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kernel/sysctl.c
61.8 KB
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/* * 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 */ |
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#include <linux/module.h> #include <linux/mm.h> #include <linux/swap.h> #include <linux/slab.h> #include <linux/sysctl.h> #include <linux/proc_fs.h> |
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#include <linux/security.h> |
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#include <linux/ctype.h> |
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#include <linux/kmemcheck.h> |
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#include <linux/fs.h> |
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#include <linux/init.h> #include <linux/kernel.h> |
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#include <linux/kobject.h> |
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#include <linux/net.h> |
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#include <linux/sysrq.h> #include <linux/highuid.h> #include <linux/writeback.h> |
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#include <linux/ratelimit.h> |
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#include <linux/hugetlb.h> |
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#include <linux/initrd.h> |
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#include <linux/key.h> |
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#include <linux/times.h> #include <linux/limits.h> #include <linux/dcache.h> #include <linux/syscalls.h> |
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#include <linux/vmstat.h> |
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#include <linux/nfs_fs.h> #include <linux/acpi.h> |
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#include <linux/reboot.h> |
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#include <linux/ftrace.h> |
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#include <linux/slow-work.h> |
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#include <linux/perf_event.h> |
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#include <linux/kprobes.h> |
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#include <asm/uaccess.h> #include <asm/processor.h> |
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#ifdef CONFIG_X86 #include <asm/nmi.h> |
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#include <asm/stacktrace.h> |
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#include <asm/io.h> |
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#endif |
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#if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ extern int C_A_D; |
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extern int print_fatal_signals; |
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extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; |
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extern int sysctl_panic_on_oom; |
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extern int sysctl_oom_kill_allocating_task; |
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extern int sysctl_oom_dump_tasks; |
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extern int max_threads; |
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extern int core_uses_pid; |
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extern int suid_dumpable; |
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extern char core_pattern[]; |
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extern unsigned int core_pipe_limit; |
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extern int pid_max; extern int min_free_kbytes; |
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extern int pid_max_min, pid_max_max; |
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extern int sysctl_drop_caches; |
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extern int percpu_pagelist_fraction; |
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extern int compat_log; |
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extern int latencytop_enabled; |
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extern int sysctl_nr_open_min, sysctl_nr_open_max; |
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#ifndef CONFIG_MMU extern int sysctl_nr_trim_pages; #endif |
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#ifdef CONFIG_RCU_TORTURE_TEST extern int rcutorture_runnable; #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ |
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#ifdef CONFIG_BLOCK |
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extern int blk_iopoll_enabled; |
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#endif |
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/* Constants used for minimum and maximum */ |
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#ifdef CONFIG_DETECT_SOFTLOCKUP |
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static int sixty = 60; |
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static int neg_one = -1; |
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#endif |
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static int zero; |
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static int __maybe_unused one = 1; static int __maybe_unused two = 2; |
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static unsigned long one_ul = 1; |
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static int one_hundred = 100; |
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#ifdef CONFIG_PRINTK static int ten_thousand = 10000; #endif |
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/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; |
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/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; static int minolduid; |
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static int min_percpu_pagelist_fract = 8; |
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static int ngroups_max = NGROUPS_MAX; |
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#ifdef CONFIG_MODULES |
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extern char modprobe_path[]; |
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extern int modules_disabled; |
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#endif |
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#ifdef CONFIG_CHR_DEV_SG extern int sg_big_buff; #endif |
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#ifdef CONFIG_SPARC |
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#include <asm/system.h> |
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#endif |
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#ifdef CONFIG_SPARC64 extern int sysctl_tsb_ratio; #endif |
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#ifdef __hppa__ extern int pwrsw_enabled; extern int unaligned_enabled; #endif |
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#ifdef CONFIG_S390 |
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#ifdef CONFIG_MATHEMU extern int sysctl_ieee_emulation_warnings; #endif extern int sysctl_userprocess_debug; |
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extern int spin_retry; |
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#endif |
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#ifdef CONFIG_BSD_PROCESS_ACCT extern int acct_parm[]; #endif |
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#ifdef CONFIG_IA64 extern int no_unaligned_warning; |
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extern int unaligned_dump_stack; |
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#endif |
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extern struct ratelimit_state printk_ratelimit_state; |
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#ifdef CONFIG_RT_MUTEXES extern int max_lock_depth; #endif |
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#ifdef CONFIG_PROC_SYSCTL |
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static int proc_do_cad_pid(struct ctl_table *table, int write, |
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void __user *buffer, size_t *lenp, loff_t *ppos); |
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static int proc_taint(struct ctl_table *table, int write, |
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void __user *buffer, size_t *lenp, loff_t *ppos); |
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#endif |
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static struct ctl_table root_table[]; |
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static struct ctl_table_root sysctl_table_root; static struct ctl_table_header root_table_header = { |
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.count = 1, |
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.ctl_table = root_table, |
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.ctl_entry = LIST_HEAD_INIT(sysctl_table_root.default_set.list), |
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.root = &sysctl_table_root, |
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.set = &sysctl_table_root.default_set, |
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}; static struct ctl_table_root sysctl_table_root = { .root_list = LIST_HEAD_INIT(sysctl_table_root.root_list), |
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.default_set.list = LIST_HEAD_INIT(root_table_header.ctl_entry), |
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}; |
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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[]; |
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#ifdef CONFIG_INOTIFY_USER |
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extern struct ctl_table inotify_table[]; |
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#endif |
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#ifdef CONFIG_EPOLL extern struct ctl_table epoll_table[]; #endif |
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#ifdef HAVE_ARCH_PICK_MMAP_LAYOUT int sysctl_legacy_va_layout; #endif |
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extern int prove_locking; extern int lock_stat; |
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/* The default sysctl tables: */ |
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static struct ctl_table root_table[] = { |
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{ |
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.procname = "kernel", .mode = 0555, .child = kern_table, }, { |
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.procname = "vm", .mode = 0555, .child = vm_table, }, |
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{ |
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.procname = "fs", .mode = 0555, .child = fs_table, }, { |
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.procname = "debug", .mode = 0555, .child = debug_table, }, { |
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.procname = "dev", .mode = 0555, .child = dev_table, }, |
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/* * NOTE: do not add new entries to this table unless you have read * Documentation/sysctl/ctl_unnumbered.txt */ |
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{ } |
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}; |
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#ifdef CONFIG_SCHED_DEBUG |
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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 */ |
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static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; |
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static int min_sched_shares_ratelimit = 100000; /* 100 usec */ static int max_sched_shares_ratelimit = NSEC_PER_SEC; /* 1 second */ |
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#endif |
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static struct ctl_table kern_table[] = { |
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{ |
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.procname = "sched_child_runs_first", .data = &sysctl_sched_child_runs_first, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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#ifdef CONFIG_SCHED_DEBUG { |
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.procname = "sched_min_granularity_ns", .data = &sysctl_sched_min_granularity, |
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.maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = sched_proc_update_handler, |
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.extra1 = &min_sched_granularity_ns, .extra2 = &max_sched_granularity_ns, |
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}, { |
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.procname = "sched_latency_ns", .data = &sysctl_sched_latency, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = sched_proc_update_handler, |
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.extra1 = &min_sched_granularity_ns, .extra2 = &max_sched_granularity_ns, }, { |
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.procname = "sched_wakeup_granularity_ns", .data = &sysctl_sched_wakeup_granularity, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = sched_proc_update_handler, |
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.extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, { |
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.procname = "sched_shares_ratelimit", .data = &sysctl_sched_shares_ratelimit, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = sched_proc_update_handler, |
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.extra1 = &min_sched_shares_ratelimit, .extra2 = &max_sched_shares_ratelimit, |
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}, { |
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.procname = "sched_tunable_scaling", .data = &sysctl_sched_tunable_scaling, .maxlen = sizeof(enum sched_tunable_scaling), .mode = 0644, |
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.proc_handler = sched_proc_update_handler, |
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.extra1 = &min_sched_tunable_scaling, .extra2 = &max_sched_tunable_scaling, |
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}, { |
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.procname = "sched_shares_thresh", .data = &sysctl_sched_shares_thresh, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &zero, }, { |
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.procname = "sched_migration_cost", .data = &sysctl_sched_migration_cost, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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{ |
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.procname = "sched_nr_migrate", .data = &sysctl_sched_nr_migrate, .maxlen = sizeof(unsigned int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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{ |
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.procname = "sched_time_avg", .data = &sysctl_sched_time_avg, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, { |
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.procname = "timer_migration", .data = &sysctl_timer_migration, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec_minmax, |
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.extra1 = &zero, .extra2 = &one, |
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}, |
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#endif |
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{ |
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.procname = "sched_rt_period_us", .data = &sysctl_sched_rt_period, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = sched_rt_handler, |
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}, { |
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.procname = "sched_rt_runtime_us", .data = &sysctl_sched_rt_runtime, .maxlen = sizeof(int), .mode = 0644, |
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.proc_handler = sched_rt_handler, |
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}, { |
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.procname = "sched_compat_yield", .data = &sysctl_sched_compat_yield, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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#ifdef CONFIG_PROVE_LOCKING { |
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.procname = "prove_locking", .data = &prove_locking, .maxlen = sizeof(int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, #endif #ifdef CONFIG_LOCK_STAT { |
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.procname = "lock_stat", .data = &lock_stat, .maxlen = sizeof(int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, #endif |
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{ |
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.procname = "panic", .data = &panic_timeout, .maxlen = sizeof(int), .mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, { |
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.procname = "core_uses_pid", .data = &core_uses_pid, .maxlen = sizeof(int), .mode = 0644, |
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380 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
381 382 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
383 384 |
.procname = "core_pattern", .data = core_pattern, |
71ce92f3f make sysctl/kerne... |
385 |
.maxlen = CORENAME_MAX_SIZE, |
1da177e4c Linux-2.6.12-rc2 |
386 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
387 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
388 |
}, |
a293980c2 exec: let do_core... |
389 |
{ |
a293980c2 exec: let do_core... |
390 391 392 393 |
.procname = "core_pipe_limit", .data = &core_pipe_limit, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
394 |
.proc_handler = proc_dointvec, |
a293980c2 exec: let do_core... |
395 |
}, |
34f5a3989 [PATCH] Add TAINT... |
396 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
397 |
{ |
1da177e4c Linux-2.6.12-rc2 |
398 |
.procname = "tainted", |
25ddbb18a Make the taint fl... |
399 |
.maxlen = sizeof(long), |
34f5a3989 [PATCH] Add TAINT... |
400 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
401 |
.proc_handler = proc_taint, |
1da177e4c Linux-2.6.12-rc2 |
402 |
}, |
34f5a3989 [PATCH] Add TAINT... |
403 |
#endif |
9745512ce sched: latencytop... |
404 405 406 407 408 409 |
#ifdef CONFIG_LATENCYTOP { .procname = "latencytop", .data = &latencytop_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
410 |
.proc_handler = proc_dointvec, |
9745512ce sched: latencytop... |
411 412 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
413 414 |
#ifdef CONFIG_BLK_DEV_INITRD { |
1da177e4c Linux-2.6.12-rc2 |
415 416 417 418 |
.procname = "real-root-dev", .data = &real_root_dev, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
419 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
420 421 |
}, #endif |
45807a1df vdso: print fatal... |
422 |
{ |
45807a1df vdso: print fatal... |
423 424 425 426 |
.procname = "print-fatal-signals", .data = &print_fatal_signals, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
427 |
.proc_handler = proc_dointvec, |
45807a1df vdso: print fatal... |
428 |
}, |
72c57ed50 sysctl: Use CONFI... |
429 |
#ifdef CONFIG_SPARC |
1da177e4c Linux-2.6.12-rc2 |
430 |
{ |
1da177e4c Linux-2.6.12-rc2 |
431 432 433 434 |
.procname = "reboot-cmd", .data = reboot_command, .maxlen = 256, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
435 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
436 437 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
438 439 440 441 |
.procname = "stop-a", .data = &stop_a_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
442 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
443 444 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
445 446 447 448 |
.procname = "scons-poweroff", .data = &scons_pwroff, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
449 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
450 451 |
}, #endif |
0871420fa sparc64: Add tsb-... |
452 453 |
#ifdef CONFIG_SPARC64 { |
0871420fa sparc64: Add tsb-... |
454 455 456 457 |
.procname = "tsb-ratio", .data = &sysctl_tsb_ratio, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
458 |
.proc_handler = proc_dointvec, |
0871420fa sparc64: Add tsb-... |
459 460 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
461 462 |
#ifdef __hppa__ { |
1da177e4c Linux-2.6.12-rc2 |
463 464 465 466 |
.procname = "soft-power", .data = &pwrsw_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
467 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
468 469 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
470 471 472 473 |
.procname = "unaligned-trap", .data = &unaligned_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
474 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
475 476 477 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
478 479 480 481 |
.procname = "ctrl-alt-del", .data = &C_A_D, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
482 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
483 |
}, |
606576ce8 ftrace: rename FT... |
484 |
#ifdef CONFIG_FUNCTION_TRACER |
b0fc494fa ftrace: add ftrac... |
485 |
{ |
b0fc494fa ftrace: add ftrac... |
486 487 488 489 |
.procname = "ftrace_enabled", .data = &ftrace_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
490 |
.proc_handler = ftrace_enable_sysctl, |
b0fc494fa ftrace: add ftrac... |
491 492 |
}, #endif |
f38f1d2aa trace: add a way ... |
493 494 |
#ifdef CONFIG_STACK_TRACER { |
f38f1d2aa trace: add a way ... |
495 496 497 498 |
.procname = "stack_tracer_enabled", .data = &stack_tracer_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
499 |
.proc_handler = stack_trace_sysctl, |
f38f1d2aa trace: add a way ... |
500 501 |
}, #endif |
944ac4259 ftrace: ftrace du... |
502 503 |
#ifdef CONFIG_TRACING { |
3299b4dd1 ftrace: sysctl typo |
504 |
.procname = "ftrace_dump_on_oops", |
944ac4259 ftrace: ftrace du... |
505 506 507 |
.data = &ftrace_dump_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
508 |
.proc_handler = proc_dointvec, |
944ac4259 ftrace: ftrace du... |
509 510 |
}, #endif |
a1ef5adb4 remove CONFIG_KMO... |
511 |
#ifdef CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
512 |
{ |
1da177e4c Linux-2.6.12-rc2 |
513 514 515 516 |
.procname = "modprobe", .data = &modprobe_path, .maxlen = KMOD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
517 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
518 |
}, |
3d43321b7 modules: sysctl t... |
519 |
{ |
3d43321b7 modules: sysctl t... |
520 521 522 523 524 |
.procname = "modules_disabled", .data = &modules_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ |
6d4561110 sysctl: Drop & in... |
525 |
.proc_handler = proc_dointvec_minmax, |
3d43321b7 modules: sysctl t... |
526 527 528 |
.extra1 = &one, .extra2 = &one, }, |
1da177e4c Linux-2.6.12-rc2 |
529 |
#endif |
57ae25086 [PATCH] CONFIG_NE... |
530 |
#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET) |
1da177e4c Linux-2.6.12-rc2 |
531 |
{ |
1da177e4c Linux-2.6.12-rc2 |
532 |
.procname = "hotplug", |
312c004d3 [PATCH] driver co... |
533 534 |
.data = &uevent_helper, .maxlen = UEVENT_HELPER_PATH_LEN, |
1da177e4c Linux-2.6.12-rc2 |
535 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
536 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
537 538 539 540 |
}, #endif #ifdef CONFIG_CHR_DEV_SG { |
1da177e4c Linux-2.6.12-rc2 |
541 542 543 544 |
.procname = "sg-big-buff", .data = &sg_big_buff, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
545 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
546 547 548 549 |
}, #endif #ifdef CONFIG_BSD_PROCESS_ACCT { |
1da177e4c Linux-2.6.12-rc2 |
550 551 552 553 |
.procname = "acct", .data = &acct_parm, .maxlen = 3*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
554 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
555 556 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
557 558 |
#ifdef CONFIG_MAGIC_SYSRQ { |
1da177e4c Linux-2.6.12-rc2 |
559 |
.procname = "sysrq", |
5d6f647fc [PATCH] debug: ad... |
560 |
.data = &__sysrq_enabled, |
1da177e4c Linux-2.6.12-rc2 |
561 562 |
.maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
563 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
564 565 |
}, #endif |
d6f8ff738 [PATCH] cad_pid s... |
566 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
567 |
{ |
1da177e4c Linux-2.6.12-rc2 |
568 |
.procname = "cad_pid", |
9ec52099e [PATCH] replace c... |
569 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
570 571 |
.maxlen = sizeof (int), .mode = 0600, |
6d4561110 sysctl: Drop & in... |
572 |
.proc_handler = proc_do_cad_pid, |
1da177e4c Linux-2.6.12-rc2 |
573 |
}, |
d6f8ff738 [PATCH] cad_pid s... |
574 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
575 |
{ |
1da177e4c Linux-2.6.12-rc2 |
576 577 578 579 |
.procname = "threads-max", .data = &max_threads, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
580 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
581 582 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
583 584 585 586 |
.procname = "random", .mode = 0555, .child = random_table, }, |
1da177e4c Linux-2.6.12-rc2 |
587 |
{ |
1da177e4c Linux-2.6.12-rc2 |
588 589 590 591 |
.procname = "overflowuid", .data = &overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
592 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
593 594 595 596 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
597 598 599 600 |
.procname = "overflowgid", .data = &overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
601 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
602 603 604 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
347a8dc3b [PATCH] s390: cle... |
605 |
#ifdef CONFIG_S390 |
1da177e4c Linux-2.6.12-rc2 |
606 607 |
#ifdef CONFIG_MATHEMU { |
1da177e4c Linux-2.6.12-rc2 |
608 609 610 611 |
.procname = "ieee_emulation_warnings", .data = &sysctl_ieee_emulation_warnings, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
612 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
613 614 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
615 |
{ |
1da177e4c Linux-2.6.12-rc2 |
616 617 618 619 |
.procname = "userprocess_debug", .data = &sysctl_userprocess_debug, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
620 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
621 622 623 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
624 625 626 627 |
.procname = "pid_max", .data = &pid_max, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
628 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
629 630 631 632 |
.extra1 = &pid_max_min, .extra2 = &pid_max_max, }, { |
1da177e4c Linux-2.6.12-rc2 |
633 634 635 636 |
.procname = "panic_on_oops", .data = &panic_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
637 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
638 |
}, |
7ef3d2fd1 printk_ratelimit(... |
639 640 |
#if defined CONFIG_PRINTK { |
7ef3d2fd1 printk_ratelimit(... |
641 642 643 644 |
.procname = "printk", .data = &console_loglevel, .maxlen = 4*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
645 |
.proc_handler = proc_dointvec, |
7ef3d2fd1 printk_ratelimit(... |
646 |
}, |
1da177e4c Linux-2.6.12-rc2 |
647 |
{ |
1da177e4c Linux-2.6.12-rc2 |
648 |
.procname = "printk_ratelimit", |
717115e1a printk ratelimiti... |
649 |
.data = &printk_ratelimit_state.interval, |
1da177e4c Linux-2.6.12-rc2 |
650 651 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
652 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
653 654 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
655 |
.procname = "printk_ratelimit_burst", |
717115e1a printk ratelimiti... |
656 |
.data = &printk_ratelimit_state.burst, |
1da177e4c Linux-2.6.12-rc2 |
657 658 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
659 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
660 |
}, |
af91322ef printk: add print... |
661 |
{ |
af91322ef printk: add print... |
662 663 664 665 |
.procname = "printk_delay", .data = &printk_delay_msec, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
666 |
.proc_handler = proc_dointvec_minmax, |
af91322ef printk: add print... |
667 668 669 |
.extra1 = &zero, .extra2 = &ten_thousand, }, |
7ef3d2fd1 printk_ratelimit(... |
670 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
671 |
{ |
1da177e4c Linux-2.6.12-rc2 |
672 673 674 675 |
.procname = "ngroups_max", .data = &ngroups_max, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
676 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
677 678 679 |
}, #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) { |
1da177e4c Linux-2.6.12-rc2 |
680 681 682 683 |
.procname = "unknown_nmi_panic", .data = &unknown_nmi_panic, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
684 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
685 |
}, |
407984f1a [PATCH] x86: Add ... |
686 |
{ |
407984f1a [PATCH] x86: Add ... |
687 688 689 690 |
.procname = "nmi_watchdog", .data = &nmi_watchdog_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
691 |
.proc_handler = proc_nmi_enabled, |
1da177e4c Linux-2.6.12-rc2 |
692 693 694 695 |
}, #endif #if defined(CONFIG_X86) { |
8da5adda9 [PATCH] x86: Allo... |
696 697 698 699 |
.procname = "panic_on_unrecovered_nmi", .data = &panic_on_unrecovered_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
700 |
.proc_handler = proc_dointvec, |
8da5adda9 [PATCH] x86: Allo... |
701 702 |
}, { |
5211a242d x86: Add sysctl t... |
703 704 705 706 |
.procname = "panic_on_io_nmi", .data = &panic_on_io_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
707 |
.proc_handler = proc_dointvec, |
5211a242d x86: Add sysctl t... |
708 709 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
710 711 712 713 |
.procname = "bootloader_type", .data = &bootloader_type, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
714 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
715 |
}, |
0741f4d20 [PATCH] x86: add ... |
716 |
{ |
5031296c5 x86: add extensio... |
717 718 719 720 |
.procname = "bootloader_version", .data = &bootloader_version, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
721 |
.proc_handler = proc_dointvec, |
5031296c5 x86: add extensio... |
722 723 |
}, { |
0741f4d20 [PATCH] x86: add ... |
724 725 726 727 |
.procname = "kstack_depth_to_print", .data = &kstack_depth_to_print, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
728 |
.proc_handler = proc_dointvec, |
0741f4d20 [PATCH] x86: add ... |
729 |
}, |
6e7c40259 x86: various chan... |
730 |
{ |
6e7c40259 x86: various chan... |
731 732 733 734 |
.procname = "io_delay_type", .data = &io_delay_type, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
735 |
.proc_handler = proc_dointvec, |
6e7c40259 x86: various chan... |
736 |
}, |
1da177e4c Linux-2.6.12-rc2 |
737 |
#endif |
7a9166e3b [PATCH] Fix undef... |
738 |
#if defined(CONFIG_MMU) |
1da177e4c Linux-2.6.12-rc2 |
739 |
{ |
1da177e4c Linux-2.6.12-rc2 |
740 741 742 743 |
.procname = "randomize_va_space", .data = &randomize_va_space, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
744 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
745 |
}, |
7a9166e3b [PATCH] Fix undef... |
746 |
#endif |
0152fb376 [PATCH] s390: spi... |
747 |
#if defined(CONFIG_S390) && defined(CONFIG_SMP) |
951f22d5b [PATCH] s390: spi... |
748 |
{ |
951f22d5b [PATCH] s390: spi... |
749 750 751 752 |
.procname = "spin_retry", .data = &spin_retry, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
753 |
.proc_handler = proc_dointvec, |
951f22d5b [PATCH] s390: spi... |
754 755 |
}, #endif |
673d5b43d ACPI: restore CON... |
756 |
#if defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86) |
c255d844d [PATCH] suspend-t... |
757 |
{ |
c255d844d [PATCH] suspend-t... |
758 |
.procname = "acpi_video_flags", |
77afcf78a PM: Integrate bee... |
759 |
.data = &acpi_realmode_flags, |
c255d844d [PATCH] suspend-t... |
760 761 |
.maxlen = sizeof (unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
762 |
.proc_handler = proc_doulongvec_minmax, |
c255d844d [PATCH] suspend-t... |
763 764 |
}, #endif |
d2b176ed8 [IA64] sysctl opt... |
765 766 |
#ifdef CONFIG_IA64 { |
d2b176ed8 [IA64] sysctl opt... |
767 768 769 770 |
.procname = "ignore-unaligned-usertrap", .data = &no_unaligned_warning, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
771 |
.proc_handler = proc_dointvec, |
d2b176ed8 [IA64] sysctl opt... |
772 |
}, |
88fc241f5 [IA64] dump stack... |
773 |
{ |
88fc241f5 [IA64] dump stack... |
774 775 776 777 |
.procname = "unaligned-dump-stack", .data = &unaligned_dump_stack, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
778 |
.proc_handler = proc_dointvec, |
88fc241f5 [IA64] dump stack... |
779 |
}, |
d2b176ed8 [IA64] sysctl opt... |
780 |
#endif |
c4f3b63fe softlockup: add a... |
781 782 |
#ifdef CONFIG_DETECT_SOFTLOCKUP { |
9c44bc03f softlockup: allow... |
783 784 785 786 |
.procname = "softlockup_panic", .data = &softlockup_panic, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
787 |
.proc_handler = proc_dointvec_minmax, |
9c44bc03f softlockup: allow... |
788 789 790 791 |
.extra1 = &zero, .extra2 = &one, }, { |
c4f3b63fe softlockup: add a... |
792 793 |
.procname = "softlockup_thresh", .data = &softlockup_thresh, |
9383d9679 softlockup: fix s... |
794 |
.maxlen = sizeof(int), |
c4f3b63fe softlockup: add a... |
795 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
796 |
.proc_handler = proc_dosoftlockup_thresh, |
9383d9679 softlockup: fix s... |
797 |
.extra1 = &neg_one, |
c4f3b63fe softlockup: add a... |
798 799 |
.extra2 = &sixty, }, |
e162b39a3 softlockup: decou... |
800 801 802 |
#endif #ifdef CONFIG_DETECT_HUNG_TASK { |
e162b39a3 softlockup: decou... |
803 804 805 806 |
.procname = "hung_task_panic", .data = &sysctl_hung_task_panic, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
807 |
.proc_handler = proc_dointvec_minmax, |
e162b39a3 softlockup: decou... |
808 809 810 |
.extra1 = &zero, .extra2 = &one, }, |
82a1fcb90 softlockup: autom... |
811 |
{ |
82a1fcb90 softlockup: autom... |
812 813 |
.procname = "hung_task_check_count", .data = &sysctl_hung_task_check_count, |
90739081e softlockup: fix s... |
814 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
815 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
816 |
.proc_handler = proc_doulongvec_minmax, |
82a1fcb90 softlockup: autom... |
817 818 |
}, { |
82a1fcb90 softlockup: autom... |
819 820 |
.procname = "hung_task_timeout_secs", .data = &sysctl_hung_task_timeout_secs, |
90739081e softlockup: fix s... |
821 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
822 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
823 |
.proc_handler = proc_dohung_task_timeout_secs, |
82a1fcb90 softlockup: autom... |
824 825 |
}, { |
82a1fcb90 softlockup: autom... |
826 827 |
.procname = "hung_task_warnings", .data = &sysctl_hung_task_warnings, |
90739081e softlockup: fix s... |
828 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
829 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
830 |
.proc_handler = proc_doulongvec_minmax, |
82a1fcb90 softlockup: autom... |
831 |
}, |
c4f3b63fe softlockup: add a... |
832 |
#endif |
bebfa1013 [PATCH] x86_64: A... |
833 834 |
#ifdef CONFIG_COMPAT { |
bebfa1013 [PATCH] x86_64: A... |
835 836 837 838 |
.procname = "compat-log", .data = &compat_log, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
839 |
.proc_handler = proc_dointvec, |
bebfa1013 [PATCH] x86_64: A... |
840 841 |
}, #endif |
23f78d4a0 [PATCH] pi-futex:... |
842 843 |
#ifdef CONFIG_RT_MUTEXES { |
23f78d4a0 [PATCH] pi-futex:... |
844 845 846 847 |
.procname = "max_lock_depth", .data = &max_lock_depth, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
848 |
.proc_handler = proc_dointvec, |
23f78d4a0 [PATCH] pi-futex:... |
849 850 |
}, #endif |
10a0a8d4e Add common orderl... |
851 |
{ |
10a0a8d4e Add common orderl... |
852 853 854 855 |
.procname = "poweroff_cmd", .data = &poweroff_cmd, .maxlen = POWEROFF_CMD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
856 |
.proc_handler = proc_dostring, |
10a0a8d4e Add common orderl... |
857 |
}, |
0b77f5bfb keys: make the ke... |
858 859 |
#ifdef CONFIG_KEYS { |
0b77f5bfb keys: make the ke... |
860 861 862 863 864 |
.procname = "keys", .mode = 0555, .child = key_sysctls, }, #endif |
31a72bce0 rcu: make rcutort... |
865 866 |
#ifdef CONFIG_RCU_TORTURE_TEST { |
31a72bce0 rcu: make rcutort... |
867 868 869 870 |
.procname = "rcutorture_runnable", .data = &rcutorture_runnable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
871 |
.proc_handler = proc_dointvec, |
31a72bce0 rcu: make rcutort... |
872 873 |
}, #endif |
12e22c5e4 Make the slow wor... |
874 875 |
#ifdef CONFIG_SLOW_WORK { |
12e22c5e4 Make the slow wor... |
876 877 878 879 880 |
.procname = "slow-work", .mode = 0555, .child = slow_work_sysctls, }, #endif |
cdd6c482c perf: Do the big ... |
881 |
#ifdef CONFIG_PERF_EVENTS |
1ccd15497 perf_counter: sys... |
882 |
{ |
cdd6c482c perf: Do the big ... |
883 884 885 |
.procname = "perf_event_paranoid", .data = &sysctl_perf_event_paranoid, .maxlen = sizeof(sysctl_perf_event_paranoid), |
1ccd15497 perf_counter: sys... |
886 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
887 |
.proc_handler = proc_dointvec, |
1ccd15497 perf_counter: sys... |
888 |
}, |
c5078f78b perf_counter: pro... |
889 |
{ |
cdd6c482c perf: Do the big ... |
890 891 892 |
.procname = "perf_event_mlock_kb", .data = &sysctl_perf_event_mlock, .maxlen = sizeof(sysctl_perf_event_mlock), |
c5078f78b perf_counter: pro... |
893 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
894 |
.proc_handler = proc_dointvec, |
c5078f78b perf_counter: pro... |
895 |
}, |
a78ac3258 perf_counter: Gen... |
896 |
{ |
cdd6c482c perf: Do the big ... |
897 898 899 |
.procname = "perf_event_max_sample_rate", .data = &sysctl_perf_event_sample_rate, .maxlen = sizeof(sysctl_perf_event_sample_rate), |
a78ac3258 perf_counter: Gen... |
900 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
901 |
.proc_handler = proc_dointvec, |
a78ac3258 perf_counter: Gen... |
902 |
}, |
1ccd15497 perf_counter: sys... |
903 |
#endif |
dfec072ec kmemcheck: add th... |
904 905 |
#ifdef CONFIG_KMEMCHECK { |
dfec072ec kmemcheck: add th... |
906 907 908 909 |
.procname = "kmemcheck", .data = &kmemcheck_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
910 |
.proc_handler = proc_dointvec, |
dfec072ec kmemcheck: add th... |
911 912 |
}, #endif |
cb684b5bc block: fix linkag... |
913 |
#ifdef CONFIG_BLOCK |
5e605b64a block: add blk-io... |
914 |
{ |
5e605b64a block: add blk-io... |
915 916 917 918 |
.procname = "blk_iopoll", .data = &blk_iopoll_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
919 |
.proc_handler = proc_dointvec, |
5e605b64a block: add blk-io... |
920 |
}, |
cb684b5bc block: fix linkag... |
921 |
#endif |
ed2c12f32 kernel/sysctl.c: ... |
922 923 924 925 |
/* * NOTE: do not add new entries to this table unless you have read * Documentation/sysctl/ctl_unnumbered.txt */ |
6fce56ec9 sysctl: Remove re... |
926 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
927 |
}; |
d8217f076 sysctl core: Stop... |
928 |
static struct ctl_table vm_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
929 |
{ |
1da177e4c Linux-2.6.12-rc2 |
930 931 932 933 |
.procname = "overcommit_memory", .data = &sysctl_overcommit_memory, .maxlen = sizeof(sysctl_overcommit_memory), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
934 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
935 936 |
}, { |
fadd8fbd1 [PATCH] support f... |
937 938 939 940 |
.procname = "panic_on_oom", .data = &sysctl_panic_on_oom, .maxlen = sizeof(sysctl_panic_on_oom), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
941 |
.proc_handler = proc_dointvec, |
fadd8fbd1 [PATCH] support f... |
942 943 |
}, { |
fe071d7e8 oom: add oom_kill... |
944 945 946 947 |
.procname = "oom_kill_allocating_task", .data = &sysctl_oom_kill_allocating_task, .maxlen = sizeof(sysctl_oom_kill_allocating_task), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
948 |
.proc_handler = proc_dointvec, |
fe071d7e8 oom: add oom_kill... |
949 950 |
}, { |
fef1bdd68 oom: add sysctl t... |
951 952 953 954 |
.procname = "oom_dump_tasks", .data = &sysctl_oom_dump_tasks, .maxlen = sizeof(sysctl_oom_dump_tasks), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
955 |
.proc_handler = proc_dointvec, |
fef1bdd68 oom: add sysctl t... |
956 957 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
958 959 960 961 |
.procname = "overcommit_ratio", .data = &sysctl_overcommit_ratio, .maxlen = sizeof(sysctl_overcommit_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
962 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
963 964 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
965 966 967 968 |
.procname = "page-cluster", .data = &page_cluster, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
969 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
970 971 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
972 973 974 975 |
.procname = "dirty_background_ratio", .data = &dirty_background_ratio, .maxlen = sizeof(dirty_background_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
976 |
.proc_handler = dirty_background_ratio_handler, |
1da177e4c Linux-2.6.12-rc2 |
977 978 979 980 |
.extra1 = &zero, .extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
981 982 983 984 |
.procname = "dirty_background_bytes", .data = &dirty_background_bytes, .maxlen = sizeof(dirty_background_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
985 |
.proc_handler = dirty_background_bytes_handler, |
fc3501d41 mm: fix dirty_byt... |
986 |
.extra1 = &one_ul, |
2da02997e mm: add dirty_bac... |
987 988 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
989 990 991 992 |
.procname = "dirty_ratio", .data = &vm_dirty_ratio, .maxlen = sizeof(vm_dirty_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
993 |
.proc_handler = dirty_ratio_handler, |
1da177e4c Linux-2.6.12-rc2 |
994 995 996 997 |
.extra1 = &zero, .extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
998 999 1000 1001 |
.procname = "dirty_bytes", .data = &vm_dirty_bytes, .maxlen = sizeof(vm_dirty_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1002 |
.proc_handler = dirty_bytes_handler, |
9e4a5bda8 mm: prevent divid... |
1003 |
.extra1 = &dirty_bytes_min, |
2da02997e mm: add dirty_bac... |
1004 1005 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1006 |
.procname = "dirty_writeback_centisecs", |
f6ef94381 [PATCH] Represent... |
1007 1008 |
.data = &dirty_writeback_interval, .maxlen = sizeof(dirty_writeback_interval), |
1da177e4c Linux-2.6.12-rc2 |
1009 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1010 |
.proc_handler = dirty_writeback_centisecs_handler, |
1da177e4c Linux-2.6.12-rc2 |
1011 1012 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1013 |
.procname = "dirty_expire_centisecs", |
f6ef94381 [PATCH] Represent... |
1014 1015 |
.data = &dirty_expire_interval, .maxlen = sizeof(dirty_expire_interval), |
1da177e4c Linux-2.6.12-rc2 |
1016 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1017 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1018 1019 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1020 1021 1022 1023 |
.procname = "nr_pdflush_threads", .data = &nr_pdflush_threads, .maxlen = sizeof nr_pdflush_threads, .mode = 0444 /* read-only*/, |
6d4561110 sysctl: Drop & in... |
1024 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1025 1026 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1027 1028 1029 1030 |
.procname = "swappiness", .data = &vm_swappiness, .maxlen = sizeof(vm_swappiness), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1031 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1032 1033 1034 1035 |
.extra1 = &zero, .extra2 = &one_hundred, }, #ifdef CONFIG_HUGETLB_PAGE |
06808b082 hugetlb: derive h... |
1036 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1037 |
.procname = "nr_hugepages", |
e5ff21594 hugetlb: multiple... |
1038 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
1039 1040 |
.maxlen = sizeof(unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1041 |
.proc_handler = hugetlb_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1042 1043 |
.extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, |
06808b082 hugetlb: derive h... |
1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 |
}, #ifdef CONFIG_NUMA { .procname = "nr_hugepages_mempolicy", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = &hugetlb_mempolicy_sysctl_handler, .extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, }, #endif |
1da177e4c Linux-2.6.12-rc2 |
1056 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1057 1058 1059 1060 |
.procname = "hugetlb_shm_group", .data = &sysctl_hugetlb_shm_group, .maxlen = sizeof(gid_t), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1061 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1062 |
}, |
396faf030 Allow huge page a... |
1063 |
{ |
396faf030 Allow huge page a... |
1064 1065 1066 1067 |
.procname = "hugepages_treat_as_movable", .data = &hugepages_treat_as_movable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1068 |
.proc_handler = hugetlb_treat_movable_handler, |
396faf030 Allow huge page a... |
1069 |
}, |
54f9f80d6 hugetlb: Add huge... |
1070 |
{ |
d1c3fb1f8 hugetlb: introduc... |
1071 |
.procname = "nr_overcommit_hugepages", |
e5ff21594 hugetlb: multiple... |
1072 1073 |
.data = NULL, .maxlen = sizeof(unsigned long), |
d1c3fb1f8 hugetlb: introduc... |
1074 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1075 |
.proc_handler = hugetlb_overcommit_handler, |
e5ff21594 hugetlb: multiple... |
1076 1077 |
.extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, |
d1c3fb1f8 hugetlb: introduc... |
1078 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1079 1080 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1081 1082 1083 1084 |
.procname = "lowmem_reserve_ratio", .data = &sysctl_lowmem_reserve_ratio, .maxlen = sizeof(sysctl_lowmem_reserve_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1085 |
.proc_handler = lowmem_reserve_ratio_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1086 1087 |
}, { |
9d0243bca [PATCH] drop-page... |
1088 1089 1090 1091 1092 |
.procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), .mode = 0644, .proc_handler = drop_caches_sysctl_handler, |
9d0243bca [PATCH] drop-page... |
1093 1094 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1095 1096 1097 1098 |
.procname = "min_free_kbytes", .data = &min_free_kbytes, .maxlen = sizeof(min_free_kbytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1099 |
.proc_handler = min_free_kbytes_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1100 1101 |
.extra1 = &zero, }, |
8ad4b1fb8 [PATCH] Make high... |
1102 |
{ |
8ad4b1fb8 [PATCH] Make high... |
1103 1104 1105 1106 |
.procname = "percpu_pagelist_fraction", .data = &percpu_pagelist_fraction, .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1107 |
.proc_handler = percpu_pagelist_fraction_sysctl_handler, |
8ad4b1fb8 [PATCH] Make high... |
1108 1109 |
.extra1 = &min_percpu_pagelist_fract, }, |
1da177e4c Linux-2.6.12-rc2 |
1110 1111 |
#ifdef CONFIG_MMU { |
1da177e4c Linux-2.6.12-rc2 |
1112 1113 1114 1115 |
.procname = "max_map_count", .data = &sysctl_max_map_count, .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, |
3e26120cc kernel/sysctl.c: ... |
1116 |
.proc_handler = proc_dointvec_minmax, |
70da2340f 'sysctl_max_map_c... |
1117 |
.extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1118 |
}, |
dd8632a12 NOMMU: Make mmap ... |
1119 1120 |
#else { |
dd8632a12 NOMMU: Make mmap ... |
1121 1122 1123 1124 |
.procname = "nr_trim_pages", .data = &sysctl_nr_trim_pages, .maxlen = sizeof(sysctl_nr_trim_pages), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1125 |
.proc_handler = proc_dointvec_minmax, |
dd8632a12 NOMMU: Make mmap ... |
1126 1127 |
.extra1 = &zero, }, |
1da177e4c Linux-2.6.12-rc2 |
1128 1129 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1130 1131 1132 1133 |
.procname = "laptop_mode", .data = &laptop_mode, .maxlen = sizeof(laptop_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1134 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
1135 1136 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1137 1138 1139 1140 |
.procname = "block_dump", .data = &block_dump, .maxlen = sizeof(block_dump), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1141 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1142 1143 1144 |
.extra1 = &zero, }, { |
1da177e4c Linux-2.6.12-rc2 |
1145 1146 1147 1148 |
.procname = "vfs_cache_pressure", .data = &sysctl_vfs_cache_pressure, .maxlen = sizeof(sysctl_vfs_cache_pressure), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1149 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1150 1151 1152 1153 |
.extra1 = &zero, }, #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT { |
1da177e4c Linux-2.6.12-rc2 |
1154 1155 1156 1157 |
.procname = "legacy_va_layout", .data = &sysctl_legacy_va_layout, .maxlen = sizeof(sysctl_legacy_va_layout), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1158 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1159 1160 1161 |
.extra1 = &zero, }, #endif |
1743660b9 [PATCH] Zone recl... |
1162 1163 |
#ifdef CONFIG_NUMA { |
1743660b9 [PATCH] Zone recl... |
1164 1165 1166 1167 |
.procname = "zone_reclaim_mode", .data = &zone_reclaim_mode, .maxlen = sizeof(zone_reclaim_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1168 |
.proc_handler = proc_dointvec, |
c84db23c6 [PATCH] zone_recl... |
1169 |
.extra1 = &zero, |
1743660b9 [PATCH] Zone recl... |
1170 |
}, |
9614634fe [PATCH] ZVC/zone_... |
1171 |
{ |
9614634fe [PATCH] ZVC/zone_... |
1172 1173 1174 1175 |
.procname = "min_unmapped_ratio", .data = &sysctl_min_unmapped_ratio, .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1176 |
.proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, |
9614634fe [PATCH] ZVC/zone_... |
1177 1178 1179 |
.extra1 = &zero, .extra2 = &one_hundred, }, |
0ff38490c [PATCH] zone_recl... |
1180 |
{ |
0ff38490c [PATCH] zone_recl... |
1181 1182 1183 1184 |
.procname = "min_slab_ratio", .data = &sysctl_min_slab_ratio, .maxlen = sizeof(sysctl_min_slab_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1185 |
.proc_handler = sysctl_min_slab_ratio_sysctl_handler, |
0ff38490c [PATCH] zone_recl... |
1186 1187 1188 |
.extra1 = &zero, .extra2 = &one_hundred, }, |
1743660b9 [PATCH] Zone recl... |
1189 |
#endif |
77461ab33 Make vm statistic... |
1190 1191 |
#ifdef CONFIG_SMP { |
77461ab33 Make vm statistic... |
1192 1193 1194 1195 |
.procname = "stat_interval", .data = &sysctl_stat_interval, .maxlen = sizeof(sysctl_stat_interval), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1196 |
.proc_handler = proc_dointvec_jiffies, |
77461ab33 Make vm statistic... |
1197 1198 |
}, #endif |
6e1415467 NOMMU: Optimise a... |
1199 |
#ifdef CONFIG_MMU |
ed0321895 security: Protect... |
1200 |
{ |
ed0321895 security: Protect... |
1201 |
.procname = "mmap_min_addr", |
788084aba Security/SELinux:... |
1202 1203 |
.data = &dac_mmap_min_addr, .maxlen = sizeof(unsigned long), |
ed0321895 security: Protect... |
1204 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1205 |
.proc_handler = mmap_min_addr_handler, |
ed0321895 security: Protect... |
1206 |
}, |
6e1415467 NOMMU: Optimise a... |
1207 |
#endif |
f0c0b2b80 change zonelist o... |
1208 1209 |
#ifdef CONFIG_NUMA { |
f0c0b2b80 change zonelist o... |
1210 1211 1212 1213 |
.procname = "numa_zonelist_order", .data = &numa_zonelist_order, .maxlen = NUMA_ZONELIST_ORDER_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1214 |
.proc_handler = numa_zonelist_order_handler, |
f0c0b2b80 change zonelist o... |
1215 1216 |
}, #endif |
2b8232ce5 minimal build fix... |
1217 |
#if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ |
5c36e6578 sysctl: Support v... |
1218 |
(defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) |
e6e5494cb [PATCH] vdso: ran... |
1219 |
{ |
e6e5494cb [PATCH] vdso: ran... |
1220 1221 1222 1223 |
.procname = "vdso_enabled", .data = &vdso_enabled, .maxlen = sizeof(vdso_enabled), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1224 |
.proc_handler = proc_dointvec, |
e6e5494cb [PATCH] vdso: ran... |
1225 1226 1227 |
.extra1 = &zero, }, #endif |
195cf453d mm/page-writeback... |
1228 1229 |
#ifdef CONFIG_HIGHMEM { |
195cf453d mm/page-writeback... |
1230 1231 1232 1233 |
.procname = "highmem_is_dirtyable", .data = &vm_highmem_is_dirtyable, .maxlen = sizeof(vm_highmem_is_dirtyable), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1234 |
.proc_handler = proc_dointvec_minmax, |
195cf453d mm/page-writeback... |
1235 1236 1237 1238 |
.extra1 = &zero, .extra2 = &one, }, #endif |
4be6f6bb6 mm: move the scan... |
1239 |
{ |
4be6f6bb6 mm: move the scan... |
1240 1241 1242 1243 |
.procname = "scan_unevictable_pages", .data = &scan_unevictable_pages, .maxlen = sizeof(scan_unevictable_pages), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1244 |
.proc_handler = scan_unevictable_handler, |
4be6f6bb6 mm: move the scan... |
1245 |
}, |
6a46079cf HWPOISON: The hig... |
1246 1247 |
#ifdef CONFIG_MEMORY_FAILURE { |
6a46079cf HWPOISON: The hig... |
1248 1249 1250 1251 |
.procname = "memory_failure_early_kill", .data = &sysctl_memory_failure_early_kill, .maxlen = sizeof(sysctl_memory_failure_early_kill), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1252 |
.proc_handler = proc_dointvec_minmax, |
6a46079cf HWPOISON: The hig... |
1253 1254 1255 1256 |
.extra1 = &zero, .extra2 = &one, }, { |
6a46079cf HWPOISON: The hig... |
1257 1258 1259 1260 |
.procname = "memory_failure_recovery", .data = &sysctl_memory_failure_recovery, .maxlen = sizeof(sysctl_memory_failure_recovery), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1261 |
.proc_handler = proc_dointvec_minmax, |
6a46079cf HWPOISON: The hig... |
1262 1263 1264 1265 |
.extra1 = &zero, .extra2 = &one, }, #endif |
2be7fe075 sysctl.c: add tex... |
1266 1267 1268 1269 |
/* * NOTE: do not add new entries to this table unless you have read * Documentation/sysctl/ctl_unnumbered.txt */ |
6fce56ec9 sysctl: Remove re... |
1270 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1271 |
}; |
2abc26fc6 [PATCH] sysctl: c... |
1272 |
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) |
d8217f076 sysctl core: Stop... |
1273 |
static struct ctl_table binfmt_misc_table[] = { |
6fce56ec9 sysctl: Remove re... |
1274 |
{ } |
2abc26fc6 [PATCH] sysctl: c... |
1275 1276 |
}; #endif |
d8217f076 sysctl core: Stop... |
1277 |
static struct ctl_table fs_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1278 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1279 1280 1281 1282 |
.procname = "inode-nr", .data = &inodes_stat, .maxlen = 2*sizeof(int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1283 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1284 1285 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1286 1287 1288 1289 |
.procname = "inode-state", .data = &inodes_stat, .maxlen = 7*sizeof(int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1290 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1291 1292 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1293 1294 1295 1296 |
.procname = "file-nr", .data = &files_stat, .maxlen = 3*sizeof(int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1297 |
.proc_handler = proc_nr_files, |
1da177e4c Linux-2.6.12-rc2 |
1298 1299 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1300 1301 1302 1303 |
.procname = "file-max", .data = &files_stat.max_files, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1304 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1305 1306 |
}, { |
9cfe015aa get rid of NR_OPE... |
1307 1308 1309 1310 |
.procname = "nr_open", .data = &sysctl_nr_open, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1311 |
.proc_handler = proc_dointvec_minmax, |
eceea0b3d [PATCH] avoid mul... |
1312 1313 |
.extra1 = &sysctl_nr_open_min, .extra2 = &sysctl_nr_open_max, |
9cfe015aa get rid of NR_OPE... |
1314 1315 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1316 1317 1318 1319 |
.procname = "dentry-state", .data = &dentry_stat, .maxlen = 6*sizeof(int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1320 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1321 1322 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1323 1324 1325 1326 |
.procname = "overflowuid", .data = &fs_overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1327 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1328 1329 1330 1331 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
1332 1333 1334 1335 |
.procname = "overflowgid", .data = &fs_overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1336 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1337 1338 1339 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
bfcd17a6c Configure out fil... |
1340 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1341 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1342 1343 1344 1345 |
.procname = "leases-enable", .data = &leases_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1346 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1347 |
}, |
bfcd17a6c Configure out fil... |
1348 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
1349 1350 |
#ifdef CONFIG_DNOTIFY { |
1da177e4c Linux-2.6.12-rc2 |
1351 1352 1353 1354 |
.procname = "dir-notify-enable", .data = &dir_notify_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1355 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1356 1357 1358 |
}, #endif #ifdef CONFIG_MMU |
bfcd17a6c Configure out fil... |
1359 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1360 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1361 1362 1363 1364 |
.procname = "lease-break-time", .data = &lease_break_time, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1365 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1366 |
}, |
bfcd17a6c Configure out fil... |
1367 |
#endif |
ebf3f09c6 Configure out AIO... |
1368 |
#ifdef CONFIG_AIO |
1da177e4c Linux-2.6.12-rc2 |
1369 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1370 1371 1372 1373 |
.procname = "aio-nr", .data = &aio_nr, .maxlen = sizeof(aio_nr), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1374 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1375 1376 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1377 1378 1379 1380 |
.procname = "aio-max-nr", .data = &aio_max_nr, .maxlen = sizeof(aio_max_nr), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1381 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1382 |
}, |
ebf3f09c6 Configure out AIO... |
1383 |
#endif /* CONFIG_AIO */ |
2d9048e20 [PATCH] inotify (... |
1384 |
#ifdef CONFIG_INOTIFY_USER |
0399cb08c [PATCH] inotify: ... |
1385 |
{ |
0399cb08c [PATCH] inotify: ... |
1386 1387 1388 1389 1390 |
.procname = "inotify", .mode = 0555, .child = inotify_table, }, #endif |
7ef9964e6 epoll: introduce ... |
1391 1392 1393 1394 1395 1396 1397 |
#ifdef CONFIG_EPOLL { .procname = "epoll", .mode = 0555, .child = epoll_table, }, #endif |
1da177e4c Linux-2.6.12-rc2 |
1398 |
#endif |
d6e711448 [PATCH] setuid co... |
1399 |
{ |
d6e711448 [PATCH] setuid co... |
1400 1401 1402 1403 |
.procname = "suid_dumpable", .data = &suid_dumpable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1404 |
.proc_handler = proc_dointvec_minmax, |
8e654fba4 sysctl: fix suid_... |
1405 1406 |
.extra1 = &zero, .extra2 = &two, |
d6e711448 [PATCH] setuid co... |
1407 |
}, |
2abc26fc6 [PATCH] sysctl: c... |
1408 1409 |
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) { |
2abc26fc6 [PATCH] sysctl: c... |
1410 1411 1412 1413 1414 |
.procname = "binfmt_misc", .mode = 0555, .child = binfmt_misc_table, }, #endif |
2be7fe075 sysctl.c: add tex... |
1415 1416 1417 |
/* * NOTE: do not add new entries to this table unless you have read * Documentation/sysctl/ctl_unnumbered.txt |
2be7fe075 sysctl.c: add tex... |
1418 |
*/ |
6fce56ec9 sysctl: Remove re... |
1419 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1420 |
}; |
d8217f076 sysctl core: Stop... |
1421 |
static struct ctl_table debug_table[] = { |
4b1776473 sparc: Support sh... |
1422 |
#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) |
abd4f7505 x86: i386-show-un... |
1423 |
{ |
abd4f7505 x86: i386-show-un... |
1424 1425 1426 1427 1428 1429 1430 |
.procname = "exception-trace", .data = &show_unhandled_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec }, #endif |
b2be84df9 kprobes: Jump opt... |
1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 |
#if defined(CONFIG_OPTPROBES) { .procname = "kprobes-optimization", .data = &sysctl_kprobes_optimization, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_kprobes_optimization_handler, .extra1 = &zero, .extra2 = &one, }, #endif |
6fce56ec9 sysctl: Remove re... |
1442 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1443 |
}; |
d8217f076 sysctl core: Stop... |
1444 |
static struct ctl_table dev_table[] = { |
6fce56ec9 sysctl: Remove re... |
1445 |
{ } |
0eeca2830 [PATCH] inotify |
1446 |
}; |
1da177e4c Linux-2.6.12-rc2 |
1447 |
|
330d57fb9 [PATCH] Fix sysct... |
1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 |
static DEFINE_SPINLOCK(sysctl_lock); /* called under sysctl_lock */ static int use_table(struct ctl_table_header *p) { if (unlikely(p->unregistering)) return 0; p->used++; return 1; } /* called under sysctl_lock */ static void unuse_table(struct ctl_table_header *p) { if (!--p->used) if (unlikely(p->unregistering)) complete(p->unregistering); } /* called under sysctl_lock, will reacquire if has to wait */ static void start_unregistering(struct ctl_table_header *p) { /* * if p->used is 0, nobody will ever touch that entry again; * we'll eliminate all paths to it before dropping sysctl_lock */ if (unlikely(p->used)) { struct completion wait; init_completion(&wait); p->unregistering = &wait; spin_unlock(&sysctl_lock); wait_for_completion(&wait); spin_lock(&sysctl_lock); |
f7e6ced40 [PATCH] allow del... |
1481 1482 1483 |
} else { /* anything non-NULL; we'll never dereference it */ p->unregistering = ERR_PTR(-EINVAL); |
330d57fb9 [PATCH] Fix sysct... |
1484 1485 1486 1487 1488 1489 1490 |
} /* * do not remove from the list until nobody holds it; walking the * list in do_sysctl() relies on that. */ list_del_init(&p->ctl_entry); } |
f7e6ced40 [PATCH] allow del... |
1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 |
void sysctl_head_get(struct ctl_table_header *head) { spin_lock(&sysctl_lock); head->count++; spin_unlock(&sysctl_lock); } void sysctl_head_put(struct ctl_table_header *head) { spin_lock(&sysctl_lock); if (!--head->count) kfree(head); spin_unlock(&sysctl_lock); } struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head) { if (!head) BUG(); spin_lock(&sysctl_lock); if (!use_table(head)) head = ERR_PTR(-ENOENT); spin_unlock(&sysctl_lock); return head; } |
805b5d5e0 [PATCH] sysctl: f... |
1516 1517 1518 1519 1520 1521 1522 1523 |
void sysctl_head_finish(struct ctl_table_header *head) { if (!head) return; spin_lock(&sysctl_lock); unuse_table(head); spin_unlock(&sysctl_lock); } |
734550921 [PATCH] beginning... |
1524 1525 1526 1527 1528 1529 1530 1531 |
static struct ctl_table_set * lookup_header_set(struct ctl_table_root *root, struct nsproxy *namespaces) { struct ctl_table_set *set = &root->default_set; if (root->lookup) set = root->lookup(root, namespaces); return set; } |
e51b6ba07 sysctl: Infrastru... |
1532 1533 |
static struct list_head * lookup_header_list(struct ctl_table_root *root, struct nsproxy *namespaces) |
805b5d5e0 [PATCH] sysctl: f... |
1534 |
{ |
734550921 [PATCH] beginning... |
1535 1536 |
struct ctl_table_set *set = lookup_header_set(root, namespaces); return &set->list; |
e51b6ba07 sysctl: Infrastru... |
1537 1538 1539 1540 1541 1542 1543 |
} struct ctl_table_header *__sysctl_head_next(struct nsproxy *namespaces, struct ctl_table_header *prev) { struct ctl_table_root *root; struct list_head *header_list; |
805b5d5e0 [PATCH] sysctl: f... |
1544 1545 |
struct ctl_table_header *head; struct list_head *tmp; |
e51b6ba07 sysctl: Infrastru... |
1546 |
|
805b5d5e0 [PATCH] sysctl: f... |
1547 1548 |
spin_lock(&sysctl_lock); if (prev) { |
e51b6ba07 sysctl: Infrastru... |
1549 |
head = prev; |
805b5d5e0 [PATCH] sysctl: f... |
1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 |
tmp = &prev->ctl_entry; unuse_table(prev); goto next; } tmp = &root_table_header.ctl_entry; for (;;) { head = list_entry(tmp, struct ctl_table_header, ctl_entry); if (!use_table(head)) goto next; spin_unlock(&sysctl_lock); return head; next: |
e51b6ba07 sysctl: Infrastru... |
1563 |
root = head->root; |
805b5d5e0 [PATCH] sysctl: f... |
1564 |
tmp = tmp->next; |
e51b6ba07 sysctl: Infrastru... |
1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 |
header_list = lookup_header_list(root, namespaces); if (tmp != header_list) continue; do { root = list_entry(root->root_list.next, struct ctl_table_root, root_list); if (root == &sysctl_table_root) goto out; header_list = lookup_header_list(root, namespaces); } while (list_empty(header_list)); tmp = header_list->next; |
805b5d5e0 [PATCH] sysctl: f... |
1577 |
} |
e51b6ba07 sysctl: Infrastru... |
1578 |
out: |
805b5d5e0 [PATCH] sysctl: f... |
1579 1580 1581 |
spin_unlock(&sysctl_lock); return NULL; } |
e51b6ba07 sysctl: Infrastru... |
1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 |
struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev) { return __sysctl_head_next(current->nsproxy, prev); } void register_sysctl_root(struct ctl_table_root *root) { spin_lock(&sysctl_lock); list_add_tail(&root->root_list, &sysctl_table_root.root_list); spin_unlock(&sysctl_lock); } |
1da177e4c Linux-2.6.12-rc2 |
1593 |
/* |
1ff007eb8 [PATCH] sysctl: a... |
1594 |
* sysctl_perm does NOT grant the superuser all rights automatically, because |
1da177e4c Linux-2.6.12-rc2 |
1595 1596 1597 1598 1599 |
* some sysctl variables are readonly even to root. */ static int test_perm(int mode, int op) { |
76aac0e9a CRED: Wrap task c... |
1600 |
if (!current_euid()) |
1da177e4c Linux-2.6.12-rc2 |
1601 1602 1603 |
mode >>= 6; else if (in_egroup_p(0)) mode >>= 3; |
e6305c43e [PATCH] sanitize ... |
1604 |
if ((op & ~mode & (MAY_READ|MAY_WRITE|MAY_EXEC)) == 0) |
1da177e4c Linux-2.6.12-rc2 |
1605 1606 1607 |
return 0; return -EACCES; } |
d7321cd62 sysctl: add the -... |
1608 |
int sysctl_perm(struct ctl_table_root *root, struct ctl_table *table, int op) |
1da177e4c Linux-2.6.12-rc2 |
1609 1610 |
{ int error; |
d7321cd62 sysctl: add the -... |
1611 |
int mode; |
e6305c43e [PATCH] sanitize ... |
1612 |
error = security_sysctl(table, op & (MAY_READ | MAY_WRITE | MAY_EXEC)); |
1da177e4c Linux-2.6.12-rc2 |
1613 1614 |
if (error) return error; |
d7321cd62 sysctl: add the -... |
1615 1616 1617 1618 1619 1620 1621 |
if (root->permissions) mode = root->permissions(root, current->nsproxy, table); else mode = table->mode; return test_perm(mode, op); |
1da177e4c Linux-2.6.12-rc2 |
1622 |
} |
d912b0cc1 [PATCH] sysctl: a... |
1623 1624 |
static void sysctl_set_parent(struct ctl_table *parent, struct ctl_table *table) { |
2315ffa0a sysctl: Don't loo... |
1625 |
for (; table->procname; table++) { |
d912b0cc1 [PATCH] sysctl: a... |
1626 1627 1628 1629 1630 1631 1632 1633 1634 |
table->parent = parent; if (table->child) sysctl_set_parent(table, table->child); } } static __init int sysctl_init(void) { sysctl_set_parent(NULL, root_table); |
88f458e4b sysctl: allow emb... |
1635 1636 1637 1638 1639 1640 |
#ifdef CONFIG_SYSCTL_SYSCALL_CHECK { int err; err = sysctl_check_table(current->nsproxy, root_table); } #endif |
d912b0cc1 [PATCH] sysctl: a... |
1641 1642 1643 1644 |
return 0; } core_initcall(sysctl_init); |
bfbcf0347 lost sysctl fix |
1645 1646 |
static struct ctl_table *is_branch_in(struct ctl_table *branch, struct ctl_table *table) |
ae7edecc9 [PATCH] sysctl: k... |
1647 1648 1649 1650 1651 1652 |
{ struct ctl_table *p; const char *s = branch->procname; /* branch should have named subdirectory as its first element */ if (!s || !branch->child) |
bfbcf0347 lost sysctl fix |
1653 |
return NULL; |
ae7edecc9 [PATCH] sysctl: k... |
1654 1655 |
/* ... and nothing else */ |
2315ffa0a sysctl: Don't loo... |
1656 |
if (branch[1].procname) |
bfbcf0347 lost sysctl fix |
1657 |
return NULL; |
ae7edecc9 [PATCH] sysctl: k... |
1658 1659 |
/* table should contain subdirectory with the same name */ |
2315ffa0a sysctl: Don't loo... |
1660 |
for (p = table; p->procname; p++) { |
ae7edecc9 [PATCH] sysctl: k... |
1661 1662 1663 |
if (!p->child) continue; if (p->procname && strcmp(p->procname, s) == 0) |
bfbcf0347 lost sysctl fix |
1664 |
return p; |
ae7edecc9 [PATCH] sysctl: k... |
1665 |
} |
bfbcf0347 lost sysctl fix |
1666 |
return NULL; |
ae7edecc9 [PATCH] sysctl: k... |
1667 1668 1669 1670 1671 1672 |
} /* see if attaching q to p would be an improvement */ static void try_attach(struct ctl_table_header *p, struct ctl_table_header *q) { struct ctl_table *to = p->ctl_table, *by = q->ctl_table; |
bfbcf0347 lost sysctl fix |
1673 |
struct ctl_table *next; |
ae7edecc9 [PATCH] sysctl: k... |
1674 1675 |
int is_better = 0; int not_in_parent = !p->attached_by; |
bfbcf0347 lost sysctl fix |
1676 |
while ((next = is_branch_in(by, to)) != NULL) { |
ae7edecc9 [PATCH] sysctl: k... |
1677 1678 1679 1680 1681 |
if (by == q->attached_by) is_better = 1; if (to == p->attached_by) not_in_parent = 1; by = by->child; |
bfbcf0347 lost sysctl fix |
1682 |
to = next->child; |
ae7edecc9 [PATCH] sysctl: k... |
1683 1684 1685 1686 1687 1688 1689 1690 |
} if (is_better && not_in_parent) { q->attached_by = by; q->attached_to = to; q->parent = p; } } |
1da177e4c Linux-2.6.12-rc2 |
1691 |
/** |
e51b6ba07 sysctl: Infrastru... |
1692 1693 1694 |
* __register_sysctl_paths - register a sysctl hierarchy * @root: List of sysctl headers to register on * @namespaces: Data to compute which lists of sysctl entries are visible |
29e796fd4 sysctl: Add regis... |
1695 |
* @path: The path to the directory the sysctl table is in. |
1da177e4c Linux-2.6.12-rc2 |
1696 |
* @table: the top-level table structure |
1da177e4c Linux-2.6.12-rc2 |
1697 1698 |
* * Register a sysctl table hierarchy. @table should be a filled in ctl_table |
29e796fd4 sysctl: Add regis... |
1699 |
* array. A completely 0 filled entry terminates the table. |
1da177e4c Linux-2.6.12-rc2 |
1700 |
* |
d8217f076 sysctl core: Stop... |
1701 |
* The members of the &struct ctl_table structure are used as follows: |
1da177e4c Linux-2.6.12-rc2 |
1702 |
* |
1da177e4c Linux-2.6.12-rc2 |
1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 |
* procname - the name of the sysctl file under /proc/sys. Set to %NULL to not * enter a sysctl file * * data - a pointer to data for use by proc_handler * * maxlen - the maximum size in bytes of the data * * mode - the file permissions for the /proc/sys file, and for sysctl(2) * * child - a pointer to the child sysctl table if this entry is a directory, or * %NULL. * * proc_handler - the text handler routine (described below) * |
1da177e4c Linux-2.6.12-rc2 |
1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 |
* de - for internal use by the sysctl routines * * extra1, extra2 - extra pointers usable by the proc handler routines * * Leaf nodes in the sysctl tree will be represented by a single file * under /proc; non-leaf nodes will be represented by directories. * * sysctl(2) can automatically manage read and write requests through * the sysctl table. The data and maxlen fields of the ctl_table * struct enable minimal validation of the values being written to be * performed, and the mode field allows minimal authentication. * |
1da177e4c Linux-2.6.12-rc2 |
1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 |
* There must be a proc_handler routine for any terminal nodes * mirrored under /proc/sys (non-terminals are handled by a built-in * directory handler). Several default handlers are available to * cover common cases - * * proc_dostring(), proc_dointvec(), proc_dointvec_jiffies(), * proc_dointvec_userhz_jiffies(), proc_dointvec_minmax(), * proc_doulongvec_ms_jiffies_minmax(), proc_doulongvec_minmax() * * It is the handler's job to read the input buffer from user memory * and process it. The handler should return 0 on success. * * This routine returns %NULL on a failure to register, and a pointer * to the table header on success. */ |
e51b6ba07 sysctl: Infrastru... |
1744 1745 1746 1747 |
struct ctl_table_header *__register_sysctl_paths( struct ctl_table_root *root, struct nsproxy *namespaces, const struct ctl_path *path, struct ctl_table *table) |
1da177e4c Linux-2.6.12-rc2 |
1748 |
{ |
29e796fd4 sysctl: Add regis... |
1749 1750 1751 |
struct ctl_table_header *header; struct ctl_table *new, **prevp; unsigned int n, npath; |
ae7edecc9 [PATCH] sysctl: k... |
1752 |
struct ctl_table_set *set; |
29e796fd4 sysctl: Add regis... |
1753 1754 |
/* Count the path components */ |
2315ffa0a sysctl: Don't loo... |
1755 |
for (npath = 0; path[npath].procname; ++npath) |
29e796fd4 sysctl: Add regis... |
1756 1757 1758 1759 1760 |
; /* * For each path component, allocate a 2-element ctl_table array. * The first array element will be filled with the sysctl entry |
2315ffa0a sysctl: Don't loo... |
1761 |
* for this, the second will be the sentinel (procname == 0). |
29e796fd4 sysctl: Add regis... |
1762 1763 1764 1765 1766 1767 1768 |
* * We allocate everything in one go so that we don't have to * worry about freeing additional memory in unregister_sysctl_table. */ header = kzalloc(sizeof(struct ctl_table_header) + (2 * npath * sizeof(struct ctl_table)), GFP_KERNEL); if (!header) |
1da177e4c Linux-2.6.12-rc2 |
1769 |
return NULL; |
29e796fd4 sysctl: Add regis... |
1770 1771 1772 1773 1774 1775 1776 1777 |
new = (struct ctl_table *) (header + 1); /* Now connect the dots */ prevp = &header->ctl_table; for (n = 0; n < npath; ++n, ++path) { /* Copy the procname */ new->procname = path->procname; |
29e796fd4 sysctl: Add regis... |
1778 1779 1780 1781 1782 1783 1784 1785 |
new->mode = 0555; *prevp = new; prevp = &new->child; new += 2; } *prevp = table; |
23eb06de7 sysctl: Remember ... |
1786 |
header->ctl_table_arg = table; |
29e796fd4 sysctl: Add regis... |
1787 1788 1789 1790 |
INIT_LIST_HEAD(&header->ctl_entry); header->used = 0; header->unregistering = NULL; |
e51b6ba07 sysctl: Infrastru... |
1791 |
header->root = root; |
29e796fd4 sysctl: Add regis... |
1792 |
sysctl_set_parent(NULL, header->ctl_table); |
f7e6ced40 [PATCH] allow del... |
1793 |
header->count = 1; |
88f458e4b sysctl: allow emb... |
1794 |
#ifdef CONFIG_SYSCTL_SYSCALL_CHECK |
e51b6ba07 sysctl: Infrastru... |
1795 |
if (sysctl_check_table(namespaces, header->ctl_table)) { |
29e796fd4 sysctl: Add regis... |
1796 |
kfree(header); |
fc6cd25b7 sysctl: Error on ... |
1797 1798 |
return NULL; } |
88f458e4b sysctl: allow emb... |
1799 |
#endif |
330d57fb9 [PATCH] Fix sysct... |
1800 |
spin_lock(&sysctl_lock); |
734550921 [PATCH] beginning... |
1801 |
header->set = lookup_header_set(root, namespaces); |
ae7edecc9 [PATCH] sysctl: k... |
1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 |
header->attached_by = header->ctl_table; header->attached_to = root_table; header->parent = &root_table_header; for (set = header->set; set; set = set->parent) { struct ctl_table_header *p; list_for_each_entry(p, &set->list, ctl_entry) { if (p->unregistering) continue; try_attach(p, header); } } header->parent->count++; |
734550921 [PATCH] beginning... |
1814 |
list_add_tail(&header->ctl_entry, &header->set->list); |
330d57fb9 [PATCH] Fix sysct... |
1815 |
spin_unlock(&sysctl_lock); |
29e796fd4 sysctl: Add regis... |
1816 1817 1818 1819 1820 |
return header; } /** |
e51b6ba07 sysctl: Infrastru... |
1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 |
* register_sysctl_table_path - register a sysctl table hierarchy * @path: The path to the directory the sysctl table is in. * @table: the top-level table structure * * Register a sysctl table hierarchy. @table should be a filled in ctl_table * array. A completely 0 filled entry terminates the table. * * See __register_sysctl_paths for more details. */ struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path, struct ctl_table *table) { return __register_sysctl_paths(&sysctl_table_root, current->nsproxy, path, table); } /** |
29e796fd4 sysctl: Add regis... |
1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 |
* register_sysctl_table - register a sysctl table hierarchy * @table: the top-level table structure * * Register a sysctl table hierarchy. @table should be a filled in ctl_table * array. A completely 0 filled entry terminates the table. * * See register_sysctl_paths for more details. */ struct ctl_table_header *register_sysctl_table(struct ctl_table *table) { static const struct ctl_path null_path[] = { {} }; return register_sysctl_paths(null_path, table); |
1da177e4c Linux-2.6.12-rc2 |
1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 |
} /** * unregister_sysctl_table - unregister a sysctl table hierarchy * @header: the header returned from register_sysctl_table * * Unregisters the sysctl table and all children. proc entries may not * actually be removed until they are no longer used by anyone. */ void unregister_sysctl_table(struct ctl_table_header * header) { |
330d57fb9 [PATCH] Fix sysct... |
1862 |
might_sleep(); |
f1dad166e Avoid potential N... |
1863 1864 1865 |
if (header == NULL) return; |
330d57fb9 [PATCH] Fix sysct... |
1866 1867 |
spin_lock(&sysctl_lock); start_unregistering(header); |
ae7edecc9 [PATCH] sysctl: k... |
1868 1869 1870 1871 |
if (!--header->parent->count) { WARN_ON(1); kfree(header->parent); } |
f7e6ced40 [PATCH] allow del... |
1872 1873 |
if (!--header->count) kfree(header); |
330d57fb9 [PATCH] Fix sysct... |
1874 |
spin_unlock(&sysctl_lock); |
1da177e4c Linux-2.6.12-rc2 |
1875 |
} |
9043476f7 [PATCH] sanitize ... |
1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 |
int sysctl_is_seen(struct ctl_table_header *p) { struct ctl_table_set *set = p->set; int res; spin_lock(&sysctl_lock); if (p->unregistering) res = 0; else if (!set->is_seen) res = 1; else res = set->is_seen(set); spin_unlock(&sysctl_lock); return res; } |
734550921 [PATCH] beginning... |
1890 1891 1892 1893 1894 1895 1896 1897 |
void setup_sysctl_set(struct ctl_table_set *p, struct ctl_table_set *parent, int (*is_seen)(struct ctl_table_set *)) { INIT_LIST_HEAD(&p->list); p->parent = parent ? parent : &sysctl_table_root.default_set; p->is_seen = is_seen; } |
b89a81712 [PATCH] sysctl: A... |
1898 |
#else /* !CONFIG_SYSCTL */ |
d8217f076 sysctl core: Stop... |
1899 |
struct ctl_table_header *register_sysctl_table(struct ctl_table * table) |
b89a81712 [PATCH] sysctl: A... |
1900 1901 1902 |
{ return NULL; } |
29e796fd4 sysctl: Add regis... |
1903 1904 1905 1906 1907 |
struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path, struct ctl_table *table) { return NULL; } |
b89a81712 [PATCH] sysctl: A... |
1908 1909 1910 |
void unregister_sysctl_table(struct ctl_table_header * table) { } |
734550921 [PATCH] beginning... |
1911 1912 1913 1914 1915 |
void setup_sysctl_set(struct ctl_table_set *p, struct ctl_table_set *parent, int (*is_seen)(struct ctl_table_set *)) { } |
f7e6ced40 [PATCH] allow del... |
1916 1917 1918 |
void sysctl_head_put(struct ctl_table_header *head) { } |
b89a81712 [PATCH] sysctl: A... |
1919 |
#endif /* CONFIG_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
1920 1921 1922 |
/* * /proc/sys support */ |
b89a81712 [PATCH] sysctl: A... |
1923 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
1924 |
|
b1ba4ddde [PATCH] make kern... |
1925 |
static int _proc_do_string(void* data, int maxlen, int write, |
8d65af789 sysctl: remove "s... |
1926 |
void __user *buffer, |
b1ba4ddde [PATCH] make kern... |
1927 |
size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
1928 1929 1930 1931 |
{ size_t len; char __user *p; char c; |
8d0608771 [PATCH] _proc_do_... |
1932 1933 |
if (!data || !maxlen || !*lenp) { |
1da177e4c Linux-2.6.12-rc2 |
1934 1935 1936 |
*lenp = 0; return 0; } |
8d0608771 [PATCH] _proc_do_... |
1937 |
|
1da177e4c Linux-2.6.12-rc2 |
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 |
if (write) { len = 0; p = buffer; while (len < *lenp) { if (get_user(c, p++)) return -EFAULT; if (c == 0 || c == ' ') break; len++; } |
f5dd3d6fa [PATCH] proc: sys... |
1949 1950 1951 |
if (len >= maxlen) len = maxlen-1; if(copy_from_user(data, buffer, len)) |
1da177e4c Linux-2.6.12-rc2 |
1952 |
return -EFAULT; |
f5dd3d6fa [PATCH] proc: sys... |
1953 |
((char *) data)[len] = 0; |
1da177e4c Linux-2.6.12-rc2 |
1954 1955 |
*ppos += *lenp; } else { |
f5dd3d6fa [PATCH] proc: sys... |
1956 1957 1958 |
len = strlen(data); if (len > maxlen) len = maxlen; |
8d0608771 [PATCH] _proc_do_... |
1959 1960 1961 1962 1963 1964 1965 1966 |
if (*ppos > len) { *lenp = 0; return 0; } data += *ppos; len -= *ppos; |
1da177e4c Linux-2.6.12-rc2 |
1967 1968 1969 |
if (len > *lenp) len = *lenp; if (len) |
f5dd3d6fa [PATCH] proc: sys... |
1970 |
if(copy_to_user(buffer, data, len)) |
1da177e4c Linux-2.6.12-rc2 |
1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 |
return -EFAULT; if (len < *lenp) { if(put_user(' ', ((char __user *) buffer) + len)) return -EFAULT; len++; } *lenp = len; *ppos += len; } return 0; } |
f5dd3d6fa [PATCH] proc: sys... |
1983 1984 1985 1986 |
/** * 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... |
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 |
* @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... |
2001 |
int proc_dostring(struct ctl_table *table, int write, |
f5dd3d6fa [PATCH] proc: sys... |
2002 2003 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2004 |
return _proc_do_string(table->data, table->maxlen, write, |
f5dd3d6fa [PATCH] proc: sys... |
2005 2006 |
buffer, lenp, ppos); } |
1da177e4c Linux-2.6.12-rc2 |
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 |
static int do_proc_dointvec_conv(int *negp, unsigned long *lvalp, int *valp, int write, void *data) { if (write) { *valp = *negp ? -*lvalp : *lvalp; } else { int val = *valp; if (val < 0) { *negp = -1; *lvalp = (unsigned long)-val; } else { *negp = 0; *lvalp = (unsigned long)val; } } return 0; } |
d8217f076 sysctl core: Stop... |
2026 |
static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, |
8d65af789 sysctl: remove "s... |
2027 |
int write, void __user *buffer, |
fcfbd547b [PATCH] IPC names... |
2028 |
size_t *lenp, loff_t *ppos, |
1da177e4c Linux-2.6.12-rc2 |
2029 2030 2031 2032 2033 |
int (*conv)(int *negp, unsigned long *lvalp, int *valp, int write, void *data), void *data) { #define TMPBUFLEN 21 |
7338f2998 sysctl.c: remove ... |
2034 |
int *i, vleft, first = 1, neg; |
1da177e4c Linux-2.6.12-rc2 |
2035 2036 2037 2038 2039 2040 |
unsigned long lval; size_t left, len; char buf[TMPBUFLEN], *p; char __user *s = buffer; |
fcfbd547b [PATCH] IPC names... |
2041 |
if (!tbl_data || !table->maxlen || !*lenp || |
1da177e4c Linux-2.6.12-rc2 |
2042 2043 2044 2045 2046 |
(*ppos && !write)) { *lenp = 0; return 0; } |
fcfbd547b [PATCH] IPC names... |
2047 |
i = (int *) tbl_data; |
1da177e4c Linux-2.6.12-rc2 |
2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 |
vleft = table->maxlen / sizeof(*i); left = *lenp; if (!conv) conv = do_proc_dointvec_conv; for (; left && vleft--; i++, first=0) { if (write) { while (left) { char c; if (get_user(c, s)) return -EFAULT; if (!isspace(c)) break; left--; s++; } if (!left) break; neg = 0; len = left; if (len > sizeof(buf) - 1) len = sizeof(buf) - 1; if (copy_from_user(buf, s, len)) return -EFAULT; buf[len] = 0; p = buf; if (*p == '-' && left > 1) { neg = 1; |
bd9b0bac6 [PATCH] sysctl: s... |
2077 |
p++; |
1da177e4c Linux-2.6.12-rc2 |
2078 2079 2080 2081 2082 2083 2084 2085 2086 |
} if (*p < '0' || *p > '9') break; lval = simple_strtoul(p, &p, 0); len = p-buf; if ((len < left) && *p && !isspace(*p)) break; |
1da177e4c Linux-2.6.12-rc2 |
2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 |
s += len; left -= len; if (conv(&neg, &lval, i, 1, data)) break; } else { p = buf; if (!first) *p++ = '\t'; if (conv(&neg, &lval, i, 0, data)) break; sprintf(p, "%s%lu", neg ? "-" : "", lval); len = strlen(buf); if (len > left) len = left; if(copy_to_user(s, buf, len)) return -EFAULT; left -= len; s += len; } } if (!write && !first && left) { if(put_user(' ', s)) return -EFAULT; left--, s++; } if (write) { while (left) { char c; if (get_user(c, s++)) return -EFAULT; if (!isspace(c)) break; left--; } } if (write && first) return -EINVAL; *lenp -= left; *ppos += *lenp; return 0; #undef TMPBUFLEN } |
8d65af789 sysctl: remove "s... |
2134 |
static int do_proc_dointvec(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2135 2136 2137 2138 2139 |
void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(int *negp, unsigned long *lvalp, int *valp, int write, void *data), void *data) { |
8d65af789 sysctl: remove "s... |
2140 |
return __do_proc_dointvec(table->data, table, write, |
fcfbd547b [PATCH] IPC names... |
2141 2142 |
buffer, lenp, ppos, conv, data); } |
1da177e4c Linux-2.6.12-rc2 |
2143 2144 2145 2146 |
/** * 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 |
2147 2148 2149 2150 2151 2152 2153 2154 2155 |
* @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... |
2156 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2157 2158 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2159 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2160 2161 |
NULL,NULL); } |
34f5a3989 [PATCH] Add TAINT... |
2162 |
/* |
25ddbb18a Make the taint fl... |
2163 2164 |
* Taint values can only be increased * This means we can safely use a temporary. |
34f5a3989 [PATCH] Add TAINT... |
2165 |
*/ |
8d65af789 sysctl: remove "s... |
2166 |
static int proc_taint(struct ctl_table *table, int write, |
34f5a3989 [PATCH] Add TAINT... |
2167 2168 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
25ddbb18a Make the taint fl... |
2169 2170 2171 |
struct ctl_table t; unsigned long tmptaint = get_taint(); int err; |
34f5a3989 [PATCH] Add TAINT... |
2172 |
|
91fcd412e Allow reading tai... |
2173 |
if (write && !capable(CAP_SYS_ADMIN)) |
34f5a3989 [PATCH] Add TAINT... |
2174 |
return -EPERM; |
25ddbb18a Make the taint fl... |
2175 2176 |
t = *table; t.data = &tmptaint; |
8d65af789 sysctl: remove "s... |
2177 |
err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos); |
25ddbb18a Make the taint fl... |
2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 |
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) add_taint(i); } } return err; |
34f5a3989 [PATCH] Add TAINT... |
2194 |
} |
1da177e4c Linux-2.6.12-rc2 |
2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 |
struct do_proc_dointvec_minmax_conv_param { int *min; int *max; }; static int do_proc_dointvec_minmax_conv(int *negp, unsigned long *lvalp, int *valp, int write, void *data) { struct do_proc_dointvec_minmax_conv_param *param = data; if (write) { int val = *negp ? -*lvalp : *lvalp; if ((param->min && *param->min > val) || (param->max && *param->max < val)) return -EINVAL; *valp = val; } else { int val = *valp; if (val < 0) { *negp = -1; *lvalp = (unsigned long)-val; } else { *negp = 0; *lvalp = (unsigned long)val; } } 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 |
2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 |
* @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). * * Returns 0 on success. */ |
8d65af789 sysctl: remove "s... |
2240 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2241 2242 2243 2244 2245 2246 |
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... |
2247 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2248 2249 |
do_proc_dointvec_minmax_conv, ¶m); } |
d8217f076 sysctl core: Stop... |
2250 |
static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 |
void __user *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul, unsigned long convdiv) { #define TMPBUFLEN 21 unsigned long *i, *min, *max, val; int vleft, first=1, neg; size_t len, left; char buf[TMPBUFLEN], *p; char __user *s = buffer; |
fcfbd547b [PATCH] IPC names... |
2263 |
if (!data || !table->maxlen || !*lenp || |
1da177e4c Linux-2.6.12-rc2 |
2264 2265 2266 2267 2268 |
(*ppos && !write)) { *lenp = 0; return 0; } |
fcfbd547b [PATCH] IPC names... |
2269 |
i = (unsigned long *) data; |
1da177e4c Linux-2.6.12-rc2 |
2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 |
min = (unsigned long *) table->extra1; max = (unsigned long *) table->extra2; vleft = table->maxlen / sizeof(unsigned long); left = *lenp; for (; left && vleft--; i++, min++, max++, first=0) { if (write) { while (left) { char c; if (get_user(c, s)) return -EFAULT; if (!isspace(c)) break; left--; s++; } if (!left) break; neg = 0; len = left; if (len > TMPBUFLEN-1) len = TMPBUFLEN-1; if (copy_from_user(buf, s, len)) return -EFAULT; buf[len] = 0; p = buf; if (*p == '-' && left > 1) { neg = 1; |
bd9b0bac6 [PATCH] sysctl: s... |
2298 |
p++; |
1da177e4c Linux-2.6.12-rc2 |
2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 |
} if (*p < '0' || *p > '9') break; val = simple_strtoul(p, &p, 0) * convmul / convdiv ; len = p-buf; if ((len < left) && *p && !isspace(*p)) break; if (neg) val = -val; s += len; left -= len; if(neg) continue; if ((min && val < *min) || (max && val > *max)) continue; *i = val; } else { p = buf; if (!first) *p++ = '\t'; sprintf(p, "%lu", convdiv * (*i) / convmul); len = strlen(buf); if (len > left) len = left; if(copy_to_user(s, buf, len)) return -EFAULT; left -= len; s += len; } } if (!write && !first && left) { if(put_user(' ', s)) return -EFAULT; left--, s++; } if (write) { while (left) { char c; if (get_user(c, s++)) return -EFAULT; if (!isspace(c)) break; left--; } } if (write && first) return -EINVAL; *lenp -= left; *ppos += *lenp; return 0; #undef TMPBUFLEN } |
d8217f076 sysctl core: Stop... |
2354 |
static int do_proc_doulongvec_minmax(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2355 2356 2357 2358 2359 2360 |
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... |
2361 |
buffer, lenp, ppos, convmul, convdiv); |
fcfbd547b [PATCH] IPC names... |
2362 |
} |
1da177e4c Linux-2.6.12-rc2 |
2363 2364 2365 2366 |
/** * 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 |
2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 |
* @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... |
2379 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2380 2381 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2382 |
return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l); |
1da177e4c Linux-2.6.12-rc2 |
2383 2384 2385 2386 2387 2388 |
} /** * 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 |
2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 |
* @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... |
2402 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2403 2404 2405 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2406 |
return do_proc_doulongvec_minmax(table, write, buffer, |
1da177e4c Linux-2.6.12-rc2 |
2407 2408 2409 2410 2411 2412 2413 2414 2415 |
lenp, ppos, HZ, 1000l); } static int do_proc_dointvec_jiffies_conv(int *negp, unsigned long *lvalp, int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2416 2417 |
if (*lvalp > LONG_MAX / HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 |
*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ); } else { int val = *valp; unsigned long lval; if (val < 0) { *negp = -1; lval = (unsigned long)-val; } else { *negp = 0; lval = (unsigned long)val; } *lvalp = lval / HZ; } return 0; } static int do_proc_dointvec_userhz_jiffies_conv(int *negp, unsigned long *lvalp, int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2439 2440 |
if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
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 |
*valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp); } else { int val = *valp; unsigned long lval; if (val < 0) { *negp = -1; lval = (unsigned long)-val; } else { *negp = 0; lval = (unsigned long)val; } *lvalp = jiffies_to_clock_t(lval); } return 0; } static int do_proc_dointvec_ms_jiffies_conv(int *negp, unsigned long *lvalp, int *valp, int write, void *data) { if (write) { *valp = msecs_to_jiffies(*negp ? -*lvalp : *lvalp); } else { int val = *valp; unsigned long lval; if (val < 0) { *negp = -1; lval = (unsigned long)-val; } else { *negp = 0; 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 |
2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 |
* @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... |
2493 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2494 2495 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2496 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2497 2498 2499 2500 2501 2502 2503 |
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 |
2504 2505 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
1e5d53314 [PATCH] more kern... |
2506 |
* @ppos: pointer to the file position |
1da177e4c Linux-2.6.12-rc2 |
2507 2508 2509 2510 2511 2512 2513 2514 |
* * 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... |
2515 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2516 2517 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2518 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2519 2520 2521 2522 2523 2524 2525 |
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 |
2526 2527 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
67be2dd1b [PATCH] DocBook: ... |
2528 2529 |
* @ppos: file position * @ppos: the current position in the file |
1da177e4c Linux-2.6.12-rc2 |
2530 2531 2532 2533 2534 2535 2536 2537 |
* * 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... |
2538 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2539 2540 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2541 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2542 2543 |
do_proc_dointvec_ms_jiffies_conv, NULL); } |
8d65af789 sysctl: remove "s... |
2544 |
static int proc_do_cad_pid(struct ctl_table *table, int write, |
9ec52099e [PATCH] replace c... |
2545 2546 2547 2548 2549 |
void __user *buffer, size_t *lenp, loff_t *ppos) { struct pid *new_pid; pid_t tmp; int r; |
6c5f3e7b4 Pidns: make full ... |
2550 |
tmp = pid_vnr(cad_pid); |
9ec52099e [PATCH] replace c... |
2551 |
|
8d65af789 sysctl: remove "s... |
2552 |
r = __do_proc_dointvec(&tmp, table, write, buffer, |
9ec52099e [PATCH] replace c... |
2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 |
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; } |
1da177e4c Linux-2.6.12-rc2 |
2564 |
#else /* CONFIG_PROC_FS */ |
8d65af789 sysctl: remove "s... |
2565 |
int proc_dostring(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2566 2567 2568 2569 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2570 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2571 |
void __user *buffer, size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
2572 2573 2574 |
{ return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2575 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2576 2577 2578 2579 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2580 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2581 2582 2583 2584 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2585 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2586 2587 2588 2589 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2590 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2591 2592 2593 2594 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2595 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2596 2597 2598 2599 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
d8217f076 sysctl core: Stop... |
2600 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2601 2602 2603 2604 2605 2606 2607 2608 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } #endif /* CONFIG_PROC_FS */ |
1da177e4c Linux-2.6.12-rc2 |
2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 |
/* * No sense putting this after each symbol definition, twice, * exception granted :-) */ EXPORT_SYMBOL(proc_dointvec); EXPORT_SYMBOL(proc_dointvec_jiffies); EXPORT_SYMBOL(proc_dointvec_minmax); 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); EXPORT_SYMBOL(register_sysctl_table); |
29e796fd4 sysctl: Add regis... |
2622 |
EXPORT_SYMBOL(register_sysctl_paths); |
1da177e4c Linux-2.6.12-rc2 |
2623 |
EXPORT_SYMBOL(unregister_sysctl_table); |