a21b pipe, sysctl: rem... |
217 218 |
static int proc_dopipe_max_size(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); |
54b501992 coredump: warn ab... |
219 |
|
97f5f0cd8 Input: implement ... |
220 |
#ifdef CONFIG_MAGIC_SYSRQ |
5f733e8a2 kernel/sysctl.c: ... |
221 |
/* Note: sysrq code uses its own private copy */ |
8eaede49d sysrq: Allow magi... |
222 |
static int __sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE; |
97f5f0cd8 Input: implement ... |
223 |
|
6f8fd1d77 sysctl: convert u... |
224 |
static int sysrq_sysctl_handler(struct ctl_table *table, int write, |
97f5f0cd8 Input: implement ... |
225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 |
void __user *buffer, size_t *lenp, loff_t *ppos) { int error; error = proc_dointvec(table, write, buffer, lenp, ppos); if (error) return error; if (write) sysrq_toggle_support(__sysrq_enabled); return 0; } #endif |
d8217f076 sysctl core: Stop... |
241 242 243 244 245 246 |
static struct ctl_table kern_table[]; static struct ctl_table vm_table[]; static struct ctl_table fs_table[]; static struct ctl_table debug_table[]; static struct ctl_table dev_table[]; extern struct ctl_table random_table[]; |
7ef9964e6 epoll: introduce ... |
247 248 249 |
#ifdef CONFIG_EPOLL extern struct ctl_table epoll_table[]; #endif |
1da177e4c Linux-2.6.12-rc2 |
250 |
|
ceb181322 firmware: enable ... |
251 252 253 |
#ifdef CONFIG_FW_LOADER_USER_HELPER extern struct ctl_table firmware_config_table[]; #endif |
67f3977f8 arm64, mm: move g... |
254 255 |
#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \ defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT) |
1da177e4c Linux-2.6.12-rc2 |
256 257 |
int sysctl_legacy_va_layout; #endif |
1da177e4c Linux-2.6.12-rc2 |
258 |
/* The default sysctl tables: */ |
de4e83bd6 sysctl: Register ... |
259 |
static struct ctl_table sysctl_base_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
260 |
{ |
1da177e4c Linux-2.6.12-rc2 |
261 262 263 264 265 |
.procname = "kernel", .mode = 0555, .child = kern_table, }, { |
1da177e4c Linux-2.6.12-rc2 |
266 267 268 269 |
.procname = "vm", .mode = 0555, .child = vm_table, }, |
1da177e4c Linux-2.6.12-rc2 |
270 |
{ |
1da177e4c Linux-2.6.12-rc2 |
271 272 273 274 275 |
.procname = "fs", .mode = 0555, .child = fs_table, }, { |
1da177e4c Linux-2.6.12-rc2 |
276 277 278 279 280 |
.procname = "debug", .mode = 0555, .child = debug_table, }, { |
1da177e4c Linux-2.6.12-rc2 |
281 282 283 284 |
.procname = "dev", .mode = 0555, .child = dev_table, }, |
6fce56ec9 sysctl: Remove re... |
285 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
286 |
}; |
77e54a1f8 sched: add CFS de... |
287 |
#ifdef CONFIG_SCHED_DEBUG |
73c4efd2c sched: sysctl, pr... |
288 289 290 291 |
static int min_sched_granularity_ns = 100000; /* 100 usecs */ static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */ static int min_wakeup_granularity_ns; /* 0 usecs */ static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */ |
cbee9f88e mm: numa: Add fau... |
292 |
#ifdef CONFIG_SMP |
1983a922a sched: Make tunab... |
293 294 |
static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; |
cbee9f88e mm: numa: Add fau... |
295 296 |
#endif /* CONFIG_SMP */ #endif /* CONFIG_SCHED_DEBUG */ |
77e54a1f8 sched: add CFS de... |
297 |
|
5e7719058 mm: compaction: a... |
298 299 300 301 |
#ifdef CONFIG_COMPACTION static int min_extfrag_threshold; static int max_extfrag_threshold = 1000; #endif |
d8217f076 sysctl core: Stop... |
302 |
static struct ctl_table kern_table[] = { |
2bba22c50 sched: Turn off c... |
303 |
{ |
2bba22c50 sched: Turn off c... |
304 305 306 307 |
.procname = "sched_child_runs_first", .data = &sysctl_sched_child_runs_first, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
308 |
.proc_handler = proc_dointvec, |
2bba22c50 sched: Turn off c... |
309 |
}, |
77e54a1f8 sched: add CFS de... |
310 311 |
#ifdef CONFIG_SCHED_DEBUG { |
b2be5e96d sched: reintroduc... |
312 313 |
.procname = "sched_min_granularity_ns", .data = &sysctl_sched_min_granularity, |
77e54a1f8 sched: add CFS de... |
314 315 |
.maxlen = sizeof(unsigned int), .mode = 0644, |
702a7c760 Merge branch 'sch... |
316 |
.proc_handler = sched_proc_update_handler, |
b2be5e96d sched: reintroduc... |
317 318 |
.extra1 = &min_sched_granularity_ns, .extra2 = &max_sched_granularity_ns, |
77e54a1f8 sched: add CFS de... |
319 320 |
}, { |
218050855 sched: adaptive s... |
321 322 323 324 |
.procname = "sched_latency_ns", .data = &sysctl_sched_latency, .maxlen = sizeof(unsigned int), .mode = 0644, |
702a7c760 Merge branch 'sch... |
325 |
.proc_handler = sched_proc_update_handler, |
218050855 sched: adaptive s... |
326 327 328 329 |
.extra1 = &min_sched_granularity_ns, .extra2 = &max_sched_granularity_ns, }, { |
77e54a1f8 sched: add CFS de... |
330 331 332 333 |
.procname = "sched_wakeup_granularity_ns", .data = &sysctl_sched_wakeup_granularity, .maxlen = sizeof(unsigned int), .mode = 0644, |
702a7c760 Merge branch 'sch... |
334 |
.proc_handler = sched_proc_update_handler, |
77e54a1f8 sched: add CFS de... |
335 336 337 |
.extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, |
cbee9f88e mm: numa: Add fau... |
338 |
#ifdef CONFIG_SMP |
77e54a1f8 sched: add CFS de... |
339 |
{ |
1983a922a sched: Make tunab... |
340 341 342 343 |
.procname = "sched_tunable_scaling", .data = &sysctl_sched_tunable_scaling, .maxlen = sizeof(enum sched_tunable_scaling), .mode = 0644, |
702a7c760 Merge branch 'sch... |
344 |
.proc_handler = sched_proc_update_handler, |
1983a922a sched: Make tunab... |
345 346 |
.extra1 = &min_sched_tunable_scaling, .extra2 = &max_sched_tunable_scaling, |
2398f2c6d sched: update sha... |
347 348 |
}, { |
d00535db4 sched: Add time u... |
349 |
.procname = "sched_migration_cost_ns", |
da84d9617 sched: reintroduc... |
350 351 352 |
.data = &sysctl_sched_migration_cost, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
353 |
.proc_handler = proc_dointvec, |
da84d9617 sched: reintroduc... |
354 |
}, |
b82d9fdd8 sched: avoid larg... |
355 |
{ |
b82d9fdd8 sched: avoid larg... |
356 357 358 |
.procname = "sched_nr_migrate", .data = &sysctl_sched_nr_migrate, .maxlen = sizeof(unsigned int), |
fa85ae241 sched: rt time limit |
359 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
360 |
.proc_handler = proc_dointvec, |
fa85ae241 sched: rt time limit |
361 |
}, |
cb2517653 sched/debug: Make... |
362 363 364 365 366 367 368 |
#ifdef CONFIG_SCHEDSTATS { .procname = "sched_schedstats", .data = NULL, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_schedstats, |
eec4844fa proc/sysctl: add ... |
369 370 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
cb2517653 sched/debug: Make... |
371 372 |
}, #endif /* CONFIG_SCHEDSTATS */ |
cbee9f88e mm: numa: Add fau... |
373 374 375 |
#endif /* CONFIG_SMP */ #ifdef CONFIG_NUMA_BALANCING { |
4b96a29ba mm: sched: numa: ... |
376 377 378 379 380 381 382 |
.procname = "numa_balancing_scan_delay_ms", .data = &sysctl_numa_balancing_scan_delay, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { |
cbee9f88e mm: numa: Add fau... |
383 384 385 386 387 388 389 390 391 392 393 394 395 |
.procname = "numa_balancing_scan_period_min_ms", .data = &sysctl_numa_balancing_scan_period_min, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "numa_balancing_scan_period_max_ms", .data = &sysctl_numa_balancing_scan_period_max, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, |
6e5fb223e mm: sched: numa: ... |
396 397 398 399 400 |
{ .procname = "numa_balancing_scan_size_mb", .data = &sysctl_numa_balancing_scan_size, .maxlen = sizeof(unsigned int), .mode = 0644, |
641926589 sched/fair: Fix d... |
401 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
402 |
.extra1 = SYSCTL_ONE, |
6e5fb223e mm: sched: numa: ... |
403 |
}, |
3a7053b32 sched/numa: Favou... |
404 |
{ |
54a43d549 numa: add a sysct... |
405 406 407 408 409 |
.procname = "numa_balancing", .data = NULL, /* filled in by handler */ .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_numa_balancing, |
eec4844fa proc/sysctl: add ... |
410 411 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
54a43d549 numa: add a sysct... |
412 |
}, |
cbee9f88e mm: numa: Add fau... |
413 414 |
#endif /* CONFIG_NUMA_BALANCING */ #endif /* CONFIG_SCHED_DEBUG */ |
1799e35d5 sched: add /proc/... |
415 |
{ |
9f0c1e560 sched: rt-group: ... |
416 417 418 419 |
.procname = "sched_rt_period_us", .data = &sysctl_sched_rt_period, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
420 |
.proc_handler = sched_rt_handler, |
9f0c1e560 sched: rt-group: ... |
421 422 |
}, { |
9f0c1e560 sched: rt-group: ... |
423 424 425 426 |
.procname = "sched_rt_runtime_us", .data = &sysctl_sched_rt_runtime, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
427 |
.proc_handler = sched_rt_handler, |
9f0c1e560 sched: rt-group: ... |
428 |
}, |
ce0dbbbb3 sched/rt: Add a t... |
429 430 |
{ .procname = "sched_rr_timeslice_ms", |
975e155ed sched/rt: Show th... |
431 |
.data = &sysctl_sched_rr_timeslice, |
ce0dbbbb3 sched/rt: Add a t... |
432 433 434 435 |
.maxlen = sizeof(int), .mode = 0644, .proc_handler = sched_rr_handler, }, |
e8f14172c sched/uclamp: Add... |
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 |
#ifdef CONFIG_UCLAMP_TASK { .procname = "sched_util_clamp_min", .data = &sysctl_sched_uclamp_util_min, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_sched_uclamp_handler, }, { .procname = "sched_util_clamp_max", .data = &sysctl_sched_uclamp_util_max, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_sched_uclamp_handler, }, #endif |
5091faa44 sched: Add 'autog... |
452 453 454 455 456 457 |
#ifdef CONFIG_SCHED_AUTOGROUP { .procname = "sched_autogroup_enabled", .data = &sysctl_sched_autogroup_enabled, .maxlen = sizeof(unsigned int), .mode = 0644, |
1747b21fe sched, autogroup,... |
458 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
459 460 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
5091faa44 sched: Add 'autog... |
461 462 |
}, #endif |
ec12cb7f3 sched: Accumulate... |
463 464 465 466 467 468 469 |
#ifdef CONFIG_CFS_BANDWIDTH { .procname = "sched_cfs_bandwidth_slice_us", .data = &sysctl_sched_cfs_bandwidth_slice, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
470 |
.extra1 = SYSCTL_ONE, |
ec12cb7f3 sched: Accumulate... |
471 472 |
}, #endif |
8d5d0cfb6 sched/topology: I... |
473 474 475 476 477 478 479 |
#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) { .procname = "sched_energy_aware", .data = &sysctl_sched_energy_aware, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_energy_aware_handler, |
eec4844fa proc/sysctl: add ... |
480 481 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
8d5d0cfb6 sched/topology: I... |
482 483 |
}, #endif |
f20786ff4 lockstat: core in... |
484 485 |
#ifdef CONFIG_PROVE_LOCKING { |
f20786ff4 lockstat: core in... |
486 487 488 489 |
.procname = "prove_locking", .data = &prove_locking, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
490 |
.proc_handler = proc_dointvec, |
f20786ff4 lockstat: core in... |
491 492 493 494 |
}, #endif #ifdef CONFIG_LOCK_STAT { |
f20786ff4 lockstat: core in... |
495 496 497 498 |
.procname = "lock_stat", .data = &lock_stat, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
499 |
.proc_handler = proc_dointvec, |
f20786ff4 lockstat: core in... |
500 501 |
}, #endif |
77e54a1f8 sched: add CFS de... |
502 |
{ |
1da177e4c Linux-2.6.12-rc2 |
503 504 505 506 |
.procname = "panic", .data = &panic_timeout, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
507 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
508 |
}, |
046d662f4 coredump: make co... |
509 |
#ifdef CONFIG_COREDUMP |
1da177e4c Linux-2.6.12-rc2 |
510 |
{ |
1da177e4c Linux-2.6.12-rc2 |
511 512 513 514 |
.procname = "core_uses_pid", .data = &core_uses_pid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
515 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
516 517 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
518 519 |
.procname = "core_pattern", .data = core_pattern, |
71ce92f3f make sysctl/kerne... |
520 |
.maxlen = CORENAME_MAX_SIZE, |
1da177e4c Linux-2.6.12-rc2 |
521 |
.mode = 0644, |
54b501992 coredump: warn ab... |
522 |
.proc_handler = proc_dostring_coredump, |
1da177e4c Linux-2.6.12-rc2 |
523 |
}, |
a293980c2 exec: let do_core... |
524 |
{ |
a293980c2 exec: let do_core... |
525 526 527 528 |
.procname = "core_pipe_limit", .data = &core_pipe_limit, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
529 |
.proc_handler = proc_dointvec, |
a293980c2 exec: let do_core... |
530 |
}, |
046d662f4 coredump: make co... |
531 |
#endif |
34f5a3989 [PATCH] Add TAINT... |
532 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
533 |
{ |
1da177e4c Linux-2.6.12-rc2 |
534 |
.procname = "tainted", |
25ddbb18a Make the taint fl... |
535 |
.maxlen = sizeof(long), |
34f5a3989 [PATCH] Add TAINT... |
536 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
537 |
.proc_handler = proc_taint, |
1da177e4c Linux-2.6.12-rc2 |
538 |
}, |
f4aacea2f sysctl: allow for... |
539 540 541 542 543 544 545 |
{ .procname = "sysctl_writes_strict", .data = &sysctl_writes_strict, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &neg_one, |
eec4844fa proc/sysctl: add ... |
546 |
.extra2 = SYSCTL_ONE, |
f4aacea2f sysctl: allow for... |
547 |
}, |
34f5a3989 [PATCH] Add TAINT... |
548 |
#endif |
9745512ce sched: latencytop... |
549 550 551 552 553 554 |
#ifdef CONFIG_LATENCYTOP { .procname = "latencytop", .data = &latencytop_enabled, .maxlen = sizeof(int), .mode = 0644, |
cb2517653 sched/debug: Make... |
555 |
.proc_handler = sysctl_latencytop, |
9745512ce sched: latencytop... |
556 557 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
558 559 |
#ifdef CONFIG_BLK_DEV_INITRD { |
1da177e4c Linux-2.6.12-rc2 |
560 561 562 563 |
.procname = "real-root-dev", .data = &real_root_dev, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
564 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
565 566 |
}, #endif |
45807a1df vdso: print fatal... |
567 |
{ |
45807a1df vdso: print fatal... |
568 569 570 571 |
.procname = "print-fatal-signals", .data = &print_fatal_signals, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
572 |
.proc_handler = proc_dointvec, |
45807a1df vdso: print fatal... |
573 |
}, |
72c57ed50 sysctl: Use CONFI... |
574 |
#ifdef CONFIG_SPARC |
1da177e4c Linux-2.6.12-rc2 |
575 |
{ |
1da177e4c Linux-2.6.12-rc2 |
576 577 578 579 |
.procname = "reboot-cmd", .data = reboot_command, .maxlen = 256, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
580 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
581 582 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
583 584 585 586 |
.procname = "stop-a", .data = &stop_a_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
587 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
588 589 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
590 591 592 593 |
.procname = "scons-poweroff", .data = &scons_pwroff, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
594 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
595 596 |
}, #endif |
0871420fa sparc64: Add tsb-... |
597 598 |
#ifdef CONFIG_SPARC64 { |
0871420fa sparc64: Add tsb-... |
599 600 601 602 |
.procname = "tsb-ratio", .data = &sysctl_tsb_ratio, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
603 |
.proc_handler = proc_dointvec, |
0871420fa sparc64: Add tsb-... |
604 605 |
}, #endif |
b67114db6 parisc: sysctl.c:... |
606 |
#ifdef CONFIG_PARISC |
1da177e4c Linux-2.6.12-rc2 |
607 |
{ |
1da177e4c Linux-2.6.12-rc2 |
608 609 610 611 |
.procname = "soft-power", .data = &pwrsw_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
612 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
613 |
}, |
bf14e3b97 sysctl: Enable PA... |
614 615 |
#endif #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW |
1da177e4c Linux-2.6.12-rc2 |
616 |
{ |
1da177e4c Linux-2.6.12-rc2 |
617 618 619 620 |
.procname = "unaligned-trap", .data = &unaligned_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
621 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
622 623 624 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
625 626 627 628 |
.procname = "ctrl-alt-del", .data = &C_A_D, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
629 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
630 |
}, |
606576ce8 ftrace: rename FT... |
631 |
#ifdef CONFIG_FUNCTION_TRACER |
b0fc494fa ftrace: add ftrac... |
632 |
{ |
b0fc494fa ftrace: add ftrac... |
633 634 635 636 |
.procname = "ftrace_enabled", .data = &ftrace_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
637 |
.proc_handler = ftrace_enable_sysctl, |
b0fc494fa ftrace: add ftrac... |
638 639 |
}, #endif |
f38f1d2aa trace: add a way ... |
640 641 |
#ifdef CONFIG_STACK_TRACER { |
f38f1d2aa trace: add a way ... |
642 643 644 645 |
.procname = "stack_tracer_enabled", .data = &stack_tracer_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
646 |
.proc_handler = stack_trace_sysctl, |
f38f1d2aa trace: add a way ... |
647 648 |
}, #endif |
944ac4259 ftrace: ftrace du... |
649 650 |
#ifdef CONFIG_TRACING { |
3299b4dd1 ftrace: sysctl typo |
651 |
.procname = "ftrace_dump_on_oops", |
944ac4259 ftrace: ftrace du... |
652 653 654 |
.data = &ftrace_dump_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
655 |
.proc_handler = proc_dointvec, |
944ac4259 ftrace: ftrace du... |
656 |
}, |
de7edd314 tracing: Disable ... |
657 658 659 660 661 662 663 |
{ .procname = "traceoff_on_warning", .data = &__disable_trace_on_warning, .maxlen = sizeof(__disable_trace_on_warning), .mode = 0644, .proc_handler = proc_dointvec, }, |
0daa23029 tracing: Add tp_p... |
664 665 666 667 668 |
{ .procname = "tracepoint_printk", .data = &tracepoint_printk, .maxlen = sizeof(tracepoint_printk), .mode = 0644, |
423917457 tracing: Make tra... |
669 |
.proc_handler = tracepoint_printk_sysctl, |
0daa23029 tracing: Add tp_p... |
670 |
}, |
944ac4259 ftrace: ftrace du... |
671 |
#endif |
2965faa5e kexec: split kexe... |
672 |
#ifdef CONFIG_KEXEC_CORE |
7984754b9 kexec: add sysctl... |
673 674 675 676 677 678 679 |
{ .procname = "kexec_load_disabled", .data = &kexec_load_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
680 681 |
.extra1 = SYSCTL_ONE, .extra2 = SYSCTL_ONE, |
7984754b9 kexec: add sysctl... |
682 683 |
}, #endif |
a1ef5adb4 remove CONFIG_KMO... |
684 |
#ifdef CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
685 |
{ |
1da177e4c Linux-2.6.12-rc2 |
686 687 688 689 |
.procname = "modprobe", .data = &modprobe_path, .maxlen = KMOD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
690 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
691 |
}, |
3d43321b7 modules: sysctl t... |
692 |
{ |
3d43321b7 modules: sysctl t... |
693 694 695 696 697 |
.procname = "modules_disabled", .data = &modules_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ |
6d4561110 sysctl: Drop & in... |
698 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
699 700 |
.extra1 = SYSCTL_ONE, .extra2 = SYSCTL_ONE, |
3d43321b7 modules: sysctl t... |
701 |
}, |
1da177e4c Linux-2.6.12-rc2 |
702 |
#endif |
86d56134f kobject: Make sup... |
703 |
#ifdef CONFIG_UEVENT_HELPER |
1da177e4c Linux-2.6.12-rc2 |
704 |
{ |
1da177e4c Linux-2.6.12-rc2 |
705 |
.procname = "hotplug", |
312c004d3 [PATCH] driver co... |
706 707 |
.data = &uevent_helper, .maxlen = UEVENT_HELPER_PATH_LEN, |
1da177e4c Linux-2.6.12-rc2 |
708 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
709 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
710 |
}, |
86d56134f kobject: Make sup... |
711 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
712 713 |
#ifdef CONFIG_CHR_DEV_SG { |
1da177e4c Linux-2.6.12-rc2 |
714 715 716 717 |
.procname = "sg-big-buff", .data = &sg_big_buff, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
718 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
719 720 721 722 |
}, #endif #ifdef CONFIG_BSD_PROCESS_ACCT { |
1da177e4c Linux-2.6.12-rc2 |
723 724 725 726 |
.procname = "acct", .data = &acct_parm, .maxlen = 3*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
727 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
728 729 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
730 731 |
#ifdef CONFIG_MAGIC_SYSRQ { |
1da177e4c Linux-2.6.12-rc2 |
732 |
.procname = "sysrq", |
5d6f647fc [PATCH] debug: ad... |
733 |
.data = &__sysrq_enabled, |
1da177e4c Linux-2.6.12-rc2 |
734 735 |
.maxlen = sizeof (int), .mode = 0644, |
97f5f0cd8 Input: implement ... |
736 |
.proc_handler = sysrq_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
737 738 |
}, #endif |
d6f8ff738 [PATCH] cad_pid s... |
739 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
740 |
{ |
1da177e4c Linux-2.6.12-rc2 |
741 |
.procname = "cad_pid", |
9ec52099e [PATCH] replace c... |
742 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
743 744 |
.maxlen = sizeof (int), .mode = 0600, |
6d4561110 sysctl: Drop & in... |
745 |
.proc_handler = proc_do_cad_pid, |
1da177e4c Linux-2.6.12-rc2 |
746 |
}, |
d6f8ff738 [PATCH] cad_pid s... |
747 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
748 |
{ |
1da177e4c Linux-2.6.12-rc2 |
749 |
.procname = "threads-max", |
16db3d3f1 kernel/sysctl.c: ... |
750 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
751 752 |
.maxlen = sizeof(int), .mode = 0644, |
16db3d3f1 kernel/sysctl.c: ... |
753 |
.proc_handler = sysctl_max_threads, |
1da177e4c Linux-2.6.12-rc2 |
754 755 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
756 757 758 759 |
.procname = "random", .mode = 0555, .child = random_table, }, |
1da177e4c Linux-2.6.12-rc2 |
760 |
{ |
17f60a7da capabilites: allo... |
761 762 763 764 |
.procname = "usermodehelper", .mode = 0555, .child = usermodehelper_table, }, |
ceb181322 firmware: enable ... |
765 766 767 768 769 770 771 |
#ifdef CONFIG_FW_LOADER_USER_HELPER { .procname = "firmware_config", .mode = 0555, .child = firmware_config_table, }, #endif |
17f60a7da capabilites: allo... |
772 |
{ |
1da177e4c Linux-2.6.12-rc2 |
773 774 775 776 |
.procname = "overflowuid", .data = &overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
777 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
778 779 780 781 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
782 783 784 785 |
.procname = "overflowgid", .data = &overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
786 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
787 788 789 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
347a8dc3b [PATCH] s390: cle... |
790 |
#ifdef CONFIG_S390 |
1da177e4c Linux-2.6.12-rc2 |
791 792 |
#ifdef CONFIG_MATHEMU { |
1da177e4c Linux-2.6.12-rc2 |
793 794 795 796 |
.procname = "ieee_emulation_warnings", .data = &sysctl_ieee_emulation_warnings, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
797 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
798 799 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
800 |
{ |
1da177e4c Linux-2.6.12-rc2 |
801 |
.procname = "userprocess_debug", |
ab3c68ee5 [S390] debug: ena... |
802 |
.data = &show_unhandled_signals, |
1da177e4c Linux-2.6.12-rc2 |
803 804 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
805 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
806 807 808 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
809 810 811 812 |
.procname = "pid_max", .data = &pid_max, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
813 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
814 815 816 817 |
.extra1 = &pid_max_min, .extra2 = &pid_max_max, }, { |
1da177e4c Linux-2.6.12-rc2 |
818 819 820 821 |
.procname = "panic_on_oops", .data = &panic_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
822 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
823 |
}, |
81c9d43f9 kernel/sysctl: ad... |
824 825 826 827 828 829 830 |
{ .procname = "panic_print", .data = &panic_print, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, |
7ef3d2fd1 printk_ratelimit(... |
831 832 |
#if defined CONFIG_PRINTK { |
7ef3d2fd1 printk_ratelimit(... |
833 834 835 836 |
.procname = "printk", .data = &console_loglevel, .maxlen = 4*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
837 |
.proc_handler = proc_dointvec, |
7ef3d2fd1 printk_ratelimit(... |
838 |
}, |
1da177e4c Linux-2.6.12-rc2 |
839 |
{ |
1da177e4c Linux-2.6.12-rc2 |
840 |
.procname = "printk_ratelimit", |
717115e1a printk ratelimiti... |
841 |
.data = &printk_ratelimit_state.interval, |
1da177e4c Linux-2.6.12-rc2 |
842 843 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
844 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
845 846 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
847 |
.procname = "printk_ratelimit_burst", |
717115e1a printk ratelimiti... |
848 |
.data = &printk_ratelimit_state.burst, |
1da177e4c Linux-2.6.12-rc2 |
849 850 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
851 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
852 |
}, |
af91322ef printk: add print... |
853 |
{ |
af91322ef printk: add print... |
854 855 856 857 |
.procname = "printk_delay", .data = &printk_delay_msec, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
858 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
859 |
.extra1 = SYSCTL_ZERO, |
af91322ef printk: add print... |
860 861 |
.extra2 = &ten_thousand, }, |
1da177e4c Linux-2.6.12-rc2 |
862 |
{ |
750afe7ba printk: add kerne... |
863 864 865 866 867 868 869 |
.procname = "printk_devkmsg", .data = devkmsg_log_str, .maxlen = DEVKMSG_STR_MAX_SIZE, .mode = 0644, .proc_handler = devkmsg_sysctl_set_loglvl, }, { |
eaf06b241 Restrict unprivil... |
870 871 872 873 |
.procname = "dmesg_restrict", .data = &dmesg_restrict, .maxlen = sizeof(int), .mode = 0644, |
620f6e8e8 sysctl: fix write... |
874 |
.proc_handler = proc_dointvec_minmax_sysadmin, |
eec4844fa proc/sysctl: add ... |
875 876 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
eaf06b241 Restrict unprivil... |
877 |
}, |
455cd5ab3 kptr_restrict for... |
878 879 880 881 882 |
{ .procname = "kptr_restrict", .data = &kptr_restrict, .maxlen = sizeof(int), .mode = 0644, |
620f6e8e8 sysctl: fix write... |
883 |
.proc_handler = proc_dointvec_minmax_sysadmin, |
eec4844fa proc/sysctl: add ... |
884 |
.extra1 = SYSCTL_ZERO, |
455cd5ab3 kptr_restrict for... |
885 886 |
.extra2 = &two, }, |
df6e61d4c kernel/sysctl.c: ... |
887 |
#endif |
eaf06b241 Restrict unprivil... |
888 |
{ |
1da177e4c Linux-2.6.12-rc2 |
889 890 891 892 |
.procname = "ngroups_max", .data = &ngroups_max, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
893 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
894 |
}, |
73efc0394 kernel/sysctl.c: ... |
895 896 897 898 899 900 901 |
{ .procname = "cap_last_cap", .data = (void *)&cap_last_cap, .maxlen = sizeof(int), .mode = 0444, .proc_handler = proc_dointvec, }, |
58687acba lockup_detector: ... |
902 |
#if defined(CONFIG_LOCKUP_DETECTOR) |
504d7cf10 nmi_watchdog: Com... |
903 |
{ |
58687acba lockup_detector: ... |
904 |
.procname = "watchdog", |
7feeb9cd4 watchdog/sysctl: ... |
905 906 907 |
.data = &watchdog_user_enabled, .maxlen = sizeof(int), .mode = 0644, |
195daf665 watchdog: enable ... |
908 |
.proc_handler = proc_watchdog, |
eec4844fa proc/sysctl: add ... |
909 910 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
58687acba lockup_detector: ... |
911 912 913 |
}, { .procname = "watchdog_thresh", |
586692a5a watchdog: Disable... |
914 |
.data = &watchdog_thresh, |
58687acba lockup_detector: ... |
915 916 |
.maxlen = sizeof(int), .mode = 0644, |
195daf665 watchdog: enable ... |
917 |
.proc_handler = proc_watchdog_thresh, |
eec4844fa proc/sysctl: add ... |
918 |
.extra1 = SYSCTL_ZERO, |
58687acba lockup_detector: ... |
919 |
.extra2 = &sixty, |
504d7cf10 nmi_watchdog: Com... |
920 |
}, |
2508ce184 lockup_detector: ... |
921 |
{ |
195daf665 watchdog: enable ... |
922 |
.procname = "nmi_watchdog", |
7feeb9cd4 watchdog/sysctl: ... |
923 924 |
.data = &nmi_watchdog_user_enabled, .maxlen = sizeof(int), |
51d4052b0 watchdog/sysctl: ... |
925 |
.mode = NMI_WATCHDOG_SYSCTL_PERM, |
195daf665 watchdog: enable ... |
926 |
.proc_handler = proc_nmi_watchdog, |
eec4844fa proc/sysctl: add ... |
927 928 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
195daf665 watchdog: enable ... |
929 930 |
}, { |
05a4a9527 kernel/watchdog: ... |
931 932 933 934 935 936 937 938 |
.procname = "watchdog_cpumask", .data = &watchdog_cpumask_bits, .maxlen = NR_CPUS, .mode = 0644, .proc_handler = proc_watchdog_cpumask, }, #ifdef CONFIG_SOFTLOCKUP_DETECTOR { |
195daf665 watchdog: enable ... |
939 |
.procname = "soft_watchdog", |
7feeb9cd4 watchdog/sysctl: ... |
940 941 942 |
.data = &soft_watchdog_user_enabled, .maxlen = sizeof(int), .mode = 0644, |
195daf665 watchdog: enable ... |
943 |
.proc_handler = proc_soft_watchdog, |
eec4844fa proc/sysctl: add ... |
944 945 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
195daf665 watchdog: enable ... |
946 947 |
}, { |
2508ce184 lockup_detector: ... |
948 949 950 951 952 |
.procname = "softlockup_panic", .data = &softlockup_panic, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
953 954 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
2508ce184 lockup_detector: ... |
955 |
}, |
05a4a9527 kernel/watchdog: ... |
956 |
#ifdef CONFIG_SMP |
ac1f59124 kernel/watchdog.c... |
957 |
{ |
05a4a9527 kernel/watchdog: ... |
958 959 |
.procname = "softlockup_all_cpu_backtrace", .data = &sysctl_softlockup_all_cpu_backtrace, |
ac1f59124 kernel/watchdog.c... |
960 961 962 |
.maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
963 964 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
ac1f59124 kernel/watchdog.c... |
965 |
}, |
05a4a9527 kernel/watchdog: ... |
966 |
#endif /* CONFIG_SMP */ |
ac1f59124 kernel/watchdog.c... |
967 |
#endif |
05a4a9527 kernel/watchdog: ... |
968 |
#ifdef CONFIG_HARDLOCKUP_DETECTOR |
ed235875e kernel/watchdog.c... |
969 |
{ |
05a4a9527 kernel/watchdog: ... |
970 971 |
.procname = "hardlockup_panic", .data = &hardlockup_panic, |
ed235875e kernel/watchdog.c... |
972 973 974 |
.maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
975 976 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
ed235875e kernel/watchdog.c... |
977 |
}, |
05a4a9527 kernel/watchdog: ... |
978 |
#ifdef CONFIG_SMP |
55537871e kernel/watchdog.c... |
979 980 981 982 983 984 |
{ .procname = "hardlockup_all_cpu_backtrace", .data = &sysctl_hardlockup_all_cpu_backtrace, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
985 986 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
55537871e kernel/watchdog.c... |
987 |
}, |
ed235875e kernel/watchdog.c... |
988 |
#endif /* CONFIG_SMP */ |
5dc305587 x86, NMI: Add bac... |
989 |
#endif |
05a4a9527 kernel/watchdog: ... |
990 |
#endif |
5dc305587 x86, NMI: Add bac... |
991 992 993 994 995 996 997 998 |
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) { .procname = "unknown_nmi_panic", .data = &unknown_nmi_panic, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, |
504d7cf10 nmi_watchdog: Com... |
999 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
1000 1001 |
#if defined(CONFIG_X86) { |
8da5adda9 [PATCH] x86: Allo... |
1002 1003 1004 1005 |
.procname = "panic_on_unrecovered_nmi", .data = &panic_on_unrecovered_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1006 |
.proc_handler = proc_dointvec, |
8da5adda9 [PATCH] x86: Allo... |
1007 1008 |
}, { |
5211a242d x86: Add sysctl t... |
1009 1010 1011 1012 |
.procname = "panic_on_io_nmi", .data = &panic_on_io_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1013 |
.proc_handler = proc_dointvec, |
5211a242d x86: Add sysctl t... |
1014 |
}, |
55af77969 x86: Panic on det... |
1015 1016 1017 1018 1019 1020 1021 1022 1023 |
#ifdef CONFIG_DEBUG_STACKOVERFLOW { .procname = "panic_on_stackoverflow", .data = &sysctl_panic_on_stackoverflow, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif |
5211a242d x86: Add sysctl t... |
1024 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1025 1026 1027 1028 |
.procname = "bootloader_type", .data = &bootloader_type, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1029 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1030 |
}, |
0741f4d20 [PATCH] x86: add ... |
1031 |
{ |
5031296c5 x86: add extensio... |
1032 1033 1034 1035 |
.procname = "bootloader_version", .data = &bootloader_version, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1036 |
.proc_handler = proc_dointvec, |
5031296c5 x86: add extensio... |
1037 1038 |
}, { |
6e7c40259 x86: various chan... |
1039 1040 1041 1042 |
.procname = "io_delay_type", .data = &io_delay_type, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1043 |
.proc_handler = proc_dointvec, |
6e7c40259 x86: various chan... |
1044 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1045 |
#endif |
7a9166e3b [PATCH] Fix undef... |
1046 |
#if defined(CONFIG_MMU) |
1da177e4c Linux-2.6.12-rc2 |
1047 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1048 1049 1050 1051 |
.procname = "randomize_va_space", .data = &randomize_va_space, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1052 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1053 |
}, |
7a9166e3b [PATCH] Fix undef... |
1054 |
#endif |
0152fb376 [PATCH] s390: spi... |
1055 |
#if defined(CONFIG_S390) && defined(CONFIG_SMP) |
951f22d5b [PATCH] s390: spi... |
1056 |
{ |
951f22d5b [PATCH] s390: spi... |
1057 1058 1059 1060 |
.procname = "spin_retry", .data = &spin_retry, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1061 |
.proc_handler = proc_dointvec, |
951f22d5b [PATCH] s390: spi... |
1062 1063 |
}, #endif |
673d5b43d ACPI: restore CON... |
1064 |
#if defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86) |
c255d844d [PATCH] suspend-t... |
1065 |
{ |
c255d844d [PATCH] suspend-t... |
1066 |
.procname = "acpi_video_flags", |
77afcf78a PM: Integrate bee... |
1067 |
.data = &acpi_realmode_flags, |
c255d844d [PATCH] suspend-t... |
1068 1069 |
.maxlen = sizeof (unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1070 |
.proc_handler = proc_doulongvec_minmax, |
c255d844d [PATCH] suspend-t... |
1071 1072 |
}, #endif |
b6fca7253 sysctl: Enable IA... |
1073 |
#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN |
d2b176ed8 [IA64] sysctl opt... |
1074 |
{ |
d2b176ed8 [IA64] sysctl opt... |
1075 1076 1077 1078 |
.procname = "ignore-unaligned-usertrap", .data = &no_unaligned_warning, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1079 |
.proc_handler = proc_dointvec, |
d2b176ed8 [IA64] sysctl opt... |
1080 |
}, |
b6fca7253 sysctl: Enable IA... |
1081 1082 |
#endif #ifdef CONFIG_IA64 |
88fc241f5 [IA64] dump stack... |
1083 |
{ |
88fc241f5 [IA64] dump stack... |
1084 1085 1086 1087 |
.procname = "unaligned-dump-stack", .data = &unaligned_dump_stack, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1088 |
.proc_handler = proc_dointvec, |
88fc241f5 [IA64] dump stack... |
1089 |
}, |
d2b176ed8 [IA64] sysctl opt... |
1090 |
#endif |
e162b39a3 softlockup: decou... |
1091 1092 |
#ifdef CONFIG_DETECT_HUNG_TASK { |
e162b39a3 softlockup: decou... |
1093 1094 1095 1096 |
.procname = "hung_task_panic", .data = &sysctl_hung_task_panic, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1097 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1098 1099 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
e162b39a3 softlockup: decou... |
1100 |
}, |
82a1fcb90 softlockup: autom... |
1101 |
{ |
82a1fcb90 softlockup: autom... |
1102 1103 |
.procname = "hung_task_check_count", .data = &sysctl_hung_task_check_count, |
cd64647f0 hung_task: Change... |
1104 |
.maxlen = sizeof(int), |
82a1fcb90 softlockup: autom... |
1105 |
.mode = 0644, |
cd64647f0 hung_task: Change... |
1106 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1107 |
.extra1 = SYSCTL_ZERO, |
82a1fcb90 softlockup: autom... |
1108 1109 |
}, { |
82a1fcb90 softlockup: autom... |
1110 1111 |
.procname = "hung_task_timeout_secs", .data = &sysctl_hung_task_timeout_secs, |
90739081e softlockup: fix s... |
1112 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
1113 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1114 |
.proc_handler = proc_dohung_task_timeout_secs, |
80df28476 hung_task: check ... |
1115 |
.extra2 = &hung_task_timeout_max, |
82a1fcb90 softlockup: autom... |
1116 1117 |
}, { |
a2e514453 kernel/hung_task.... |
1118 1119 1120 1121 1122 1123 1124 1125 |
.procname = "hung_task_check_interval_secs", .data = &sysctl_hung_task_check_interval_secs, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_dohung_task_timeout_secs, .extra2 = &hung_task_timeout_max, }, { |
82a1fcb90 softlockup: autom... |
1126 1127 |
.procname = "hung_task_warnings", .data = &sysctl_hung_task_warnings, |
270750dbc hung_task: Displa... |
1128 |
.maxlen = sizeof(int), |
82a1fcb90 softlockup: autom... |
1129 |
.mode = 0644, |
270750dbc hung_task: Displa... |
1130 1131 |
.proc_handler = proc_dointvec_minmax, .extra1 = &neg_one, |
82a1fcb90 softlockup: autom... |
1132 |
}, |
c4f3b63fe softlockup: add a... |
1133 |
#endif |
23f78d4a0 [PATCH] pi-futex:... |
1134 1135 |
#ifdef CONFIG_RT_MUTEXES { |
23f78d4a0 [PATCH] pi-futex:... |
1136 1137 1138 1139 |
.procname = "max_lock_depth", .data = &max_lock_depth, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1140 |
.proc_handler = proc_dointvec, |
23f78d4a0 [PATCH] pi-futex:... |
1141 1142 |
}, #endif |
10a0a8d4e Add common orderl... |
1143 |
{ |
10a0a8d4e Add common orderl... |
1144 1145 1146 1147 |
.procname = "poweroff_cmd", .data = &poweroff_cmd, .maxlen = POWEROFF_CMD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1148 |
.proc_handler = proc_dostring, |
10a0a8d4e Add common orderl... |
1149 |
}, |
0b77f5bfb keys: make the ke... |
1150 1151 |
#ifdef CONFIG_KEYS { |
0b77f5bfb keys: make the ke... |
1152 1153 1154 1155 1156 |
.procname = "keys", .mode = 0555, .child = key_sysctls, }, #endif |
cdd6c482c perf: Do the big ... |
1157 |
#ifdef CONFIG_PERF_EVENTS |
aa4a22187 perf: Comment /pr... |
1158 1159 1160 1161 1162 1163 |
/* * User-space scripts rely on the existence of this file * as a feature check for perf_events being enabled. * * So it's an ABI, do not remove! */ |
1ccd15497 perf_counter: sys... |
1164 |
{ |
cdd6c482c perf: Do the big ... |
1165 1166 1167 |
.procname = "perf_event_paranoid", .data = &sysctl_perf_event_paranoid, .maxlen = sizeof(sysctl_perf_event_paranoid), |
1ccd15497 perf_counter: sys... |
1168 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1169 |
.proc_handler = proc_dointvec, |
1ccd15497 perf_counter: sys... |
1170 |
}, |
c5078f78b perf_counter: pro... |
1171 |
{ |
cdd6c482c perf: Do the big ... |
1172 1173 1174 |
.procname = "perf_event_mlock_kb", .data = &sysctl_perf_event_mlock, .maxlen = sizeof(sysctl_perf_event_mlock), |
c5078f78b perf_counter: pro... |
1175 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1176 |
.proc_handler = proc_dointvec, |
c5078f78b perf_counter: pro... |
1177 |
}, |
a78ac3258 perf_counter: Gen... |
1178 |
{ |
cdd6c482c perf: Do the big ... |
1179 1180 1181 |
.procname = "perf_event_max_sample_rate", .data = &sysctl_perf_event_sample_rate, .maxlen = sizeof(sysctl_perf_event_sample_rate), |
a78ac3258 perf_counter: Gen... |
1182 |
.mode = 0644, |
163ec4354 perf: Optimize th... |
1183 |
.proc_handler = perf_proc_update_handler, |
eec4844fa proc/sysctl: add ... |
1184 |
.extra1 = SYSCTL_ONE, |
a78ac3258 perf_counter: Gen... |
1185 |
}, |
14c63f17b perf: Drop sample... |
1186 1187 1188 1189 1190 1191 |
{ .procname = "perf_cpu_time_max_percent", .data = &sysctl_perf_cpu_time_max_percent, .maxlen = sizeof(sysctl_perf_cpu_time_max_percent), .mode = 0644, .proc_handler = perf_cpu_time_max_percent_handler, |
eec4844fa proc/sysctl: add ... |
1192 |
.extra1 = SYSCTL_ZERO, |
14c63f17b perf: Drop sample... |
1193 1194 |
.extra2 = &one_hundred, }, |
c5dfd78eb perf core: Allow ... |
1195 1196 |
{ .procname = "perf_event_max_stack", |
a831100ae perf core: Genera... |
1197 |
.data = &sysctl_perf_event_max_stack, |
c5dfd78eb perf core: Allow ... |
1198 1199 1200 |
.maxlen = sizeof(sysctl_perf_event_max_stack), .mode = 0644, .proc_handler = perf_event_max_stack_handler, |
eec4844fa proc/sysctl: add ... |
1201 |
.extra1 = SYSCTL_ZERO, |
c5dfd78eb perf core: Allow ... |
1202 1203 |
.extra2 = &six_hundred_forty_kb, }, |
c85b03349 perf core: Separa... |
1204 1205 1206 1207 1208 1209 |
{ .procname = "perf_event_max_contexts_per_stack", .data = &sysctl_perf_event_max_contexts_per_stack, .maxlen = sizeof(sysctl_perf_event_max_contexts_per_stack), .mode = 0644, .proc_handler = perf_event_max_stack_handler, |
eec4844fa proc/sysctl: add ... |
1210 |
.extra1 = SYSCTL_ZERO, |
c85b03349 perf core: Separa... |
1211 1212 |
.extra2 = &one_thousand, }, |
1ccd15497 perf_counter: sys... |
1213 |
#endif |
9e3961a09 kernel: add panic... |
1214 1215 1216 1217 1218 1219 |
{ .procname = "panic_on_warn", .data = &panic_on_warn, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1220 1221 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
9e3961a09 kernel: add panic... |
1222 |
}, |
bc7a34b8b timer: Reduce tim... |
1223 1224 1225 1226 1227 1228 1229 |
#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) { .procname = "timer_migration", .data = &sysctl_timer_migration, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = timer_migration_handler, |
eec4844fa proc/sysctl: add ... |
1230 1231 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
bc7a34b8b timer: Reduce tim... |
1232 1233 |
}, #endif |
1be7f75d1 bpf: enable non-r... |
1234 1235 1236 1237 1238 1239 1240 1241 |
#ifdef CONFIG_BPF_SYSCALL { .procname = "unprivileged_bpf_disabled", .data = &sysctl_unprivileged_bpf_disabled, .maxlen = sizeof(sysctl_unprivileged_bpf_disabled), .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1242 1243 |
.extra1 = SYSCTL_ONE, .extra2 = SYSCTL_ONE, |
1be7f75d1 bpf: enable non-r... |
1244 |
}, |
492ecee89 bpf: enable progr... |
1245 1246 |
{ .procname = "bpf_stats_enabled", |
a8e11e5c5 sysctl: define pr... |
1247 1248 |
.data = &bpf_stats_enabled_key.key, .maxlen = sizeof(bpf_stats_enabled_key), |
492ecee89 bpf: enable progr... |
1249 |
.mode = 0644, |
a8e11e5c5 sysctl: define pr... |
1250 |
.proc_handler = proc_do_static_key, |
492ecee89 bpf: enable progr... |
1251 |
}, |
3fcc5530b bpf: fix build wi... |
1252 |
#endif |
088e9d253 rcu: sysctl: Pani... |
1253 1254 1255 1256 1257 1258 1259 |
#if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) { .procname = "panic_on_rcu_stall", .data = &sysctl_panic_on_rcu_stall, .maxlen = sizeof(sysctl_panic_on_rcu_stall), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1260 1261 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
088e9d253 rcu: sysctl: Pani... |
1262 1263 |
}, #endif |
964c9dff0 stackleak: Allow ... |
1264 1265 1266 1267 1268 1269 1270 |
#ifdef CONFIG_STACKLEAK_RUNTIME_DISABLE { .procname = "stack_erasing", .data = NULL, .maxlen = sizeof(int), .mode = 0600, .proc_handler = stack_erasing_sysctl, |
eec4844fa proc/sysctl: add ... |
1271 1272 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
964c9dff0 stackleak: Allow ... |
1273 1274 |
}, #endif |
6fce56ec9 sysctl: Remove re... |
1275 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1276 |
}; |
d8217f076 sysctl core: Stop... |
1277 |
static struct ctl_table vm_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1278 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1279 1280 1281 1282 |
.procname = "overcommit_memory", .data = &sysctl_overcommit_memory, .maxlen = sizeof(sysctl_overcommit_memory), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1283 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1284 |
.extra1 = SYSCTL_ZERO, |
cb16e95fa sysctl: add some ... |
1285 |
.extra2 = &two, |
1da177e4c Linux-2.6.12-rc2 |
1286 1287 |
}, { |
fadd8fbd1 [PATCH] support f... |
1288 1289 1290 1291 |
.procname = "panic_on_oom", .data = &sysctl_panic_on_oom, .maxlen = sizeof(sysctl_panic_on_oom), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1292 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1293 |
.extra1 = SYSCTL_ZERO, |
cb16e95fa sysctl: add some ... |
1294 |
.extra2 = &two, |
fadd8fbd1 [PATCH] support f... |
1295 1296 |
}, { |
fe071d7e8 oom: add oom_kill... |
1297 1298 1299 1300 |
.procname = "oom_kill_allocating_task", .data = &sysctl_oom_kill_allocating_task, .maxlen = sizeof(sysctl_oom_kill_allocating_task), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1301 |
.proc_handler = proc_dointvec, |
fe071d7e8 oom: add oom_kill... |
1302 1303 |
}, { |
fef1bdd68 oom: add sysctl t... |
1304 1305 1306 1307 |
.procname = "oom_dump_tasks", .data = &sysctl_oom_dump_tasks, .maxlen = sizeof(sysctl_oom_dump_tasks), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1308 |
.proc_handler = proc_dointvec, |
fef1bdd68 oom: add sysctl t... |
1309 1310 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1311 1312 1313 1314 |
.procname = "overcommit_ratio", .data = &sysctl_overcommit_ratio, .maxlen = sizeof(sysctl_overcommit_ratio), .mode = 0644, |
49f0ce5f9 mm: add overcommi... |
1315 1316 1317 1318 1319 1320 1321 1322 |
.proc_handler = overcommit_ratio_handler, }, { .procname = "overcommit_kbytes", .data = &sysctl_overcommit_kbytes, .maxlen = sizeof(sysctl_overcommit_kbytes), .mode = 0644, .proc_handler = overcommit_kbytes_handler, |
1da177e4c Linux-2.6.12-rc2 |
1323 1324 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1325 1326 1327 1328 |
.procname = "page-cluster", .data = &page_cluster, .maxlen = sizeof(int), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1329 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1330 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1331 1332 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1333 1334 1335 1336 |
.procname = "dirty_background_ratio", .data = &dirty_background_ratio, .maxlen = sizeof(dirty_background_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1337 |
.proc_handler = dirty_background_ratio_handler, |
eec4844fa proc/sysctl: add ... |
1338 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1339 1340 1341 |
.extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
1342 1343 1344 1345 |
.procname = "dirty_background_bytes", .data = &dirty_background_bytes, .maxlen = sizeof(dirty_background_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1346 |
.proc_handler = dirty_background_bytes_handler, |
fc3501d41 mm: fix dirty_byt... |
1347 |
.extra1 = &one_ul, |
2da02997e mm: add dirty_bac... |
1348 1349 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1350 1351 1352 1353 |
.procname = "dirty_ratio", .data = &vm_dirty_ratio, .maxlen = sizeof(vm_dirty_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1354 |
.proc_handler = dirty_ratio_handler, |
eec4844fa proc/sysctl: add ... |
1355 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1356 1357 1358 |
.extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
1359 1360 1361 1362 |
.procname = "dirty_bytes", .data = &vm_dirty_bytes, .maxlen = sizeof(vm_dirty_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1363 |
.proc_handler = dirty_bytes_handler, |
9e4a5bda8 mm: prevent divid... |
1364 |
.extra1 = &dirty_bytes_min, |
2da02997e mm: add dirty_bac... |
1365 1366 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1367 |
.procname = "dirty_writeback_centisecs", |
f6ef94381 [PATCH] Represent... |
1368 1369 |
.data = &dirty_writeback_interval, .maxlen = sizeof(dirty_writeback_interval), |
1da177e4c Linux-2.6.12-rc2 |
1370 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1371 |
.proc_handler = dirty_writeback_centisecs_handler, |
1da177e4c Linux-2.6.12-rc2 |
1372 1373 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1374 |
.procname = "dirty_expire_centisecs", |
f6ef94381 [PATCH] Represent... |
1375 1376 |
.data = &dirty_expire_interval, .maxlen = sizeof(dirty_expire_interval), |
1da177e4c Linux-2.6.12-rc2 |
1377 |
.mode = 0644, |
cb16e95fa sysctl: add some ... |
1378 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1379 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1380 1381 |
}, { |
1efff914a fs: add dirtytime... |
1382 1383 |
.procname = "dirtytime_expire_seconds", .data = &dirtytime_expire_interval, |
2d87b309a kernel/sysctl.c: ... |
1384 |
.maxlen = sizeof(dirtytime_expire_interval), |
1efff914a fs: add dirtytime... |
1385 1386 |
.mode = 0644, .proc_handler = dirtytime_interval_handler, |
eec4844fa proc/sysctl: add ... |
1387 |
.extra1 = SYSCTL_ZERO, |
1efff914a fs: add dirtytime... |
1388 1389 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1390 1391 1392 1393 |
.procname = "swappiness", .data = &vm_swappiness, .maxlen = sizeof(vm_swappiness), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1394 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1395 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1396 1397 1398 |
.extra2 = &one_hundred, }, #ifdef CONFIG_HUGETLB_PAGE |
06808b082 hugetlb: derive h... |
1399 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1400 |
.procname = "nr_hugepages", |
e5ff21594 hugetlb: multiple... |
1401 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
1402 1403 |
.maxlen = sizeof(unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1404 |
.proc_handler = hugetlb_sysctl_handler, |
06808b082 hugetlb: derive h... |
1405 1406 1407 1408 1409 1410 1411 1412 |
}, #ifdef CONFIG_NUMA { .procname = "nr_hugepages_mempolicy", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = &hugetlb_mempolicy_sysctl_handler, |
06808b082 hugetlb: derive h... |
1413 |
}, |
4518085e1 mm, sysctl: make ... |
1414 1415 1416 1417 1418 1419 |
{ .procname = "numa_stat", .data = &sysctl_vm_numa_stat, .maxlen = sizeof(int), .mode = 0644, .proc_handler = sysctl_vm_numa_stat_handler, |
eec4844fa proc/sysctl: add ... |
1420 1421 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
4518085e1 mm, sysctl: make ... |
1422 |
}, |
06808b082 hugetlb: derive h... |
1423 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
1424 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1425 1426 1427 1428 |
.procname = "hugetlb_shm_group", .data = &sysctl_hugetlb_shm_group, .maxlen = sizeof(gid_t), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1429 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1430 |
}, |
54f9f80d6 hugetlb: Add huge... |
1431 |
{ |
d1c3fb1f8 hugetlb: introduc... |
1432 |
.procname = "nr_overcommit_hugepages", |
e5ff21594 hugetlb: multiple... |
1433 1434 |
.data = NULL, .maxlen = sizeof(unsigned long), |
d1c3fb1f8 hugetlb: introduc... |
1435 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1436 |
.proc_handler = hugetlb_overcommit_handler, |
d1c3fb1f8 hugetlb: introduc... |
1437 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1438 1439 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1440 1441 1442 1443 |
.procname = "lowmem_reserve_ratio", .data = &sysctl_lowmem_reserve_ratio, .maxlen = sizeof(sysctl_lowmem_reserve_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1444 |
.proc_handler = lowmem_reserve_ratio_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1445 1446 |
}, { |
9d0243bca [PATCH] drop-page... |
1447 1448 1449 |
.procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), |
ead87f116 kernel: sysctl: m... |
1450 |
.mode = 0200, |
9d0243bca [PATCH] drop-page... |
1451 |
.proc_handler = drop_caches_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1452 |
.extra1 = SYSCTL_ONE, |
5509a5d27 drop_caches: add ... |
1453 |
.extra2 = &four, |
9d0243bca [PATCH] drop-page... |
1454 |
}, |
76ab0f530 mm: compaction: a... |
1455 1456 1457 1458 1459 1460 1461 1462 |
#ifdef CONFIG_COMPACTION { .procname = "compact_memory", .data = &sysctl_compact_memory, .maxlen = sizeof(int), .mode = 0200, .proc_handler = sysctl_compaction_handler, }, |
5e7719058 mm: compaction: a... |
1463 1464 1465 1466 1467 |
{ .procname = "extfrag_threshold", .data = &sysctl_extfrag_threshold, .maxlen = sizeof(int), .mode = 0644, |
6b7e5cad6 mm: remove sysctl... |
1468 |
.proc_handler = proc_dointvec_minmax, |
5e7719058 mm: compaction: a... |
1469 1470 1471 |
.extra1 = &min_extfrag_threshold, .extra2 = &max_extfrag_threshold, }, |
5bbe3547a mm: allow compact... |
1472 1473 1474 1475 1476 1477 |
{ .procname = "compact_unevictable_allowed", .data = &sysctl_compact_unevictable_allowed, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, |
eec4844fa proc/sysctl: add ... |
1478 1479 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
5bbe3547a mm: allow compact... |
1480 |
}, |
5e7719058 mm: compaction: a... |
1481 |
|
76ab0f530 mm: compaction: a... |
1482 |
#endif /* CONFIG_COMPACTION */ |
9d0243bca [PATCH] drop-page... |
1483 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1484 1485 1486 1487 |
.procname = "min_free_kbytes", .data = &min_free_kbytes, .maxlen = sizeof(min_free_kbytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1488 |
.proc_handler = min_free_kbytes_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1489 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1490 |
}, |
8ad4b1fb8 [PATCH] Make high... |
1491 |
{ |
1c30844d2 mm: reclaim small... |
1492 1493 1494 1495 1496 |
.procname = "watermark_boost_factor", .data = &watermark_boost_factor, .maxlen = sizeof(watermark_boost_factor), .mode = 0644, .proc_handler = watermark_boost_factor_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1497 |
.extra1 = SYSCTL_ZERO, |
1c30844d2 mm: reclaim small... |
1498 1499 |
}, { |
795ae7a0d mm: scale kswapd ... |
1500 1501 1502 1503 1504 |
.procname = "watermark_scale_factor", .data = &watermark_scale_factor, .maxlen = sizeof(watermark_scale_factor), .mode = 0644, .proc_handler = watermark_scale_factor_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1505 |
.extra1 = SYSCTL_ONE, |
795ae7a0d mm: scale kswapd ... |
1506 1507 1508 |
.extra2 = &one_thousand, }, { |
8ad4b1fb8 [PATCH] Make high... |
1509 1510 1511 1512 |
.procname = "percpu_pagelist_fraction", .data = &percpu_pagelist_fraction, .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1513 |
.proc_handler = percpu_pagelist_fraction_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1514 |
.extra1 = SYSCTL_ZERO, |
8ad4b1fb8 [PATCH] Make high... |
1515 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1516 1517 |
#ifdef CONFIG_MMU { |
1da177e4c Linux-2.6.12-rc2 |
1518 1519 1520 1521 |
.procname = "max_map_count", .data = &sysctl_max_map_count, .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, |
3e26120cc kernel/sysctl.c: ... |
1522 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1523 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1524 |
}, |
dd8632a12 NOMMU: Make mmap ... |
1525 1526 |
#else { |
dd8632a12 NOMMU: Make mmap ... |
1527 1528 1529 1530 |
.procname = "nr_trim_pages", .data = &sysctl_nr_trim_pages, .maxlen = sizeof(sysctl_nr_trim_pages), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1531 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1532 |
.extra1 = SYSCTL_ZERO, |
dd8632a12 NOMMU: Make mmap ... |
1533 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1534 1535 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1536 1537 1538 1539 |
.procname = "laptop_mode", .data = &laptop_mode, .maxlen = sizeof(laptop_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1540 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
1541 1542 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1543 1544 1545 1546 |
.procname = "block_dump", .data = &block_dump, .maxlen = sizeof(block_dump), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1547 |
.proc_handler = proc_dointvec, |
eec4844fa proc/sysctl: add ... |
1548 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1549 1550 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1551 1552 1553 1554 |
.procname = "vfs_cache_pressure", .data = &sysctl_vfs_cache_pressure, .maxlen = sizeof(sysctl_vfs_cache_pressure), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1555 |
.proc_handler = proc_dointvec, |
eec4844fa proc/sysctl: add ... |
1556 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1557 |
}, |
67f3977f8 arm64, mm: move g... |
1558 1559 |
#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \ defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT) |
1da177e4c Linux-2.6.12-rc2 |
1560 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1561 1562 1563 1564 |
.procname = "legacy_va_layout", .data = &sysctl_legacy_va_layout, .maxlen = sizeof(sysctl_legacy_va_layout), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1565 |
.proc_handler = proc_dointvec, |
eec4844fa proc/sysctl: add ... |
1566 |
.extra1 = SYSCTL_ZERO, |
1da177e4c Linux-2.6.12-rc2 |
1567 1568 |
}, #endif |
1743660b9 [PATCH] Zone recl... |
1569 1570 |
#ifdef CONFIG_NUMA { |
1743660b9 [PATCH] Zone recl... |
1571 |
.procname = "zone_reclaim_mode", |
a5f5f91da mm: convert zone_... |
1572 1573 |
.data = &node_reclaim_mode, .maxlen = sizeof(node_reclaim_mode), |
1743660b9 [PATCH] Zone recl... |
1574 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1575 |
.proc_handler = proc_dointvec, |
eec4844fa proc/sysctl: add ... |
1576 |
.extra1 = SYSCTL_ZERO, |
1743660b9 [PATCH] Zone recl... |
1577 |
}, |
9614634fe [PATCH] ZVC/zone_... |
1578 |
{ |
9614634fe [PATCH] ZVC/zone_... |
1579 1580 1581 1582 |
.procname = "min_unmapped_ratio", .data = &sysctl_min_unmapped_ratio, .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1583 |
.proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1584 |
.extra1 = SYSCTL_ZERO, |
9614634fe [PATCH] ZVC/zone_... |
1585 1586 |
.extra2 = &one_hundred, }, |
0ff38490c [PATCH] zone_recl... |
1587 |
{ |
0ff38490c [PATCH] zone_recl... |
1588 1589 1590 1591 |
.procname = "min_slab_ratio", .data = &sysctl_min_slab_ratio, .maxlen = sizeof(sysctl_min_slab_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1592 |
.proc_handler = sysctl_min_slab_ratio_sysctl_handler, |
eec4844fa proc/sysctl: add ... |
1593 |
.extra1 = SYSCTL_ZERO, |
0ff38490c [PATCH] zone_recl... |
1594 1595 |
.extra2 = &one_hundred, }, |
1743660b9 [PATCH] Zone recl... |
1596 |
#endif |
77461ab33 Make vm statistic... |
1597 1598 |
#ifdef CONFIG_SMP { |
77461ab33 Make vm statistic... |
1599 1600 1601 1602 |
.procname = "stat_interval", .data = &sysctl_stat_interval, .maxlen = sizeof(sysctl_stat_interval), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1603 |
.proc_handler = proc_dointvec_jiffies, |
77461ab33 Make vm statistic... |
1604 |
}, |
52b6f46bc mm: /proc/sys/vm/... |
1605 1606 1607 1608 1609 1610 1611 |
{ .procname = "stat_refresh", .data = NULL, .maxlen = 0, .mode = 0600, .proc_handler = vmstat_refresh, }, |
77461ab33 Make vm statistic... |
1612 |
#endif |
6e1415467 NOMMU: Optimise a... |
1613 |
#ifdef CONFIG_MMU |
ed0321895 security: Protect... |
1614 |
{ |
ed0321895 security: Protect... |
1615 |
.procname = "mmap_min_addr", |
788084aba Security/SELinux:... |
1616 1617 |
.data = &dac_mmap_min_addr, .maxlen = sizeof(unsigned long), |
ed0321895 security: Protect... |
1618 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1619 |
.proc_handler = mmap_min_addr_handler, |
ed0321895 security: Protect... |
1620 |
}, |
6e1415467 NOMMU: Optimise a... |
1621 |
#endif |
f0c0b2b80 change zonelist o... |
1622 1623 |
#ifdef CONFIG_NUMA { |
f0c0b2b80 change zonelist o... |
1624 1625 1626 1627 |
.procname = "numa_zonelist_order", .data = &numa_zonelist_order, .maxlen = NUMA_ZONELIST_ORDER_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1628 |
.proc_handler = numa_zonelist_order_handler, |
f0c0b2b80 change zonelist o... |
1629 1630 |
}, #endif |
2b8232ce5 minimal build fix... |
1631 |
#if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ |
5c36e6578 sysctl: Support v... |
1632 |
(defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) |
e6e5494cb [PATCH] vdso: ran... |
1633 |
{ |
e6e5494cb [PATCH] vdso: ran... |
1634 |
.procname = "vdso_enabled", |
3d7ee969b x86, vdso: Clean ... |
1635 1636 1637 1638 |
#ifdef CONFIG_X86_32 .data = &vdso32_enabled, .maxlen = sizeof(vdso32_enabled), #else |
e6e5494cb [PATCH] vdso: ran... |
1639 1640 |
.data = &vdso_enabled, .maxlen = sizeof(vdso_enabled), |
3d7ee969b x86, vdso: Clean ... |
1641 |
#endif |
e6e5494cb [PATCH] vdso: ran... |
1642 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1643 |
.proc_handler = proc_dointvec, |
eec4844fa proc/sysctl: add ... |
1644 |
.extra1 = SYSCTL_ZERO, |
e6e5494cb [PATCH] vdso: ran... |
1645 1646 |
}, #endif |
195cf453d mm/page-writeback... |
1647 1648 |
#ifdef CONFIG_HIGHMEM { |
195cf453d mm/page-writeback... |
1649 1650 1651 1652 |
.procname = "highmem_is_dirtyable", .data = &vm_highmem_is_dirtyable, .maxlen = sizeof(vm_highmem_is_dirtyable), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1653 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1654 1655 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
195cf453d mm/page-writeback... |
1656 1657 |
}, #endif |
6a46079cf HWPOISON: The hig... |
1658 1659 |
#ifdef CONFIG_MEMORY_FAILURE { |
6a46079cf HWPOISON: The hig... |
1660 1661 1662 1663 |
.procname = "memory_failure_early_kill", .data = &sysctl_memory_failure_early_kill, .maxlen = sizeof(sysctl_memory_failure_early_kill), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1664 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1665 1666 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
6a46079cf HWPOISON: The hig... |
1667 1668 |
}, { |
6a46079cf HWPOISON: The hig... |
1669 1670 1671 1672 |
.procname = "memory_failure_recovery", .data = &sysctl_memory_failure_recovery, .maxlen = sizeof(sysctl_memory_failure_recovery), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1673 |
.proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1674 1675 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
6a46079cf HWPOISON: The hig... |
1676 1677 |
}, #endif |
c9b1d0981 mm: limit growth ... |
1678 1679 1680 1681 1682 1683 1684 |
{ .procname = "user_reserve_kbytes", .data = &sysctl_user_reserve_kbytes, .maxlen = sizeof(sysctl_user_reserve_kbytes), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, |
4eeab4f55 mm: replace hardc... |
1685 1686 1687 1688 1689 1690 1691 |
{ .procname = "admin_reserve_kbytes", .data = &sysctl_admin_reserve_kbytes, .maxlen = sizeof(sysctl_admin_reserve_kbytes), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, |
d07e22597 mm: mmap: add new... |
1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 |
#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS { .procname = "mmap_rnd_bits", .data = &mmap_rnd_bits, .maxlen = sizeof(mmap_rnd_bits), .mode = 0600, .proc_handler = proc_dointvec_minmax, .extra1 = (void *)&mmap_rnd_bits_min, .extra2 = (void *)&mmap_rnd_bits_max, }, #endif #ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS { .procname = "mmap_rnd_compat_bits", .data = &mmap_rnd_compat_bits, .maxlen = sizeof(mmap_rnd_compat_bits), .mode = 0600, .proc_handler = proc_dointvec_minmax, .extra1 = (void *)&mmap_rnd_compat_bits_min, .extra2 = (void *)&mmap_rnd_compat_bits_max, }, #endif |
cefdca0a8 userfaultfd/sysct... |
1714 1715 1716 1717 1718 1719 1720 |
#ifdef CONFIG_USERFAULTFD { .procname = "unprivileged_userfaultfd", .data = &sysctl_unprivileged_userfaultfd, .maxlen = sizeof(sysctl_unprivileged_userfaultfd), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1721 1722 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
cefdca0a8 userfaultfd/sysct... |
1723 1724 |
}, #endif |
6fce56ec9 sysctl: Remove re... |
1725 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1726 |
}; |
d8217f076 sysctl core: Stop... |
1727 |
static struct ctl_table fs_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1728 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1729 1730 |
.procname = "inode-nr", .data = &inodes_stat, |
3942c07cc fs: bump inode an... |
1731 |
.maxlen = 2*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1732 |
.mode = 0444, |
cffbc8aa3 fs: Convert nr_in... |
1733 |
.proc_handler = proc_nr_inodes, |
1da177e4c Linux-2.6.12-rc2 |
1734 1735 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1736 1737 |
.procname = "inode-state", .data = &inodes_stat, |
3942c07cc fs: bump inode an... |
1738 |
.maxlen = 7*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1739 |
.mode = 0444, |
cffbc8aa3 fs: Convert nr_in... |
1740 |
.proc_handler = proc_nr_inodes, |
1da177e4c Linux-2.6.12-rc2 |
1741 1742 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1743 1744 |
.procname = "file-nr", .data = &files_stat, |
518de9b39 fs: allow for mor... |
1745 |
.maxlen = sizeof(files_stat), |
1da177e4c Linux-2.6.12-rc2 |
1746 |
.mode = 0444, |
6d4561110 sysctl: Drop & in... |
1747 |
.proc_handler = proc_nr_files, |
1da177e4c Linux-2.6.12-rc2 |
1748 1749 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1750 1751 |
.procname = "file-max", .data = &files_stat.max_files, |
518de9b39 fs: allow for mor... |
1752 |
.maxlen = sizeof(files_stat.max_files), |
1da177e4c Linux-2.6.12-rc2 |
1753 |
.mode = 0644, |
518de9b39 fs: allow for mor... |
1754 |
.proc_handler = proc_doulongvec_minmax, |
9002b2146 kernel/sysctl.c: ... |
1755 |
.extra1 = &zero_ul, |
32a5ad9c2 sysctl: handle ov... |
1756 |
.extra2 = &long_max, |
1da177e4c Linux-2.6.12-rc2 |
1757 1758 |
}, { |
9cfe015aa get rid of NR_OPE... |
1759 1760 |
.procname = "nr_open", .data = &sysctl_nr_open, |
9b80a184e fs/file: more uns... |
1761 |
.maxlen = sizeof(unsigned int), |
9cfe015aa get rid of NR_OPE... |
1762 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1763 |
.proc_handler = proc_dointvec_minmax, |
eceea0b3d [PATCH] avoid mul... |
1764 1765 |
.extra1 = &sysctl_nr_open_min, .extra2 = &sysctl_nr_open_max, |
9cfe015aa get rid of NR_OPE... |
1766 1767 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1768 1769 |
.procname = "dentry-state", .data = &dentry_stat, |
3942c07cc fs: bump inode an... |
1770 |
.maxlen = 6*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1771 |
.mode = 0444, |
312d3ca85 fs: use percpu co... |
1772 |
.proc_handler = proc_nr_dentry, |
1da177e4c Linux-2.6.12-rc2 |
1773 1774 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1775 1776 1777 1778 |
.procname = "overflowuid", .data = &fs_overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1779 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1780 1781 1782 1783 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
1784 1785 1786 1787 |
.procname = "overflowgid", .data = &fs_overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1788 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1789 1790 1791 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
bfcd17a6c Configure out fil... |
1792 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1793 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1794 1795 1796 1797 |
.procname = "leases-enable", .data = &leases_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1798 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1799 |
}, |
bfcd17a6c Configure out fil... |
1800 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
1801 1802 |
#ifdef CONFIG_DNOTIFY { |
1da177e4c Linux-2.6.12-rc2 |
1803 1804 1805 1806 |
.procname = "dir-notify-enable", .data = &dir_notify_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1807 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1808 1809 1810 |
}, #endif #ifdef CONFIG_MMU |
bfcd17a6c Configure out fil... |
1811 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1812 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1813 1814 1815 1816 |
.procname = "lease-break-time", .data = &lease_break_time, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1817 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1818 |
}, |
bfcd17a6c Configure out fil... |
1819 |
#endif |
ebf3f09c6 Configure out AIO... |
1820 |
#ifdef CONFIG_AIO |
1da177e4c Linux-2.6.12-rc2 |
1821 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1822 1823 1824 1825 |
.procname = "aio-nr", .data = &aio_nr, .maxlen = sizeof(aio_nr), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1826 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1827 1828 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1829 1830 1831 1832 |
.procname = "aio-max-nr", .data = &aio_max_nr, .maxlen = sizeof(aio_max_nr), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1833 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1834 |
}, |
ebf3f09c6 Configure out AIO... |
1835 |
#endif /* CONFIG_AIO */ |
2d9048e20 [PATCH] inotify (... |
1836 |
#ifdef CONFIG_INOTIFY_USER |
0399cb08c [PATCH] inotify: ... |
1837 |
{ |
0399cb08c [PATCH] inotify: ... |
1838 1839 1840 1841 1842 |
.procname = "inotify", .mode = 0555, .child = inotify_table, }, #endif |
7ef9964e6 epoll: introduce ... |
1843 1844 1845 1846 1847 1848 1849 |
#ifdef CONFIG_EPOLL { .procname = "epoll", .mode = 0555, .child = epoll_table, }, #endif |
1da177e4c Linux-2.6.12-rc2 |
1850 |
#endif |
d6e711448 [PATCH] setuid co... |
1851 |
{ |
800179c9b fs: add link rest... |
1852 1853 1854 1855 1856 |
.procname = "protected_symlinks", .data = &sysctl_protected_symlinks, .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1857 1858 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
800179c9b fs: add link rest... |
1859 1860 1861 1862 1863 1864 1865 |
}, { .procname = "protected_hardlinks", .data = &sysctl_protected_hardlinks, .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1866 1867 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
800179c9b fs: add link rest... |
1868 1869 |
}, { |
30aba6656 namei: allow rest... |
1870 1871 1872 1873 1874 |
.procname = "protected_fifos", .data = &sysctl_protected_fifos, .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1875 |
.extra1 = SYSCTL_ZERO, |
30aba6656 namei: allow rest... |
1876 1877 1878 1879 1880 1881 1882 1883 |
.extra2 = &two, }, { .procname = "protected_regular", .data = &sysctl_protected_regular, .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1884 |
.extra1 = SYSCTL_ZERO, |
30aba6656 namei: allow rest... |
1885 1886 1887 |
.extra2 = &two, }, { |
d6e711448 [PATCH] setuid co... |
1888 1889 1890 1891 |
.procname = "suid_dumpable", .data = &suid_dumpable, .maxlen = sizeof(int), .mode = 0644, |
54b501992 coredump: warn ab... |
1892 |
.proc_handler = proc_dointvec_minmax_coredump, |
eec4844fa proc/sysctl: add ... |
1893 |
.extra1 = SYSCTL_ZERO, |
8e654fba4 sysctl: fix suid_... |
1894 |
.extra2 = &two, |
d6e711448 [PATCH] setuid co... |
1895 |
}, |
2abc26fc6 [PATCH] sysctl: c... |
1896 1897 |
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) { |
2abc26fc6 [PATCH] sysctl: c... |
1898 1899 |
.procname = "binfmt_misc", .mode = 0555, |
f9bd6733d sysctl: Allow cre... |
1900 |
.child = sysctl_mount_point, |
2abc26fc6 [PATCH] sysctl: c... |
1901 1902 |
}, #endif |
b492e95be pipe: set lower a... |
1903 |
{ |
ff9da691c pipe: change /pro... |
1904 1905 |
.procname = "pipe-max-size", .data = &pipe_max_size, |
98159d977 pipe: match pipe_... |
1906 |
.maxlen = sizeof(pipe_max_size), |
b492e95be pipe: set lower a... |
1907 |
.mode = 0644, |
319e0a21b pipe, sysctl: rem... |
1908 |
.proc_handler = proc_dopipe_max_size, |
b492e95be pipe: set lower a... |
1909 |
}, |
759c01142 pipe: limit the p... |
1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 |
{ .procname = "pipe-user-pages-hard", .data = &pipe_user_pages_hard, .maxlen = sizeof(pipe_user_pages_hard), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, { .procname = "pipe-user-pages-soft", .data = &pipe_user_pages_soft, .maxlen = sizeof(pipe_user_pages_soft), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, |
d29216842 mnt: Add a per mo... |
1924 1925 1926 1927 1928 1929 |
{ .procname = "mount-max", .data = &sysctl_mount_max, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, |
eec4844fa proc/sysctl: add ... |
1930 |
.extra1 = SYSCTL_ONE, |
d29216842 mnt: Add a per mo... |
1931 |
}, |
6fce56ec9 sysctl: Remove re... |
1932 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1933 |
}; |
d8217f076 sysctl core: Stop... |
1934 |
static struct ctl_table debug_table[] = { |
7ac57a89d Kconfig: clean up... |
1935 |
#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE |
abd4f7505 x86: i386-show-un... |
1936 |
{ |
abd4f7505 x86: i386-show-un... |
1937 1938 1939 1940 1941 1942 1943 |
.procname = "exception-trace", .data = &show_unhandled_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec }, #endif |
b2be84df9 kprobes: Jump opt... |
1944 1945 1946 1947 1948 1949 1950 |
#if defined(CONFIG_OPTPROBES) { .procname = "kprobes-optimization", .data = &sysctl_kprobes_optimization, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_kprobes_optimization_handler, |
eec4844fa proc/sysctl: add ... |
1951 1952 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
b2be84df9 kprobes: Jump opt... |
1953 1954 |
}, #endif |
6fce56ec9 sysctl: Remove re... |
1955 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1956 |
}; |
d8217f076 sysctl core: Stop... |
1957 |
static struct ctl_table dev_table[] = { |
6fce56ec9 sysctl: Remove re... |
1958 |
{ } |
0eeca2830 [PATCH] inotify |
1959 |
}; |
1da177e4c Linux-2.6.12-rc2 |
1960 |
|
de4e83bd6 sysctl: Register ... |
1961 |
int __init sysctl_init(void) |
d912b0cc1 [PATCH] sysctl: a... |
1962 |
{ |
fd4b616b0 sysctl: suppress ... |
1963 1964 1965 1966 |
struct ctl_table_header *hdr; hdr = register_sysctl_table(sysctl_base_table); kmemleak_not_leak(hdr); |
d912b0cc1 [PATCH] sysctl: a... |
1967 1968 |
return 0; } |
b89a81712 [PATCH] sysctl: A... |
1969 |
#endif /* CONFIG_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
1970 1971 1972 |
/* * /proc/sys support */ |
b89a81712 [PATCH] sysctl: A... |
1973 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
1974 |
|
f88083005 sysctl: clean up ... |
1975 1976 |
static int _proc_do_string(char *data, int maxlen, int write, char __user *buffer, |
b1ba4ddde [PATCH] make kern... |
1977 |
size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
1978 1979 1980 1981 |
{ size_t len; char __user *p; char c; |
8d0608771 [PATCH] _proc_do_... |
1982 1983 |
if (!data || !maxlen || !*lenp) { |
1da177e4c Linux-2.6.12-rc2 |
1984 1985 1986 |
*lenp = 0; return 0; } |
8d0608771 [PATCH] _proc_do_... |
1987 |
|
1da177e4c Linux-2.6.12-rc2 |
1988 |
if (write) { |
f4aacea2f sysctl: allow for... |
1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 |
if (sysctl_writes_strict == SYSCTL_WRITES_STRICT) { /* Only continue writes not past the end of buffer. */ len = strlen(data); if (len > maxlen - 1) len = maxlen - 1; if (*ppos > len) return 0; len = *ppos; } else { /* Start writing from beginning of buffer. */ len = 0; } |
2ca9bb456 sysctl: refactor ... |
2002 |
*ppos += *lenp; |
1da177e4c Linux-2.6.12-rc2 |
2003 |
p = buffer; |
2ca9bb456 sysctl: refactor ... |
2004 |
while ((p - buffer) < *lenp && len < maxlen - 1) { |
1da177e4c Linux-2.6.12-rc2 |
2005 2006 2007 2008 2009 |
if (get_user(c, p++)) return -EFAULT; if (c == 0 || c == ' ') break; |
2ca9bb456 sysctl: refactor ... |
2010 |
data[len++] = c; |
1da177e4c Linux-2.6.12-rc2 |
2011 |
} |
f88083005 sysctl: clean up ... |
2012 |
data[len] = 0; |
1da177e4c Linux-2.6.12-rc2 |
2013 |
} else { |
f5dd3d6fa [PATCH] proc: sys... |
2014 2015 2016 |
len = strlen(data); if (len > maxlen) len = maxlen; |
8d0608771 [PATCH] _proc_do_... |
2017 2018 2019 2020 2021 2022 2023 2024 |
if (*ppos > len) { *lenp = 0; return 0; } data += *ppos; len -= *ppos; |
1da177e4c Linux-2.6.12-rc2 |
2025 2026 2027 |
if (len > *lenp) len = *lenp; if (len) |
f88083005 sysctl: clean up ... |
2028 |
if (copy_to_user(buffer, data, len)) |
1da177e4c Linux-2.6.12-rc2 |
2029 2030 |
return -EFAULT; if (len < *lenp) { |
f88083005 sysctl: clean up ... |
2031 2032 |
if (put_user(' ', buffer + len)) |
1da177e4c Linux-2.6.12-rc2 |
2033 2034 2035 2036 2037 2038 2039 2040 |
return -EFAULT; len++; } *lenp = len; *ppos += len; } return 0; } |
f4aacea2f sysctl: allow for... |
2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 |
static void warn_sysctl_write(struct ctl_table *table) { pr_warn_once("%s wrote to %s when file position was not 0! " "This will not be supported in the future. To silence this " "warning, set kernel.sysctl_writes_strict = -1 ", current->comm, table->procname); } |
f5dd3d6fa [PATCH] proc: sys... |
2051 |
/** |
5f733e8a2 kernel/sysctl.c: ... |
2052 |
* proc_first_pos_non_zero_ignore - check if first position is allowed |
d383d4847 sysctl: fold sysc... |
2053 2054 2055 2056 2057 |
* @ppos: file position * @table: the sysctl table * * Returns true if the first position is non-zero and the sysctl_writes_strict * mode indicates this is not allowed for numeric input types. String proc |
5f733e8a2 kernel/sysctl.c: ... |
2058 |
* handlers can ignore the return value. |
d383d4847 sysctl: fold sysc... |
2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 |
*/ static bool proc_first_pos_non_zero_ignore(loff_t *ppos, struct ctl_table *table) { if (!*ppos) return false; switch (sysctl_writes_strict) { case SYSCTL_WRITES_STRICT: return true; case SYSCTL_WRITES_WARN: warn_sysctl_write(table); return false; default: return false; } } /** |
f5dd3d6fa [PATCH] proc: sys... |
2078 2079 2080 |
* proc_dostring - read a string sysctl * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
f5dd3d6fa [PATCH] proc: sys... |
2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 |
* @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes a string from/to the user buffer. If the kernel * buffer provided is not large enough to hold the string, the * string is truncated. The copied string is %NULL-terminated. * If the string is being read by the user process, it is copied * and a newline ' ' is added. It is truncated if the buffer is * not large enough. * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
2095 |
int proc_dostring(struct ctl_table *table, int write, |
f5dd3d6fa [PATCH] proc: sys... |
2096 2097 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
d383d4847 sysctl: fold sysc... |
2098 2099 |
if (write) proc_first_pos_non_zero_ignore(ppos, table); |
f4aacea2f sysctl: allow for... |
2100 |
|
f88083005 sysctl: clean up ... |
2101 2102 |
return _proc_do_string((char *)(table->data), table->maxlen, write, (char __user *)buffer, lenp, ppos); |
f5dd3d6fa [PATCH] proc: sys... |
2103 |
} |
00b7c3395 sysctl: refactor ... |
2104 2105 2106 2107 2108 2109 2110 2111 |
static size_t proc_skip_spaces(char **buf) { size_t ret; char *tmp = skip_spaces(*buf); ret = tmp - *buf; *buf = tmp; return ret; } |
9f977fb7a sysctl: add proc_... |
2112 2113 2114 2115 2116 2117 2118 2119 2120 |
static void proc_skip_char(char **buf, size_t *size, const char v) { while (*size) { if (**buf != v) break; (*size)--; (*buf)++; } } |
7f2923c4f sysctl: handle ov... |
2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 |
/** * strtoul_lenient - parse an ASCII formatted integer from a buffer and only * fail on overflow * * @cp: kernel buffer containing the string to parse * @endp: pointer to store the trailing characters * @base: the base to use * @res: where the parsed integer will be stored * * In case of success 0 is returned and @res will contain the parsed integer, * @endp will hold any trailing characters. * This function will fail the parse on overflow. If there wasn't an overflow * the function will defer the decision what characters count as invalid to the * caller. */ static int strtoul_lenient(const char *cp, char **endp, unsigned int base, unsigned long *res) { unsigned long long result; unsigned int rv; cp = _parse_integer_fixup_radix(cp, &base); rv = _parse_integer(cp, base, &result); if ((rv & KSTRTOX_OVERFLOW) || (result != (unsigned long)result)) return -ERANGE; cp += rv; if (endp) *endp = (char *)cp; *res = (unsigned long)result; return 0; } |
00b7c3395 sysctl: refactor ... |
2155 2156 |
#define TMPBUFLEN 22 /** |
0fc377bd6 sysctl: fix kerne... |
2157 |
* proc_get_long - reads an ASCII formatted integer from a user buffer |
00b7c3395 sysctl: refactor ... |
2158 |
* |
0fc377bd6 sysctl: fix kerne... |
2159 2160 2161 2162 2163 2164 2165 |
* @buf: a kernel buffer * @size: size of the kernel buffer * @val: this is where the number will be stored * @neg: set to %TRUE if number is negative * @perm_tr: a vector which contains the allowed trailers * @perm_tr_len: size of the perm_tr vector * @tr: pointer to store the trailer character |
00b7c3395 sysctl: refactor ... |
2166 |
* |
0fc377bd6 sysctl: fix kerne... |
2167 2168 2169 2170 |
* In case of success %0 is returned and @buf and @size are updated with * the amount of bytes read. If @tr is non-NULL and a trailing * character exists (size is non-zero after returning from this * function), @tr is updated with the trailing character. |
00b7c3395 sysctl: refactor ... |
2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 |
*/ static int proc_get_long(char **buf, size_t *size, unsigned long *val, bool *neg, const char *perm_tr, unsigned perm_tr_len, char *tr) { int len; char *p, tmp[TMPBUFLEN]; if (!*size) return -EINVAL; len = *size; if (len > TMPBUFLEN - 1) len = TMPBUFLEN - 1; memcpy(tmp, *buf, len); tmp[len] = 0; p = tmp; if (*p == '-' && *size > 1) { *neg = true; p++; } else *neg = false; if (!isdigit(*p)) return -EINVAL; |
7f2923c4f sysctl: handle ov... |
2197 2198 |
if (strtoul_lenient(p, &p, 0, val)) return -EINVAL; |
00b7c3395 sysctl: refactor ... |
2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 |
len = p - tmp; /* We don't know if the next char is whitespace thus we may accept * invalid integers (e.g. 1234...a) or two integers instead of one * (e.g. 123...1). So lets not allow such large numbers. */ if (len == TMPBUFLEN - 1) return -EINVAL; if (len < *size && perm_tr_len && !memchr(perm_tr, *p, perm_tr_len)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2210 |
|
00b7c3395 sysctl: refactor ... |
2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 |
if (tr && (len < *size)) *tr = *p; *buf += len; *size -= len; return 0; } /** |
0fc377bd6 sysctl: fix kerne... |
2221 |
* proc_put_long - converts an integer to a decimal ASCII formatted string |
00b7c3395 sysctl: refactor ... |
2222 |
* |
0fc377bd6 sysctl: fix kerne... |
2223 2224 2225 2226 |
* @buf: the user buffer * @size: the size of the user buffer * @val: the integer to be converted * @neg: sign of the number, %TRUE for negative |
00b7c3395 sysctl: refactor ... |
2227 |
* |
0fc377bd6 sysctl: fix kerne... |
2228 2229 |
* In case of success %0 is returned and @buf and @size are updated with * the amount of bytes written. |
00b7c3395 sysctl: refactor ... |
2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 |
*/ static int proc_put_long(void __user **buf, size_t *size, unsigned long val, bool neg) { int len; char tmp[TMPBUFLEN], *p = tmp; sprintf(p, "%s%lu", neg ? "-" : "", val); len = strlen(tmp); if (len > *size) len = *size; if (copy_to_user(*buf, tmp, len)) return -EFAULT; *size -= len; *buf += len; return 0; } #undef TMPBUFLEN static int proc_put_char(void __user **buf, size_t *size, char c) { if (*size) { char __user **buffer = (char __user **)buf; if (put_user(c, *buffer)) return -EFAULT; (*size)--, (*buffer)++; *buf = *buffer; } return 0; } |
1da177e4c Linux-2.6.12-rc2 |
2260 |
|
00b7c3395 sysctl: refactor ... |
2261 |
static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2262 2263 2264 2265 |
int *valp, int write, void *data) { if (write) { |
230633d10 kernel/sysctl.c: ... |
2266 2267 2268 2269 2270 2271 2272 2273 2274 |
if (*negp) { if (*lvalp > (unsigned long) INT_MAX + 1) return -EINVAL; *valp = -*lvalp; } else { if (*lvalp > (unsigned long) INT_MAX) return -EINVAL; *valp = *lvalp; } |
1da177e4c Linux-2.6.12-rc2 |
2275 2276 2277 |
} else { int val = *valp; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2278 |
*negp = true; |
9a5bc726d sysctl: fix int -... |
2279 |
*lvalp = -(unsigned long)val; |
1da177e4c Linux-2.6.12-rc2 |
2280 |
} else { |
00b7c3395 sysctl: refactor ... |
2281 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2282 2283 2284 2285 2286 |
*lvalp = (unsigned long)val; } } return 0; } |
4f2fec00a sysctl: simplify ... |
2287 2288 2289 |
static int do_proc_douintvec_conv(unsigned long *lvalp, unsigned int *valp, int write, void *data) |
e7d316a02 sysctl: handle er... |
2290 2291 |
{ if (write) { |
4f2fec00a sysctl: simplify ... |
2292 |
if (*lvalp > UINT_MAX) |
e7d316a02 sysctl: handle er... |
2293 2294 2295 2296 2297 2298 2299 2300 |
return -EINVAL; *valp = *lvalp; } else { unsigned int val = *valp; *lvalp = (unsigned long)val; } return 0; } |
00b7c3395 sysctl: refactor ... |
2301 2302 |
static const char proc_wspace_sep[] = { ' ', '\t', ' ' }; |
d8217f076 sysctl core: Stop... |
2303 |
static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, |
8d65af789 sysctl: remove "s... |
2304 |
int write, void __user *buffer, |
fcfbd547b [PATCH] IPC names... |
2305 |
size_t *lenp, loff_t *ppos, |
00b7c3395 sysctl: refactor ... |
2306 |
int (*conv)(bool *negp, unsigned long *lvalp, int *valp, |
1da177e4c Linux-2.6.12-rc2 |
2307 2308 2309 |
int write, void *data), void *data) { |
00b7c3395 sysctl: refactor ... |
2310 |
int *i, vleft, first = 1, err = 0; |
00b7c3395 sysctl: refactor ... |
2311 |
size_t left; |
70f6cbb6f kernel/*: switch ... |
2312 |
char *kbuf = NULL, *p; |
1da177e4c Linux-2.6.12-rc2 |
2313 |
|
00b7c3395 sysctl: refactor ... |
2314 |
if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) { |
1da177e4c Linux-2.6.12-rc2 |
2315 2316 2317 2318 |
*lenp = 0; return 0; } |
fcfbd547b [PATCH] IPC names... |
2319 |
i = (int *) tbl_data; |
1da177e4c Linux-2.6.12-rc2 |
2320 2321 2322 2323 2324 |
vleft = table->maxlen / sizeof(*i); left = *lenp; if (!conv) conv = do_proc_dointvec_conv; |
00b7c3395 sysctl: refactor ... |
2325 |
if (write) { |
d383d4847 sysctl: fold sysc... |
2326 2327 |
if (proc_first_pos_non_zero_ignore(ppos, table)) goto out; |
f4aacea2f sysctl: allow for... |
2328 |
|
00b7c3395 sysctl: refactor ... |
2329 2330 |
if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; |
70f6cbb6f kernel/*: switch ... |
2331 2332 2333 |
p = kbuf = memdup_user_nul(buffer, left); if (IS_ERR(kbuf)) return PTR_ERR(kbuf); |
00b7c3395 sysctl: refactor ... |
2334 |
} |
1da177e4c Linux-2.6.12-rc2 |
2335 |
for (; left && vleft--; i++, first=0) { |
00b7c3395 sysctl: refactor ... |
2336 2337 |
unsigned long lval; bool neg; |
1da177e4c Linux-2.6.12-rc2 |
2338 |
|
00b7c3395 sysctl: refactor ... |
2339 |
if (write) { |
70f6cbb6f kernel/*: switch ... |
2340 |
left -= proc_skip_spaces(&p); |
1da177e4c Linux-2.6.12-rc2 |
2341 |
|
563b04671 proc_dointvec: wr... |
2342 2343 |
if (!left) break; |
70f6cbb6f kernel/*: switch ... |
2344 |
err = proc_get_long(&p, &left, &lval, &neg, |
00b7c3395 sysctl: refactor ... |
2345 2346 2347 |
proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err) |
1da177e4c Linux-2.6.12-rc2 |
2348 |
break; |
00b7c3395 sysctl: refactor ... |
2349 2350 |
if (conv(&neg, &lval, i, 1, data)) { err = -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2351 |
break; |
00b7c3395 sysctl: refactor ... |
2352 |
} |
1da177e4c Linux-2.6.12-rc2 |
2353 |
} else { |
00b7c3395 sysctl: refactor ... |
2354 2355 2356 2357 |
if (conv(&neg, &lval, i, 0, data)) { err = -EINVAL; break; } |
1da177e4c Linux-2.6.12-rc2 |
2358 |
if (!first) |
00b7c3395 sysctl: refactor ... |
2359 2360 2361 2362 2363 |
err = proc_put_char(&buffer, &left, '\t'); if (err) break; err = proc_put_long(&buffer, &left, lval, neg); if (err) |
1da177e4c Linux-2.6.12-rc2 |
2364 |
break; |
1da177e4c Linux-2.6.12-rc2 |
2365 2366 |
} } |
00b7c3395 sysctl: refactor ... |
2367 2368 2369 |
if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, ' '); |
563b04671 proc_dointvec: wr... |
2370 |
if (write && !err && left) |
70f6cbb6f kernel/*: switch ... |
2371 |
left -= proc_skip_spaces(&p); |
1da177e4c Linux-2.6.12-rc2 |
2372 |
if (write) { |
70f6cbb6f kernel/*: switch ... |
2373 |
kfree(kbuf); |
00b7c3395 sysctl: refactor ... |
2374 2375 |
if (first) return err ? : -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2376 |
} |
1da177e4c Linux-2.6.12-rc2 |
2377 |
*lenp -= left; |
f4aacea2f sysctl: allow for... |
2378 |
out: |
1da177e4c Linux-2.6.12-rc2 |
2379 |
*ppos += *lenp; |
00b7c3395 sysctl: refactor ... |
2380 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
2381 |
} |
8d65af789 sysctl: remove "s... |
2382 |
static int do_proc_dointvec(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2383 |
void __user *buffer, size_t *lenp, loff_t *ppos, |
00b7c3395 sysctl: refactor ... |
2384 |
int (*conv)(bool *negp, unsigned long *lvalp, int *valp, |
fcfbd547b [PATCH] IPC names... |
2385 2386 2387 |
int write, void *data), void *data) { |
8d65af789 sysctl: remove "s... |
2388 |
return __do_proc_dointvec(table->data, table, write, |
fcfbd547b [PATCH] IPC names... |
2389 2390 |
buffer, lenp, ppos, conv, data); } |
4f2fec00a sysctl: simplify ... |
2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 |
static int do_proc_douintvec_w(unsigned int *tbl_data, struct ctl_table *table, void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(unsigned long *lvalp, unsigned int *valp, int write, void *data), void *data) { unsigned long lval; int err = 0; size_t left; bool neg; char *kbuf = NULL, *p; left = *lenp; if (proc_first_pos_non_zero_ignore(ppos, table)) goto bail_early; if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; p = kbuf = memdup_user_nul(buffer, left); if (IS_ERR(kbuf)) return -EINVAL; left -= proc_skip_spaces(&p); if (!left) { err = -EINVAL; goto out_free; } err = proc_get_long(&p, &left, &lval, &neg, proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err || neg) { err = -EINVAL; goto out_free; } if (conv(&lval, tbl_data, 1, data)) { err = -EINVAL; goto out_free; } if (!err && left) left -= proc_skip_spaces(&p); out_free: kfree(kbuf); if (err) return -EINVAL; return 0; /* This is in keeping with old __do_proc_dointvec() */ bail_early: *ppos += *lenp; return err; } static int do_proc_douintvec_r(unsigned int *tbl_data, void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(unsigned long *lvalp, unsigned int *valp, int write, void *data), void *data) { unsigned long lval; int err = 0; size_t left; left = *lenp; if (conv(&lval, tbl_data, 0, data)) { err = -EINVAL; goto out; } err = proc_put_long(&buffer, &left, lval, false); if (err || !left) goto out; err = proc_put_char(&buffer, &left, ' '); out: *lenp -= left; *ppos += *lenp; return err; } static int __do_proc_douintvec(void *tbl_data, struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(unsigned long *lvalp, unsigned int *valp, int write, void *data), void *data) { unsigned int *i, vleft; if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) { *lenp = 0; return 0; } i = (unsigned int *) tbl_data; vleft = table->maxlen / sizeof(*i); /* * Arrays are not supported, keep this simple. *Do not* add * support for them. */ if (vleft != 1) { *lenp = 0; return -EINVAL; } if (!conv) conv = do_proc_douintvec_conv; if (write) return do_proc_douintvec_w(i, table, buffer, lenp, ppos, conv, data); return do_proc_douintvec_r(i, buffer, lenp, ppos, conv, data); } static int do_proc_douintvec(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(unsigned long *lvalp, unsigned int *valp, int write, void *data), void *data) { return __do_proc_douintvec(table->data, table, write, buffer, lenp, ppos, conv, data); } |
1da177e4c Linux-2.6.12-rc2 |
2531 2532 2533 2534 |
/** * proc_dointvec - read a vector of integers * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
2535 2536 2537 2538 2539 2540 2541 2542 2543 |
* @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned int) integer * values from/to the user buffer, treated as an ASCII string. * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
2544 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2545 2546 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
e7d316a02 sysctl: handle er... |
2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, NULL, NULL); } /** * proc_douintvec - read a vector of unsigned integers * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file * @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned int) unsigned integer * values from/to the user buffer, treated as an ASCII string. * * Returns 0 on success. */ int proc_douintvec(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { |
4f2fec00a sysctl: simplify ... |
2566 2567 |
return do_proc_douintvec(table, write, buffer, lenp, ppos, do_proc_douintvec_conv, NULL); |
1da177e4c Linux-2.6.12-rc2 |
2568 |
} |
34f5a3989 [PATCH] Add TAINT... |
2569 |
/* |
25ddbb18a Make the taint fl... |
2570 2571 |
* Taint values can only be increased * This means we can safely use a temporary. |
34f5a3989 [PATCH] Add TAINT... |
2572 |
*/ |
8d65af789 sysctl: remove "s... |
2573 |
static int proc_taint(struct ctl_table *table, int write, |
34f5a3989 [PATCH] Add TAINT... |
2574 2575 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
25ddbb18a Make the taint fl... |
2576 2577 2578 |
struct ctl_table t; unsigned long tmptaint = get_taint(); int err; |
34f5a3989 [PATCH] Add TAINT... |
2579 |
|
91fcd412e Allow reading tai... |
2580 |
if (write && !capable(CAP_SYS_ADMIN)) |
34f5a3989 [PATCH] Add TAINT... |
2581 |
return -EPERM; |
25ddbb18a Make the taint fl... |
2582 2583 |
t = *table; t.data = &tmptaint; |
8d65af789 sysctl: remove "s... |
2584 |
err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos); |
25ddbb18a Make the taint fl... |
2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 |
if (err < 0) return err; if (write) { /* * Poor man's atomic or. Not worth adding a primitive * to everyone's atomic.h for this */ int i; for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) { if ((tmptaint >> i) & 1) |
373d4d099 taint: add explic... |
2596 |
add_taint(i, LOCKDEP_STILL_OK); |
25ddbb18a Make the taint fl... |
2597 2598 2599 2600 |
} } return err; |
34f5a3989 [PATCH] Add TAINT... |
2601 |
} |
bfdc0b497 sysctl: restrict ... |
2602 |
#ifdef CONFIG_PRINTK |
620f6e8e8 sysctl: fix write... |
2603 |
static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, |
bfdc0b497 sysctl: restrict ... |
2604 2605 2606 2607 2608 2609 2610 2611 |
void __user *buffer, size_t *lenp, loff_t *ppos) { if (write && !capable(CAP_SYS_ADMIN)) return -EPERM; return proc_dointvec_minmax(table, write, buffer, lenp, ppos); } #endif |
24704f361 kernel/sysctl.c: ... |
2612 2613 2614 2615 2616 2617 2618 2619 2620 |
/** * struct do_proc_dointvec_minmax_conv_param - proc_dointvec_minmax() range checking structure * @min: pointer to minimum allowable value * @max: pointer to maximum allowable value * * The do_proc_dointvec_minmax_conv_param structure provides the * minimum and maximum values for doing range checking for those sysctl * parameters that use the proc_dointvec_minmax() handler. */ |
1da177e4c Linux-2.6.12-rc2 |
2621 2622 2623 2624 |
struct do_proc_dointvec_minmax_conv_param { int *min; int *max; }; |
00b7c3395 sysctl: refactor ... |
2625 2626 |
static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp, int *valp, |
1da177e4c Linux-2.6.12-rc2 |
2627 2628 |
int write, void *data) { |
2bc4fc60f kernel/sysctl.c: ... |
2629 |
int tmp, ret; |
1da177e4c Linux-2.6.12-rc2 |
2630 |
struct do_proc_dointvec_minmax_conv_param *param = data; |
2bc4fc60f kernel/sysctl.c: ... |
2631 2632 2633 2634 2635 2636 2637 2638 2639 |
/* * If writing, first do so via a temporary local int so we can * bounds-check it before touching *valp. */ int *ip = write ? &tmp : valp; ret = do_proc_dointvec_conv(negp, lvalp, ip, write, data); if (ret) return ret; |
1da177e4c Linux-2.6.12-rc2 |
2640 |
if (write) { |
2bc4fc60f kernel/sysctl.c: ... |
2641 2642 |
if ((param->min && *param->min > tmp) || (param->max && *param->max < tmp)) |
1da177e4c Linux-2.6.12-rc2 |
2643 |
return -EINVAL; |
2bc4fc60f kernel/sysctl.c: ... |
2644 |
*valp = tmp; |
1da177e4c Linux-2.6.12-rc2 |
2645 |
} |
2bc4fc60f kernel/sysctl.c: ... |
2646 |
|
1da177e4c Linux-2.6.12-rc2 |
2647 2648 2649 2650 2651 2652 2653 |
return 0; } /** * proc_dointvec_minmax - read a vector of integers with min/max values * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 |
* @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned int) integer * values from/to the user buffer, treated as an ASCII string. * * This routine will ensure the values are within the range specified by * table->extra1 (min) and table->extra2 (max). * |
24704f361 kernel/sysctl.c: ... |
2664 |
* Returns 0 on success or -EINVAL on write when the range check fails. |
1da177e4c Linux-2.6.12-rc2 |
2665 |
*/ |
8d65af789 sysctl: remove "s... |
2666 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2667 2668 2669 2670 2671 2672 |
void __user *buffer, size_t *lenp, loff_t *ppos) { struct do_proc_dointvec_minmax_conv_param param = { .min = (int *) table->extra1, .max = (int *) table->extra2, }; |
8d65af789 sysctl: remove "s... |
2673 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2674 2675 |
do_proc_dointvec_minmax_conv, ¶m); } |
24704f361 kernel/sysctl.c: ... |
2676 2677 2678 2679 2680 2681 2682 2683 2684 |
/** * struct do_proc_douintvec_minmax_conv_param - proc_douintvec_minmax() range checking structure * @min: pointer to minimum allowable value * @max: pointer to maximum allowable value * * The do_proc_douintvec_minmax_conv_param structure provides the * minimum and maximum values for doing range checking for those sysctl * parameters that use the proc_douintvec_minmax() handler. */ |
61d9b56a8 sysctl: add unsig... |
2685 2686 2687 2688 2689 2690 2691 2692 2693 |
struct do_proc_douintvec_minmax_conv_param { unsigned int *min; unsigned int *max; }; static int do_proc_douintvec_minmax_conv(unsigned long *lvalp, unsigned int *valp, int write, void *data) { |
2bc4fc60f kernel/sysctl.c: ... |
2694 2695 |
int ret; unsigned int tmp; |
61d9b56a8 sysctl: add unsig... |
2696 |
struct do_proc_douintvec_minmax_conv_param *param = data; |
2bc4fc60f kernel/sysctl.c: ... |
2697 2698 |
/* write via temporary local uint for bounds-checking */ unsigned int *up = write ? &tmp : valp; |
61d9b56a8 sysctl: add unsig... |
2699 |
|
2bc4fc60f kernel/sysctl.c: ... |
2700 2701 2702 |
ret = do_proc_douintvec_conv(lvalp, up, write, data); if (ret) return ret; |
fb910c42c sysctl: check for... |
2703 |
|
2bc4fc60f kernel/sysctl.c: ... |
2704 2705 2706 |
if (write) { if ((param->min && *param->min > tmp) || (param->max && *param->max < tmp)) |
61d9b56a8 sysctl: add unsig... |
2707 |
return -ERANGE; |
2bc4fc60f kernel/sysctl.c: ... |
2708 |
*valp = tmp; |
61d9b56a8 sysctl: add unsig... |
2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 |
} return 0; } /** * proc_douintvec_minmax - read a vector of unsigned ints with min/max values * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file * @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned int) unsigned integer * values from/to the user buffer, treated as an ASCII string. Negative * strings are not allowed. * * This routine will ensure the values are within the range specified by * table->extra1 (min) and table->extra2 (max). There is a final sanity * check for UINT_MAX to avoid having to support wrap around uses from * userspace. * |
24704f361 kernel/sysctl.c: ... |
2731 |
* Returns 0 on success or -ERANGE on write when the range check fails. |
61d9b56a8 sysctl: add unsig... |
2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 |
*/ int proc_douintvec_minmax(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { struct do_proc_douintvec_minmax_conv_param param = { .min = (unsigned int *) table->extra1, .max = (unsigned int *) table->extra2, }; return do_proc_douintvec(table, write, buffer, lenp, ppos, do_proc_douintvec_minmax_conv, ¶m); } |
7a8d18194 pipe: add proc_do... |
2743 2744 2745 2746 |
static int do_proc_dopipe_max_size_conv(unsigned long *lvalp, unsigned int *valp, int write, void *data) { |
7a8d18194 pipe: add proc_do... |
2747 |
if (write) { |
fb910c42c sysctl: check for... |
2748 |
unsigned int val; |
7a8d18194 pipe: add proc_do... |
2749 |
|
fb910c42c sysctl: check for... |
2750 |
val = round_pipe_size(*lvalp); |
7a8d18194 pipe: add proc_do... |
2751 2752 |
if (val == 0) return -EINVAL; |
7a8d18194 pipe: add proc_do... |
2753 2754 2755 2756 2757 2758 2759 2760 |
*valp = val; } else { unsigned int val = *valp; *lvalp = (unsigned long) val; } return 0; } |
319e0a21b pipe, sysctl: rem... |
2761 2762 |
static int proc_dopipe_max_size(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) |
7a8d18194 pipe: add proc_do... |
2763 |
{ |
7a8d18194 pipe: add proc_do... |
2764 |
return do_proc_douintvec(table, write, buffer, lenp, ppos, |
4c2e4befb pipe, sysctl: dro... |
2765 |
do_proc_dopipe_max_size_conv, NULL); |
7a8d18194 pipe: add proc_do... |
2766 |
} |
54b501992 coredump: warn ab... |
2767 2768 |
static void validate_coredump_safety(void) { |
046d662f4 coredump: make co... |
2769 |
#ifdef CONFIG_COREDUMP |
e579d2c25 coredump: remove ... |
2770 |
if (suid_dumpable == SUID_DUMP_ROOT && |
54b501992 coredump: warn ab... |
2771 |
core_pattern[0] != '/' && core_pattern[0] != '|') { |
760c6a913 coredump: clarify... |
2772 2773 2774 2775 2776 2777 2778 2779 |
printk(KERN_WARNING "Unsafe core_pattern used with fs.suid_dumpable=2. " "Pipe handler or fully qualified core dump path required. " "Set kernel.core_pattern before fs.suid_dumpable. " ); |
54b501992 coredump: warn ab... |
2780 |
} |
046d662f4 coredump: make co... |
2781 |
#endif |
54b501992 coredump: warn ab... |
2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 |
} static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos); if (!error) validate_coredump_safety(); return error; } |
046d662f4 coredump: make co... |
2792 |
#ifdef CONFIG_COREDUMP |
54b501992 coredump: warn ab... |
2793 2794 2795 2796 2797 2798 2799 2800 |
static int proc_dostring_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int error = proc_dostring(table, write, buffer, lenp, ppos); if (!error) validate_coredump_safety(); return error; } |
046d662f4 coredump: make co... |
2801 |
#endif |
54b501992 coredump: warn ab... |
2802 |
|
d8217f076 sysctl core: Stop... |
2803 |
static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2804 2805 2806 2807 2808 |
void __user *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul, unsigned long convdiv) { |
00b7c3395 sysctl: refactor ... |
2809 2810 |
unsigned long *i, *min, *max; int vleft, first = 1, err = 0; |
00b7c3395 sysctl: refactor ... |
2811 |
size_t left; |
70f6cbb6f kernel/*: switch ... |
2812 |
char *kbuf = NULL, *p; |
00b7c3395 sysctl: refactor ... |
2813 2814 |
if (!data || !table->maxlen || !*lenp || (*ppos && !write)) { |
1da177e4c Linux-2.6.12-rc2 |
2815 2816 2817 |
*lenp = 0; return 0; } |
00b7c3395 sysctl: refactor ... |
2818 |
|
fcfbd547b [PATCH] IPC names... |
2819 |
i = (unsigned long *) data; |
1da177e4c Linux-2.6.12-rc2 |
2820 2821 2822 2823 |
min = (unsigned long *) table->extra1; max = (unsigned long *) table->extra2; vleft = table->maxlen / sizeof(unsigned long); left = *lenp; |
00b7c3395 sysctl: refactor ... |
2824 2825 |
if (write) { |
d383d4847 sysctl: fold sysc... |
2826 2827 |
if (proc_first_pos_non_zero_ignore(ppos, table)) goto out; |
f4aacea2f sysctl: allow for... |
2828 |
|
00b7c3395 sysctl: refactor ... |
2829 2830 |
if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; |
70f6cbb6f kernel/*: switch ... |
2831 2832 2833 |
p = kbuf = memdup_user_nul(buffer, left); if (IS_ERR(kbuf)) return PTR_ERR(kbuf); |
00b7c3395 sysctl: refactor ... |
2834 |
} |
27b3d80a7 sysctl: fix min/m... |
2835 |
for (; left && vleft--; i++, first = 0) { |
00b7c3395 sysctl: refactor ... |
2836 |
unsigned long val; |
1da177e4c Linux-2.6.12-rc2 |
2837 |
if (write) { |
00b7c3395 sysctl: refactor ... |
2838 |
bool neg; |
70f6cbb6f kernel/*: switch ... |
2839 |
left -= proc_skip_spaces(&p); |
09be17840 proc/sysctl: fix ... |
2840 2841 |
if (!left) break; |
00b7c3395 sysctl: refactor ... |
2842 |
|
70f6cbb6f kernel/*: switch ... |
2843 |
err = proc_get_long(&p, &left, &val, &neg, |
00b7c3395 sysctl: refactor ... |
2844 2845 2846 |
proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err) |
1da177e4c Linux-2.6.12-rc2 |
2847 2848 |
break; if (neg) |
1da177e4c Linux-2.6.12-rc2 |
2849 |
continue; |
ff9f8a7cf sysctl: fix proc_... |
2850 |
val = convmul * val / convdiv; |
e260ad01f sysctl: return -E... |
2851 2852 2853 2854 |
if ((min && val < *min) || (max && val > *max)) { err = -EINVAL; break; } |
1da177e4c Linux-2.6.12-rc2 |
2855 2856 |
*i = val; } else { |
00b7c3395 sysctl: refactor ... |
2857 |
val = convdiv * (*i) / convmul; |
7833819d2 kernel/sysctl.c: ... |
2858 |
if (!first) { |
00b7c3395 sysctl: refactor ... |
2859 |
err = proc_put_char(&buffer, &left, '\t'); |
7833819d2 kernel/sysctl.c: ... |
2860 2861 2862 |
if (err) break; } |
00b7c3395 sysctl: refactor ... |
2863 2864 2865 |
err = proc_put_long(&buffer, &left, val, false); if (err) break; |
1da177e4c Linux-2.6.12-rc2 |
2866 2867 |
} } |
00b7c3395 sysctl: refactor ... |
2868 2869 2870 2871 |
if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, ' '); if (write && !err) |
70f6cbb6f kernel/*: switch ... |
2872 |
left -= proc_skip_spaces(&p); |
1da177e4c Linux-2.6.12-rc2 |
2873 |
if (write) { |
70f6cbb6f kernel/*: switch ... |
2874 |
kfree(kbuf); |
00b7c3395 sysctl: refactor ... |
2875 2876 |
if (first) return err ? : -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2877 |
} |
1da177e4c Linux-2.6.12-rc2 |
2878 |
*lenp -= left; |
f4aacea2f sysctl: allow for... |
2879 |
out: |
1da177e4c Linux-2.6.12-rc2 |
2880 |
*ppos += *lenp; |
00b7c3395 sysctl: refactor ... |
2881 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
2882 |
} |
d8217f076 sysctl core: Stop... |
2883 |
static int do_proc_doulongvec_minmax(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2884 2885 2886 2887 2888 2889 |
void __user *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul, unsigned long convdiv) { return __do_proc_doulongvec_minmax(table->data, table, write, |
8d65af789 sysctl: remove "s... |
2890 |
buffer, lenp, ppos, convmul, convdiv); |
fcfbd547b [PATCH] IPC names... |
2891 |
} |
1da177e4c Linux-2.6.12-rc2 |
2892 2893 2894 2895 |
/** * proc_doulongvec_minmax - read a vector of long integers with min/max values * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 |
* @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned long) unsigned long * values from/to the user buffer, treated as an ASCII string. * * This routine will ensure the values are within the range specified by * table->extra1 (min) and table->extra2 (max). * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
2908 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2909 2910 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2911 |
return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l); |
1da177e4c Linux-2.6.12-rc2 |
2912 2913 2914 2915 2916 2917 |
} /** * proc_doulongvec_ms_jiffies_minmax - read a vector of millisecond values with min/max values * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 |
* @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned long) unsigned long * values from/to the user buffer, treated as an ASCII string. The values * are treated as milliseconds, and converted to jiffies when they are stored. * * This routine will ensure the values are within the range specified by * table->extra1 (min) and table->extra2 (max). * * Returns 0 on success. */ |
d8217f076 sysctl core: Stop... |
2931 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2932 2933 2934 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2935 |
return do_proc_doulongvec_minmax(table, write, buffer, |
1da177e4c Linux-2.6.12-rc2 |
2936 2937 |
lenp, ppos, HZ, 1000l); } |
00b7c3395 sysctl: refactor ... |
2938 |
static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2939 2940 2941 2942 |
int *valp, int write, void *data) { if (write) { |
63259457a proc/sysctl: fix ... |
2943 |
if (*lvalp > INT_MAX / HZ) |
cba9f33d1 [PATCH] Range che... |
2944 |
return 1; |
1da177e4c Linux-2.6.12-rc2 |
2945 2946 2947 2948 2949 |
*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ); } else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2950 |
*negp = true; |
9a5bc726d sysctl: fix int -... |
2951 |
lval = -(unsigned long)val; |
1da177e4c Linux-2.6.12-rc2 |
2952 |
} else { |
00b7c3395 sysctl: refactor ... |
2953 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2954 2955 2956 2957 2958 2959 |
lval = (unsigned long)val; } *lvalp = lval / HZ; } return 0; } |
00b7c3395 sysctl: refactor ... |
2960 |
static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2961 2962 2963 2964 |
int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2965 2966 |
if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
2967 2968 2969 2970 2971 |
*valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp); } else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2972 |
*negp = true; |
9a5bc726d sysctl: fix int -... |
2973 |
lval = -(unsigned long)val; |
1da177e4c Linux-2.6.12-rc2 |
2974 |
} else { |
00b7c3395 sysctl: refactor ... |
2975 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2976 2977 2978 2979 2980 2981 |
lval = (unsigned long)val; } *lvalp = jiffies_to_clock_t(lval); } return 0; } |
00b7c3395 sysctl: refactor ... |
2982 |
static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2983 2984 2985 2986 |
int *valp, int write, void *data) { if (write) { |
d738ce8fd sysctl: range che... |
2987 2988 2989 2990 2991 |
unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp); if (jif > INT_MAX) return 1; *valp = (int)jif; |
1da177e4c Linux-2.6.12-rc2 |
2992 2993 2994 2995 |
} else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2996 |
*negp = true; |
9a5bc726d sysctl: fix int -... |
2997 |
lval = -(unsigned long)val; |
1da177e4c Linux-2.6.12-rc2 |
2998 |
} else { |
00b7c3395 sysctl: refactor ... |
2999 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 |
lval = (unsigned long)val; } *lvalp = jiffies_to_msecs(lval); } return 0; } /** * proc_dointvec_jiffies - read a vector of integers as seconds * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 |
* @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned int) integer * values from/to the user buffer, treated as an ASCII string. * The values read are assumed to be in seconds, and are converted into * jiffies. * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
3022 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3023 3024 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
3025 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
3026 3027 3028 3029 3030 3031 3032 |
do_proc_dointvec_jiffies_conv,NULL); } /** * proc_dointvec_userhz_jiffies - read a vector of integers as 1/USER_HZ seconds * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
3033 3034 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
1e5d53314 [PATCH] more kern... |
3035 |
* @ppos: pointer to the file position |
1da177e4c Linux-2.6.12-rc2 |
3036 3037 3038 3039 3040 3041 3042 3043 |
* * Reads/writes up to table->maxlen/sizeof(unsigned int) integer * values from/to the user buffer, treated as an ASCII string. * The values read are assumed to be in 1/USER_HZ seconds, and * are converted into jiffies. * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
3044 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3045 3046 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
3047 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
3048 3049 3050 3051 3052 3053 3054 |
do_proc_dointvec_userhz_jiffies_conv,NULL); } /** * proc_dointvec_ms_jiffies - read a vector of integers as 1 milliseconds * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file |
1da177e4c Linux-2.6.12-rc2 |
3055 3056 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
67be2dd1b [PATCH] DocBook: ... |
3057 3058 |
* @ppos: file position * @ppos: the current position in the file |
1da177e4c Linux-2.6.12-rc2 |
3059 3060 3061 3062 3063 3064 3065 3066 |
* * Reads/writes up to table->maxlen/sizeof(unsigned int) integer * values from/to the user buffer, treated as an ASCII string. * The values read are assumed to be in 1/1000 seconds, and * are converted into jiffies. * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
3067 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3068 3069 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
3070 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
3071 3072 |
do_proc_dointvec_ms_jiffies_conv, NULL); } |
8d65af789 sysctl: remove "s... |
3073 |
static int proc_do_cad_pid(struct ctl_table *table, int write, |
9ec52099e [PATCH] replace c... |
3074 3075 3076 3077 3078 |
void __user *buffer, size_t *lenp, loff_t *ppos) { struct pid *new_pid; pid_t tmp; int r; |
6c5f3e7b4 Pidns: make full ... |
3079 |
tmp = pid_vnr(cad_pid); |
9ec52099e [PATCH] replace c... |
3080 |
|
8d65af789 sysctl: remove "s... |
3081 |
r = __do_proc_dointvec(&tmp, table, write, buffer, |
9ec52099e [PATCH] replace c... |
3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 |
lenp, ppos, NULL, NULL); if (r || !write) return r; new_pid = find_get_pid(tmp); if (!new_pid) return -ESRCH; put_pid(xchg(&cad_pid, new_pid)); return 0; } |
9f977fb7a sysctl: add proc_... |
3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 |
/** * proc_do_large_bitmap - read/write from/to a large bitmap * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file * @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * The bitmap is stored at table->data and the bitmap length (in bits) * in table->maxlen. * * We use a range comma separated format (e.g. 1,3-4,10-10) so that * large bitmaps may be represented in a compact manner. Writing into * the file will clear the bitmap then update it with the given input. * * Returns 0 on success. */ int proc_do_large_bitmap(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int err = 0; bool first = 1; size_t left = *lenp; unsigned long bitmap_len = table->maxlen; |
122ff243f ipv4: make ip_loc... |
3117 |
unsigned long *bitmap = *(unsigned long **) table->data; |
9f977fb7a sysctl: add proc_... |
3118 3119 3120 3121 |
unsigned long *tmp_bitmap = NULL; char tr_a[] = { '-', ',', ' ' }, tr_b[] = { ',', ' ', 0 }, c; |
122ff243f ipv4: make ip_loc... |
3122 |
if (!bitmap || !bitmap_len || !left || (*ppos && !write)) { |
9f977fb7a sysctl: add proc_... |
3123 3124 3125 3126 3127 |
*lenp = 0; return 0; } if (write) { |
70f6cbb6f kernel/*: switch ... |
3128 |
char *kbuf, *p; |
3116ad38f kernel/sysctl.c: ... |
3129 |
size_t skipped = 0; |
9f977fb7a sysctl: add proc_... |
3130 |
|
3116ad38f kernel/sysctl.c: ... |
3131 |
if (left > PAGE_SIZE - 1) { |
9f977fb7a sysctl: add proc_... |
3132 |
left = PAGE_SIZE - 1; |
3116ad38f kernel/sysctl.c: ... |
3133 3134 3135 |
/* How much of the buffer we'll skip this pass */ skipped = *lenp - left; } |
9f977fb7a sysctl: add proc_... |
3136 |
|
70f6cbb6f kernel/*: switch ... |
3137 3138 3139 |
p = kbuf = memdup_user_nul(buffer, left); if (IS_ERR(kbuf)) return PTR_ERR(kbuf); |
9f977fb7a sysctl: add proc_... |
3140 |
|
475dae385 kernel/sysctl.c: ... |
3141 |
tmp_bitmap = bitmap_zalloc(bitmap_len, GFP_KERNEL); |
9f977fb7a sysctl: add proc_... |
3142 |
if (!tmp_bitmap) { |
70f6cbb6f kernel/*: switch ... |
3143 |
kfree(kbuf); |
9f977fb7a sysctl: add proc_... |
3144 3145 |
return -ENOMEM; } |
70f6cbb6f kernel/*: switch ... |
3146 3147 |
proc_skip_char(&p, &left, ' '); |
9f977fb7a sysctl: add proc_... |
3148 3149 3150 |
while (!err && left) { unsigned long val_a, val_b; bool neg; |
3116ad38f kernel/sysctl.c: ... |
3151 |
size_t saved_left; |
9f977fb7a sysctl: add proc_... |
3152 |
|
3116ad38f kernel/sysctl.c: ... |
3153 3154 |
/* In case we stop parsing mid-number, we can reset */ saved_left = left; |
70f6cbb6f kernel/*: switch ... |
3155 |
err = proc_get_long(&p, &left, &val_a, &neg, tr_a, |
9f977fb7a sysctl: add proc_... |
3156 |
sizeof(tr_a), &c); |
3116ad38f kernel/sysctl.c: ... |
3157 3158 3159 3160 3161 3162 3163 3164 3165 |
/* * If we consumed the entirety of a truncated buffer or * only one char is left (may be a "-"), then stop here, * reset, & come back for more. */ if ((left <= 1) && skipped) { left = saved_left; break; } |
9f977fb7a sysctl: add proc_... |
3166 3167 3168 3169 3170 3171 3172 3173 3174 |
if (err) break; if (val_a >= bitmap_len || neg) { err = -EINVAL; break; } val_b = val_a; if (left) { |
70f6cbb6f kernel/*: switch ... |
3175 |
p++; |
9f977fb7a sysctl: add proc_... |
3176 3177 3178 3179 |
left--; } if (c == '-') { |
70f6cbb6f kernel/*: switch ... |
3180 |
err = proc_get_long(&p, &left, &val_b, |
9f977fb7a sysctl: add proc_... |
3181 3182 |
&neg, tr_b, sizeof(tr_b), &c); |
3116ad38f kernel/sysctl.c: ... |
3183 3184 3185 3186 3187 3188 3189 3190 |
/* * If we consumed all of a truncated buffer or * then stop here, reset, & come back for more. */ if (!left && skipped) { left = saved_left; break; } |
9f977fb7a sysctl: add proc_... |
3191 3192 3193 3194 3195 3196 3197 3198 |
if (err) break; if (val_b >= bitmap_len || neg || val_a > val_b) { err = -EINVAL; break; } if (left) { |
70f6cbb6f kernel/*: switch ... |
3199 |
p++; |
9f977fb7a sysctl: add proc_... |
3200 3201 3202 |
left--; } } |
5a04cca6c sysctl: use bitma... |
3203 |
bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1); |
9f977fb7a sysctl: add proc_... |
3204 |
first = 0; |
70f6cbb6f kernel/*: switch ... |
3205 3206 |
proc_skip_char(&p, &left, ' '); |
9f977fb7a sysctl: add proc_... |
3207 |
} |
70f6cbb6f kernel/*: switch ... |
3208 |
kfree(kbuf); |
3116ad38f kernel/sysctl.c: ... |
3209 |
left += skipped; |
9f977fb7a sysctl: add proc_... |
3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 |
} else { unsigned long bit_a, bit_b = 0; while (left) { bit_a = find_next_bit(bitmap, bitmap_len, bit_b); if (bit_a >= bitmap_len) break; bit_b = find_next_zero_bit(bitmap, bitmap_len, bit_a + 1) - 1; if (!first) { err = proc_put_char(&buffer, &left, ','); if (err) break; } err = proc_put_long(&buffer, &left, bit_a, false); if (err) break; if (bit_a != bit_b) { err = proc_put_char(&buffer, &left, '-'); if (err) break; err = proc_put_long(&buffer, &left, bit_b, false); if (err) break; } first = 0; bit_b++; } if (!err) err = proc_put_char(&buffer, &left, ' '); } if (!err) { if (write) { if (*ppos) bitmap_or(bitmap, bitmap, tmp_bitmap, bitmap_len); else |
5a04cca6c sysctl: use bitma... |
3249 |
bitmap_copy(bitmap, tmp_bitmap, bitmap_len); |
9f977fb7a sysctl: add proc_... |
3250 |
} |
9f977fb7a sysctl: add proc_... |
3251 3252 |
*lenp -= left; *ppos += *lenp; |
9f977fb7a sysctl: add proc_... |
3253 |
} |
f9eb2fdd0 kernel/sysctl.c: ... |
3254 |
|
475dae385 kernel/sysctl.c: ... |
3255 |
bitmap_free(tmp_bitmap); |
f9eb2fdd0 kernel/sysctl.c: ... |
3256 |
return err; |
9f977fb7a sysctl: add proc_... |
3257 |
} |
556105000 sysctl: fix #ifde... |
3258 |
#else /* CONFIG_PROC_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
3259 |
|
8d65af789 sysctl: remove "s... |
3260 |
int proc_dostring(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3261 3262 3263 3264 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
3265 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3266 |
void __user *buffer, size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
3267 3268 3269 |
{ return -ENOSYS; } |
e7d316a02 sysctl: handle er... |
3270 3271 3272 3273 3274 |
int proc_douintvec(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
3275 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3276 3277 3278 3279 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
61d9b56a8 sysctl: add unsig... |
3280 3281 3282 3283 3284 |
int proc_douintvec_minmax(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
3285 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3286 3287 3288 3289 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
3290 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3291 3292 3293 3294 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
3295 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3296 3297 3298 3299 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
3300 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3301 3302 3303 3304 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
d8217f076 sysctl core: Stop... |
3305 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
3306 3307 3308 3309 3310 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
0bc199854 ipv6: Add rate li... |
3311 3312 3313 3314 3315 |
int proc_do_large_bitmap(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
1da177e4c Linux-2.6.12-rc2 |
3316 |
|
556105000 sysctl: fix #ifde... |
3317 |
#endif /* CONFIG_PROC_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
3318 |
|
a8e11e5c5 sysctl: define pr... |
3319 3320 3321 3322 |
#if defined(CONFIG_SYSCTL) int proc_do_static_key(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) |
492ecee89 bpf: enable progr... |
3323 |
{ |
a8e11e5c5 sysctl: define pr... |
3324 3325 3326 3327 3328 3329 3330 |
struct static_key *key = (struct static_key *)table->data; static DEFINE_MUTEX(static_key_mutex); int val, ret; struct ctl_table tmp = { .data = &val, .maxlen = sizeof(val), .mode = table->mode, |
eec4844fa proc/sysctl: add ... |
3331 3332 |
.extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, |
a8e11e5c5 sysctl: define pr... |
3333 |
}; |
492ecee89 bpf: enable progr... |
3334 3335 3336 |
if (write && !capable(CAP_SYS_ADMIN)) return -EPERM; |
a8e11e5c5 sysctl: define pr... |
3337 3338 |
mutex_lock(&static_key_mutex); val = static_key_enabled(key); |
492ecee89 bpf: enable progr... |
3339 3340 |
ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); if (write && !ret) { |
a8e11e5c5 sysctl: define pr... |
3341 3342 |
if (val) static_key_enable(key); |
492ecee89 bpf: enable progr... |
3343 |
else |
a8e11e5c5 sysctl: define pr... |
3344 |
static_key_disable(key); |
492ecee89 bpf: enable progr... |
3345 |
} |
a8e11e5c5 sysctl: define pr... |
3346 |
mutex_unlock(&static_key_mutex); |
492ecee89 bpf: enable progr... |
3347 3348 |
return ret; } |
3fcc5530b bpf: fix build wi... |
3349 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
3350 3351 3352 3353 3354 |
/* * No sense putting this after each symbol definition, twice, * exception granted :-) */ EXPORT_SYMBOL(proc_dointvec); |
e7d316a02 sysctl: handle er... |
3355 |
EXPORT_SYMBOL(proc_douintvec); |
1da177e4c Linux-2.6.12-rc2 |
3356 3357 |
EXPORT_SYMBOL(proc_dointvec_jiffies); EXPORT_SYMBOL(proc_dointvec_minmax); |
61d9b56a8 sysctl: add unsig... |
3358 |
EXPORT_SYMBOL_GPL(proc_douintvec_minmax); |
1da177e4c Linux-2.6.12-rc2 |
3359 3360 3361 3362 3363 |
EXPORT_SYMBOL(proc_dointvec_userhz_jiffies); EXPORT_SYMBOL(proc_dointvec_ms_jiffies); EXPORT_SYMBOL(proc_dostring); EXPORT_SYMBOL(proc_doulongvec_minmax); EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax); |
0bc199854 ipv6: Add rate li... |
3364 |
EXPORT_SYMBOL(proc_do_large_bitmap); |