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kernel/sysctl.c
63.8 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> |
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#include <linux/aio.h> |
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#include <linux/mm.h> #include <linux/swap.h> #include <linux/slab.h> #include <linux/sysctl.h> |
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#include <linux/bitmap.h> |
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#include <linux/signal.h> |
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#include <linux/printk.h> |
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#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/kmemleak.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/compaction.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> |
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#include <linux/dnotify.h> |
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#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/perf_event.h> |
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#include <linux/kprobes.h> |
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#include <linux/pipe_fs_i.h> |
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#include <linux/oom.h> |
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#include <linux/kmod.h> |
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#include <linux/capability.h> |
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#include <linux/binfmts.h> |
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#include <linux/sched/sysctl.h> |
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#include <linux/kexec.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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#ifdef CONFIG_SPARC #include <asm/setup.h> #endif |
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#ifdef CONFIG_BSD_PROCESS_ACCT #include <linux/acct.h> #endif |
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#ifdef CONFIG_RT_MUTEXES #include <linux/rtmutex.h> #endif |
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#if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT) #include <linux/lockdep.h> #endif |
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#ifdef CONFIG_CHR_DEV_SG #include <scsi/sg.h> #endif |
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#ifdef CONFIG_LOCKUP_DETECTOR |
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#include <linux/nmi.h> #endif |
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#if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ |
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extern int suid_dumpable; |
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#ifdef CONFIG_COREDUMP extern int core_uses_pid; |
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extern char core_pattern[]; |
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extern unsigned int core_pipe_limit; |
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#endif |
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extern int pid_max; |
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extern int extra_free_kbytes; |
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extern int min_free_order_shift; |
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extern int pid_max_min, pid_max_max; |
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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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/* Constants used for minimum and maximum */ |
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#ifdef CONFIG_LOCKUP_DETECTOR |
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static int sixty = 60; #endif |
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static int __maybe_unused neg_one = -1; |
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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 int __maybe_unused four = 4; |
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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; static int ngroups_max = NGROUPS_MAX; |
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static const int cap_last_cap = CAP_LAST_CAP; |
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|
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/*this is needed for proc_doulongvec_minmax of sysctl_hung_task_timeout_secs */ #ifdef CONFIG_DETECT_HUNG_TASK static unsigned long hung_task_timeout_max = (LONG_MAX/HZ); #endif |
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#ifdef CONFIG_INOTIFY_USER #include <linux/inotify.h> #endif |
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#ifdef CONFIG_SPARC |
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#endif #ifdef __hppa__ extern int pwrsw_enabled; |
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#endif #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW |
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extern int unaligned_enabled; #endif |
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#ifdef CONFIG_IA64 |
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extern int unaligned_dump_stack; |
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#endif |
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#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN extern int no_unaligned_warning; #endif |
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#ifdef CONFIG_PROC_SYSCTL |
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#define SYSCTL_WRITES_LEGACY -1 #define SYSCTL_WRITES_WARN 0 #define SYSCTL_WRITES_STRICT 1 static int sysctl_writes_strict = SYSCTL_WRITES_WARN; |
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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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#ifdef CONFIG_PRINTK |
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static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, |
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void __user *buffer, size_t *lenp, loff_t *ppos); #endif |
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static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); |
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#ifdef CONFIG_COREDUMP |
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static int proc_dostring_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); |
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#endif |
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#ifdef CONFIG_MAGIC_SYSRQ |
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/* Note: sysrq code uses it's own private copy */ |
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static int __sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE; |
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static int sysrq_sysctl_handler(struct ctl_table *table, int write, |
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void __user *buffer, size_t *lenp, loff_t *ppos) { int error; error = proc_dointvec(table, write, buffer, lenp, ppos); if (error) return error; if (write) sysrq_toggle_support(__sysrq_enabled); return 0; } #endif |
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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_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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/* The default sysctl tables: */ |
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static struct ctl_table sysctl_base_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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{ } |
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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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#ifdef CONFIG_SMP |
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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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#endif /* CONFIG_SMP */ #endif /* CONFIG_SCHED_DEBUG */ |
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|
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#ifdef CONFIG_COMPACTION static int min_extfrag_threshold; static int max_extfrag_threshold = 1000; #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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#ifdef CONFIG_SMP |
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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_migration_cost_ns", |
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.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_ms", |
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.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 = "sched_shares_window_ns", |
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.data = &sysctl_sched_shares_window, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { |
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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 /* CONFIG_SMP */ #ifdef CONFIG_NUMA_BALANCING { |
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.procname = "numa_balancing_scan_delay_ms", .data = &sysctl_numa_balancing_scan_delay, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { |
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.procname = "numa_balancing_scan_period_min_ms", .data = &sysctl_numa_balancing_scan_period_min, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "numa_balancing_scan_period_max_ms", .data = &sysctl_numa_balancing_scan_period_max, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, |
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{ .procname = "numa_balancing_scan_size_mb", .data = &sysctl_numa_balancing_scan_size, .maxlen = sizeof(unsigned int), .mode = 0644, |
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.proc_handler = proc_dointvec_minmax, .extra1 = &one, |
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}, |
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{ |
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.procname = "numa_balancing", .data = NULL, /* filled in by handler */ .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sysctl_numa_balancing, .extra1 = &zero, .extra2 = &one, }, |
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#endif /* CONFIG_NUMA_BALANCING */ #endif /* CONFIG_SCHED_DEBUG */ |
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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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394 |
.proc_handler = sched_rt_handler, |
9f0c1e560 sched: rt-group: ... |
395 396 |
}, { |
9f0c1e560 sched: rt-group: ... |
397 398 399 400 |
.procname = "sched_rt_runtime_us", .data = &sysctl_sched_rt_runtime, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
401 |
.proc_handler = sched_rt_handler, |
9f0c1e560 sched: rt-group: ... |
402 |
}, |
ce0dbbbb3 sched/rt: Add a t... |
403 404 405 406 407 408 409 |
{ .procname = "sched_rr_timeslice_ms", .data = &sched_rr_timeslice, .maxlen = sizeof(int), .mode = 0644, .proc_handler = sched_rr_handler, }, |
5091faa44 sched: Add 'autog... |
410 411 412 413 414 415 |
#ifdef CONFIG_SCHED_AUTOGROUP { .procname = "sched_autogroup_enabled", .data = &sysctl_sched_autogroup_enabled, .maxlen = sizeof(unsigned int), .mode = 0644, |
1747b21fe sched, autogroup,... |
416 |
.proc_handler = proc_dointvec_minmax, |
5091faa44 sched: Add 'autog... |
417 418 419 420 |
.extra1 = &zero, .extra2 = &one, }, #endif |
ec12cb7f3 sched: Accumulate... |
421 422 423 424 425 426 427 428 429 430 |
#ifdef CONFIG_CFS_BANDWIDTH { .procname = "sched_cfs_bandwidth_slice_us", .data = &sysctl_sched_cfs_bandwidth_slice, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &one, }, #endif |
f20786ff4 lockstat: core in... |
431 432 |
#ifdef CONFIG_PROVE_LOCKING { |
f20786ff4 lockstat: core in... |
433 434 435 436 |
.procname = "prove_locking", .data = &prove_locking, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
437 |
.proc_handler = proc_dointvec, |
f20786ff4 lockstat: core in... |
438 439 440 441 |
}, #endif #ifdef CONFIG_LOCK_STAT { |
f20786ff4 lockstat: core in... |
442 443 444 445 |
.procname = "lock_stat", .data = &lock_stat, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
446 |
.proc_handler = proc_dointvec, |
f20786ff4 lockstat: core in... |
447 448 |
}, #endif |
77e54a1f8 sched: add CFS de... |
449 |
{ |
1da177e4c Linux-2.6.12-rc2 |
450 451 452 453 |
.procname = "panic", .data = &panic_timeout, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
454 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
455 |
}, |
046d662f4 coredump: make co... |
456 |
#ifdef CONFIG_COREDUMP |
1da177e4c Linux-2.6.12-rc2 |
457 |
{ |
1da177e4c Linux-2.6.12-rc2 |
458 459 460 461 |
.procname = "core_uses_pid", .data = &core_uses_pid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
462 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
463 464 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
465 466 |
.procname = "core_pattern", .data = core_pattern, |
71ce92f3f make sysctl/kerne... |
467 |
.maxlen = CORENAME_MAX_SIZE, |
1da177e4c Linux-2.6.12-rc2 |
468 |
.mode = 0644, |
54b501992 coredump: warn ab... |
469 |
.proc_handler = proc_dostring_coredump, |
1da177e4c Linux-2.6.12-rc2 |
470 |
}, |
a293980c2 exec: let do_core... |
471 |
{ |
a293980c2 exec: let do_core... |
472 473 474 475 |
.procname = "core_pipe_limit", .data = &core_pipe_limit, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
476 |
.proc_handler = proc_dointvec, |
a293980c2 exec: let do_core... |
477 |
}, |
046d662f4 coredump: make co... |
478 |
#endif |
34f5a3989 [PATCH] Add TAINT... |
479 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
480 |
{ |
1da177e4c Linux-2.6.12-rc2 |
481 |
.procname = "tainted", |
25ddbb18a Make the taint fl... |
482 |
.maxlen = sizeof(long), |
34f5a3989 [PATCH] Add TAINT... |
483 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
484 |
.proc_handler = proc_taint, |
1da177e4c Linux-2.6.12-rc2 |
485 |
}, |
f4aacea2f sysctl: allow for... |
486 487 488 489 490 491 492 493 494 |
{ .procname = "sysctl_writes_strict", .data = &sysctl_writes_strict, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &neg_one, .extra2 = &one, }, |
34f5a3989 [PATCH] Add TAINT... |
495 |
#endif |
9745512ce sched: latencytop... |
496 497 498 499 500 501 |
#ifdef CONFIG_LATENCYTOP { .procname = "latencytop", .data = &latencytop_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
502 |
.proc_handler = proc_dointvec, |
9745512ce sched: latencytop... |
503 504 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
505 506 |
#ifdef CONFIG_BLK_DEV_INITRD { |
1da177e4c Linux-2.6.12-rc2 |
507 508 509 510 |
.procname = "real-root-dev", .data = &real_root_dev, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
511 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
512 513 |
}, #endif |
45807a1df vdso: print fatal... |
514 |
{ |
45807a1df vdso: print fatal... |
515 516 517 518 |
.procname = "print-fatal-signals", .data = &print_fatal_signals, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
519 |
.proc_handler = proc_dointvec, |
45807a1df vdso: print fatal... |
520 |
}, |
72c57ed50 sysctl: Use CONFI... |
521 |
#ifdef CONFIG_SPARC |
1da177e4c Linux-2.6.12-rc2 |
522 |
{ |
1da177e4c Linux-2.6.12-rc2 |
523 524 525 526 |
.procname = "reboot-cmd", .data = reboot_command, .maxlen = 256, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
527 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
528 529 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
530 531 532 533 |
.procname = "stop-a", .data = &stop_a_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
534 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
535 536 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
537 538 539 540 |
.procname = "scons-poweroff", .data = &scons_pwroff, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
541 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
542 543 |
}, #endif |
0871420fa sparc64: Add tsb-... |
544 545 |
#ifdef CONFIG_SPARC64 { |
0871420fa sparc64: Add tsb-... |
546 547 548 549 |
.procname = "tsb-ratio", .data = &sysctl_tsb_ratio, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
550 |
.proc_handler = proc_dointvec, |
0871420fa sparc64: Add tsb-... |
551 552 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
553 554 |
#ifdef __hppa__ { |
1da177e4c Linux-2.6.12-rc2 |
555 556 557 558 |
.procname = "soft-power", .data = &pwrsw_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
559 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
560 |
}, |
bf14e3b97 sysctl: Enable PA... |
561 562 |
#endif #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW |
1da177e4c Linux-2.6.12-rc2 |
563 |
{ |
1da177e4c Linux-2.6.12-rc2 |
564 565 566 567 |
.procname = "unaligned-trap", .data = &unaligned_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
568 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
569 570 571 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
572 573 574 575 |
.procname = "ctrl-alt-del", .data = &C_A_D, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
576 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
577 |
}, |
606576ce8 ftrace: rename FT... |
578 |
#ifdef CONFIG_FUNCTION_TRACER |
b0fc494fa ftrace: add ftrac... |
579 |
{ |
b0fc494fa ftrace: add ftrac... |
580 581 582 583 |
.procname = "ftrace_enabled", .data = &ftrace_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
584 |
.proc_handler = ftrace_enable_sysctl, |
b0fc494fa ftrace: add ftrac... |
585 586 |
}, #endif |
f38f1d2aa trace: add a way ... |
587 588 |
#ifdef CONFIG_STACK_TRACER { |
f38f1d2aa trace: add a way ... |
589 590 591 592 |
.procname = "stack_tracer_enabled", .data = &stack_tracer_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
593 |
.proc_handler = stack_trace_sysctl, |
f38f1d2aa trace: add a way ... |
594 595 |
}, #endif |
944ac4259 ftrace: ftrace du... |
596 597 |
#ifdef CONFIG_TRACING { |
3299b4dd1 ftrace: sysctl typo |
598 |
.procname = "ftrace_dump_on_oops", |
944ac4259 ftrace: ftrace du... |
599 600 601 |
.data = &ftrace_dump_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
602 |
.proc_handler = proc_dointvec, |
944ac4259 ftrace: ftrace du... |
603 |
}, |
de7edd314 tracing: Disable ... |
604 605 606 607 608 609 610 |
{ .procname = "traceoff_on_warning", .data = &__disable_trace_on_warning, .maxlen = sizeof(__disable_trace_on_warning), .mode = 0644, .proc_handler = proc_dointvec, }, |
0daa23029 tracing: Add tp_p... |
611 612 613 614 615 616 617 |
{ .procname = "tracepoint_printk", .data = &tracepoint_printk, .maxlen = sizeof(tracepoint_printk), .mode = 0644, .proc_handler = proc_dointvec, }, |
944ac4259 ftrace: ftrace du... |
618 |
#endif |
7984754b9 kexec: add sysctl... |
619 620 621 622 623 624 625 626 627 628 629 630 |
#ifdef CONFIG_KEXEC { .procname = "kexec_load_disabled", .data = &kexec_load_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, .extra1 = &one, .extra2 = &one, }, #endif |
a1ef5adb4 remove CONFIG_KMO... |
631 |
#ifdef CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
632 |
{ |
1da177e4c Linux-2.6.12-rc2 |
633 634 635 636 |
.procname = "modprobe", .data = &modprobe_path, .maxlen = KMOD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
637 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
638 |
}, |
3d43321b7 modules: sysctl t... |
639 |
{ |
3d43321b7 modules: sysctl t... |
640 641 642 643 644 |
.procname = "modules_disabled", .data = &modules_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ |
6d4561110 sysctl: Drop & in... |
645 |
.proc_handler = proc_dointvec_minmax, |
3d43321b7 modules: sysctl t... |
646 647 648 |
.extra1 = &one, .extra2 = &one, }, |
1da177e4c Linux-2.6.12-rc2 |
649 |
#endif |
86d56134f kobject: Make sup... |
650 |
#ifdef CONFIG_UEVENT_HELPER |
1da177e4c Linux-2.6.12-rc2 |
651 |
{ |
1da177e4c Linux-2.6.12-rc2 |
652 |
.procname = "hotplug", |
312c004d3 [PATCH] driver co... |
653 654 |
.data = &uevent_helper, .maxlen = UEVENT_HELPER_PATH_LEN, |
1da177e4c Linux-2.6.12-rc2 |
655 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
656 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
657 |
}, |
86d56134f kobject: Make sup... |
658 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
659 660 |
#ifdef CONFIG_CHR_DEV_SG { |
1da177e4c Linux-2.6.12-rc2 |
661 662 663 664 |
.procname = "sg-big-buff", .data = &sg_big_buff, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
665 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
666 667 668 669 |
}, #endif #ifdef CONFIG_BSD_PROCESS_ACCT { |
1da177e4c Linux-2.6.12-rc2 |
670 671 672 673 |
.procname = "acct", .data = &acct_parm, .maxlen = 3*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
674 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
675 676 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
677 678 |
#ifdef CONFIG_MAGIC_SYSRQ { |
1da177e4c Linux-2.6.12-rc2 |
679 |
.procname = "sysrq", |
5d6f647fc [PATCH] debug: ad... |
680 |
.data = &__sysrq_enabled, |
1da177e4c Linux-2.6.12-rc2 |
681 682 |
.maxlen = sizeof (int), .mode = 0644, |
97f5f0cd8 Input: implement ... |
683 |
.proc_handler = sysrq_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
684 685 |
}, #endif |
d6f8ff738 [PATCH] cad_pid s... |
686 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
687 |
{ |
1da177e4c Linux-2.6.12-rc2 |
688 |
.procname = "cad_pid", |
9ec52099e [PATCH] replace c... |
689 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
690 691 |
.maxlen = sizeof (int), .mode = 0600, |
6d4561110 sysctl: Drop & in... |
692 |
.proc_handler = proc_do_cad_pid, |
1da177e4c Linux-2.6.12-rc2 |
693 |
}, |
d6f8ff738 [PATCH] cad_pid s... |
694 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
695 |
{ |
1da177e4c Linux-2.6.12-rc2 |
696 |
.procname = "threads-max", |
16db3d3f1 kernel/sysctl.c: ... |
697 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
698 699 |
.maxlen = sizeof(int), .mode = 0644, |
16db3d3f1 kernel/sysctl.c: ... |
700 |
.proc_handler = sysctl_max_threads, |
1da177e4c Linux-2.6.12-rc2 |
701 702 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
703 704 705 706 |
.procname = "random", .mode = 0555, .child = random_table, }, |
1da177e4c Linux-2.6.12-rc2 |
707 |
{ |
17f60a7da capabilites: allo... |
708 709 710 711 712 |
.procname = "usermodehelper", .mode = 0555, .child = usermodehelper_table, }, { |
1da177e4c Linux-2.6.12-rc2 |
713 714 715 716 |
.procname = "overflowuid", .data = &overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
717 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
718 719 720 721 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
722 723 724 725 |
.procname = "overflowgid", .data = &overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
726 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
727 728 729 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
347a8dc3b [PATCH] s390: cle... |
730 |
#ifdef CONFIG_S390 |
1da177e4c Linux-2.6.12-rc2 |
731 732 |
#ifdef CONFIG_MATHEMU { |
1da177e4c Linux-2.6.12-rc2 |
733 734 735 736 |
.procname = "ieee_emulation_warnings", .data = &sysctl_ieee_emulation_warnings, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
737 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
738 739 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
740 |
{ |
1da177e4c Linux-2.6.12-rc2 |
741 |
.procname = "userprocess_debug", |
ab3c68ee5 [S390] debug: ena... |
742 |
.data = &show_unhandled_signals, |
1da177e4c Linux-2.6.12-rc2 |
743 744 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
745 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
746 747 748 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
749 750 751 752 |
.procname = "pid_max", .data = &pid_max, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
753 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
754 755 756 757 |
.extra1 = &pid_max_min, .extra2 = &pid_max_max, }, { |
1da177e4c Linux-2.6.12-rc2 |
758 759 760 761 |
.procname = "panic_on_oops", .data = &panic_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
762 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
763 |
}, |
7ef3d2fd1 printk_ratelimit(... |
764 765 |
#if defined CONFIG_PRINTK { |
7ef3d2fd1 printk_ratelimit(... |
766 767 768 769 |
.procname = "printk", .data = &console_loglevel, .maxlen = 4*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
770 |
.proc_handler = proc_dointvec, |
7ef3d2fd1 printk_ratelimit(... |
771 |
}, |
1da177e4c Linux-2.6.12-rc2 |
772 |
{ |
1da177e4c Linux-2.6.12-rc2 |
773 |
.procname = "printk_ratelimit", |
717115e1a printk ratelimiti... |
774 |
.data = &printk_ratelimit_state.interval, |
1da177e4c Linux-2.6.12-rc2 |
775 776 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
777 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
778 779 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
780 |
.procname = "printk_ratelimit_burst", |
717115e1a printk ratelimiti... |
781 |
.data = &printk_ratelimit_state.burst, |
1da177e4c Linux-2.6.12-rc2 |
782 783 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
784 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
785 |
}, |
af91322ef printk: add print... |
786 |
{ |
af91322ef printk: add print... |
787 788 789 790 |
.procname = "printk_delay", .data = &printk_delay_msec, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
791 |
.proc_handler = proc_dointvec_minmax, |
af91322ef printk: add print... |
792 793 794 |
.extra1 = &zero, .extra2 = &ten_thousand, }, |
1da177e4c Linux-2.6.12-rc2 |
795 |
{ |
eaf06b241 Restrict unprivil... |
796 797 798 799 |
.procname = "dmesg_restrict", .data = &dmesg_restrict, .maxlen = sizeof(int), .mode = 0644, |
620f6e8e8 sysctl: fix write... |
800 |
.proc_handler = proc_dointvec_minmax_sysadmin, |
eaf06b241 Restrict unprivil... |
801 802 803 |
.extra1 = &zero, .extra2 = &one, }, |
455cd5ab3 kptr_restrict for... |
804 805 806 807 808 |
{ .procname = "kptr_restrict", .data = &kptr_restrict, .maxlen = sizeof(int), .mode = 0644, |
620f6e8e8 sysctl: fix write... |
809 |
.proc_handler = proc_dointvec_minmax_sysadmin, |
455cd5ab3 kptr_restrict for... |
810 811 812 |
.extra1 = &zero, .extra2 = &two, }, |
df6e61d4c kernel/sysctl.c: ... |
813 |
#endif |
eaf06b241 Restrict unprivil... |
814 |
{ |
1da177e4c Linux-2.6.12-rc2 |
815 816 817 818 |
.procname = "ngroups_max", .data = &ngroups_max, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
819 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
820 |
}, |
73efc0394 kernel/sysctl.c: ... |
821 822 823 824 825 826 827 |
{ .procname = "cap_last_cap", .data = (void *)&cap_last_cap, .maxlen = sizeof(int), .mode = 0444, .proc_handler = proc_dointvec, }, |
58687acba lockup_detector: ... |
828 |
#if defined(CONFIG_LOCKUP_DETECTOR) |
504d7cf10 nmi_watchdog: Com... |
829 |
{ |
58687acba lockup_detector: ... |
830 |
.procname = "watchdog", |
3c00ea82c watchdog: Rename ... |
831 |
.data = &watchdog_user_enabled, |
504d7cf10 nmi_watchdog: Com... |
832 833 |
.maxlen = sizeof (int), .mode = 0644, |
195daf665 watchdog: enable ... |
834 |
.proc_handler = proc_watchdog, |
586692a5a watchdog: Disable... |
835 836 |
.extra1 = &zero, .extra2 = &one, |
58687acba lockup_detector: ... |
837 838 839 |
}, { .procname = "watchdog_thresh", |
586692a5a watchdog: Disable... |
840 |
.data = &watchdog_thresh, |
58687acba lockup_detector: ... |
841 842 |
.maxlen = sizeof(int), .mode = 0644, |
195daf665 watchdog: enable ... |
843 |
.proc_handler = proc_watchdog_thresh, |
a6572f84c watchdog: Disallo... |
844 |
.extra1 = &zero, |
58687acba lockup_detector: ... |
845 |
.extra2 = &sixty, |
504d7cf10 nmi_watchdog: Com... |
846 |
}, |
2508ce184 lockup_detector: ... |
847 |
{ |
195daf665 watchdog: enable ... |
848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 |
.procname = "nmi_watchdog", .data = &nmi_watchdog_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_nmi_watchdog, .extra1 = &zero, #if defined(CONFIG_HAVE_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR) .extra2 = &one, #else .extra2 = &zero, #endif }, { .procname = "soft_watchdog", .data = &soft_watchdog_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_soft_watchdog, .extra1 = &zero, .extra2 = &one, }, { |
2508ce184 lockup_detector: ... |
870 871 872 873 874 875 876 877 |
.procname = "softlockup_panic", .data = &softlockup_panic, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, |
ed235875e kernel/watchdog.c... |
878 879 880 881 882 883 884 885 886 887 888 |
#ifdef CONFIG_SMP { .procname = "softlockup_all_cpu_backtrace", .data = &sysctl_softlockup_all_cpu_backtrace, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, #endif /* CONFIG_SMP */ |
5dc305587 x86, NMI: Add bac... |
889 890 891 892 893 894 895 896 897 |
#endif #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) { .procname = "unknown_nmi_panic", .data = &unknown_nmi_panic, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, |
504d7cf10 nmi_watchdog: Com... |
898 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
899 900 |
#if defined(CONFIG_X86) { |
8da5adda9 [PATCH] x86: Allo... |
901 902 903 904 |
.procname = "panic_on_unrecovered_nmi", .data = &panic_on_unrecovered_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
905 |
.proc_handler = proc_dointvec, |
8da5adda9 [PATCH] x86: Allo... |
906 907 |
}, { |
5211a242d x86: Add sysctl t... |
908 909 910 911 |
.procname = "panic_on_io_nmi", .data = &panic_on_io_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
912 |
.proc_handler = proc_dointvec, |
5211a242d x86: Add sysctl t... |
913 |
}, |
55af77969 x86: Panic on det... |
914 915 916 917 918 919 920 921 922 |
#ifdef CONFIG_DEBUG_STACKOVERFLOW { .procname = "panic_on_stackoverflow", .data = &sysctl_panic_on_stackoverflow, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif |
5211a242d x86: Add sysctl t... |
923 |
{ |
1da177e4c Linux-2.6.12-rc2 |
924 925 926 927 |
.procname = "bootloader_type", .data = &bootloader_type, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
928 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
929 |
}, |
0741f4d20 [PATCH] x86: add ... |
930 |
{ |
5031296c5 x86: add extensio... |
931 932 933 934 |
.procname = "bootloader_version", .data = &bootloader_version, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
935 |
.proc_handler = proc_dointvec, |
5031296c5 x86: add extensio... |
936 937 |
}, { |
0741f4d20 [PATCH] x86: add ... |
938 939 940 941 |
.procname = "kstack_depth_to_print", .data = &kstack_depth_to_print, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
942 |
.proc_handler = proc_dointvec, |
0741f4d20 [PATCH] x86: add ... |
943 |
}, |
6e7c40259 x86: various chan... |
944 |
{ |
6e7c40259 x86: various chan... |
945 946 947 948 |
.procname = "io_delay_type", .data = &io_delay_type, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
949 |
.proc_handler = proc_dointvec, |
6e7c40259 x86: various chan... |
950 |
}, |
1da177e4c Linux-2.6.12-rc2 |
951 |
#endif |
7a9166e3b [PATCH] Fix undef... |
952 |
#if defined(CONFIG_MMU) |
1da177e4c Linux-2.6.12-rc2 |
953 |
{ |
1da177e4c Linux-2.6.12-rc2 |
954 955 956 957 |
.procname = "randomize_va_space", .data = &randomize_va_space, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
958 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
959 |
}, |
7a9166e3b [PATCH] Fix undef... |
960 |
#endif |
0152fb376 [PATCH] s390: spi... |
961 |
#if defined(CONFIG_S390) && defined(CONFIG_SMP) |
951f22d5b [PATCH] s390: spi... |
962 |
{ |
951f22d5b [PATCH] s390: spi... |
963 964 965 966 |
.procname = "spin_retry", .data = &spin_retry, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
967 |
.proc_handler = proc_dointvec, |
951f22d5b [PATCH] s390: spi... |
968 969 |
}, #endif |
673d5b43d ACPI: restore CON... |
970 |
#if defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86) |
c255d844d [PATCH] suspend-t... |
971 |
{ |
c255d844d [PATCH] suspend-t... |
972 |
.procname = "acpi_video_flags", |
77afcf78a PM: Integrate bee... |
973 |
.data = &acpi_realmode_flags, |
c255d844d [PATCH] suspend-t... |
974 975 |
.maxlen = sizeof (unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
976 |
.proc_handler = proc_doulongvec_minmax, |
c255d844d [PATCH] suspend-t... |
977 978 |
}, #endif |
b6fca7253 sysctl: Enable IA... |
979 |
#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN |
d2b176ed8 [IA64] sysctl opt... |
980 |
{ |
d2b176ed8 [IA64] sysctl opt... |
981 982 983 984 |
.procname = "ignore-unaligned-usertrap", .data = &no_unaligned_warning, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
985 |
.proc_handler = proc_dointvec, |
d2b176ed8 [IA64] sysctl opt... |
986 |
}, |
b6fca7253 sysctl: Enable IA... |
987 988 |
#endif #ifdef CONFIG_IA64 |
88fc241f5 [IA64] dump stack... |
989 |
{ |
88fc241f5 [IA64] dump stack... |
990 991 992 993 |
.procname = "unaligned-dump-stack", .data = &unaligned_dump_stack, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
994 |
.proc_handler = proc_dointvec, |
88fc241f5 [IA64] dump stack... |
995 |
}, |
d2b176ed8 [IA64] sysctl opt... |
996 |
#endif |
e162b39a3 softlockup: decou... |
997 998 |
#ifdef CONFIG_DETECT_HUNG_TASK { |
e162b39a3 softlockup: decou... |
999 1000 1001 1002 |
.procname = "hung_task_panic", .data = &sysctl_hung_task_panic, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1003 |
.proc_handler = proc_dointvec_minmax, |
e162b39a3 softlockup: decou... |
1004 1005 1006 |
.extra1 = &zero, .extra2 = &one, }, |
82a1fcb90 softlockup: autom... |
1007 |
{ |
82a1fcb90 softlockup: autom... |
1008 1009 |
.procname = "hung_task_check_count", .data = &sysctl_hung_task_check_count, |
cd64647f0 hung_task: Change... |
1010 |
.maxlen = sizeof(int), |
82a1fcb90 softlockup: autom... |
1011 |
.mode = 0644, |
cd64647f0 hung_task: Change... |
1012 1013 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, |
82a1fcb90 softlockup: autom... |
1014 1015 |
}, { |
82a1fcb90 softlockup: autom... |
1016 1017 |
.procname = "hung_task_timeout_secs", .data = &sysctl_hung_task_timeout_secs, |
90739081e softlockup: fix s... |
1018 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
1019 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1020 |
.proc_handler = proc_dohung_task_timeout_secs, |
80df28476 hung_task: check ... |
1021 |
.extra2 = &hung_task_timeout_max, |
82a1fcb90 softlockup: autom... |
1022 1023 |
}, { |
82a1fcb90 softlockup: autom... |
1024 1025 |
.procname = "hung_task_warnings", .data = &sysctl_hung_task_warnings, |
270750dbc hung_task: Displa... |
1026 |
.maxlen = sizeof(int), |
82a1fcb90 softlockup: autom... |
1027 |
.mode = 0644, |
270750dbc hung_task: Displa... |
1028 1029 |
.proc_handler = proc_dointvec_minmax, .extra1 = &neg_one, |
82a1fcb90 softlockup: autom... |
1030 |
}, |
c4f3b63fe softlockup: add a... |
1031 |
#endif |
bebfa1013 [PATCH] x86_64: A... |
1032 1033 |
#ifdef CONFIG_COMPAT { |
bebfa1013 [PATCH] x86_64: A... |
1034 1035 1036 1037 |
.procname = "compat-log", .data = &compat_log, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1038 |
.proc_handler = proc_dointvec, |
bebfa1013 [PATCH] x86_64: A... |
1039 1040 |
}, #endif |
23f78d4a0 [PATCH] pi-futex:... |
1041 1042 |
#ifdef CONFIG_RT_MUTEXES { |
23f78d4a0 [PATCH] pi-futex:... |
1043 1044 1045 1046 |
.procname = "max_lock_depth", .data = &max_lock_depth, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1047 |
.proc_handler = proc_dointvec, |
23f78d4a0 [PATCH] pi-futex:... |
1048 1049 |
}, #endif |
10a0a8d4e Add common orderl... |
1050 |
{ |
10a0a8d4e Add common orderl... |
1051 1052 1053 1054 |
.procname = "poweroff_cmd", .data = &poweroff_cmd, .maxlen = POWEROFF_CMD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1055 |
.proc_handler = proc_dostring, |
10a0a8d4e Add common orderl... |
1056 |
}, |
0b77f5bfb keys: make the ke... |
1057 1058 |
#ifdef CONFIG_KEYS { |
0b77f5bfb keys: make the ke... |
1059 1060 1061 1062 1063 |
.procname = "keys", .mode = 0555, .child = key_sysctls, }, #endif |
cdd6c482c perf: Do the big ... |
1064 |
#ifdef CONFIG_PERF_EVENTS |
aa4a22187 perf: Comment /pr... |
1065 1066 1067 1068 1069 1070 |
/* * User-space scripts rely on the existence of this file * as a feature check for perf_events being enabled. * * So it's an ABI, do not remove! */ |
1ccd15497 perf_counter: sys... |
1071 |
{ |
cdd6c482c perf: Do the big ... |
1072 1073 1074 |
.procname = "perf_event_paranoid", .data = &sysctl_perf_event_paranoid, .maxlen = sizeof(sysctl_perf_event_paranoid), |
1ccd15497 perf_counter: sys... |
1075 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1076 |
.proc_handler = proc_dointvec, |
1ccd15497 perf_counter: sys... |
1077 |
}, |
c5078f78b perf_counter: pro... |
1078 |
{ |
cdd6c482c perf: Do the big ... |
1079 1080 1081 |
.procname = "perf_event_mlock_kb", .data = &sysctl_perf_event_mlock, .maxlen = sizeof(sysctl_perf_event_mlock), |
c5078f78b perf_counter: pro... |
1082 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1083 |
.proc_handler = proc_dointvec, |
c5078f78b perf_counter: pro... |
1084 |
}, |
a78ac3258 perf_counter: Gen... |
1085 |
{ |
cdd6c482c perf: Do the big ... |
1086 1087 1088 |
.procname = "perf_event_max_sample_rate", .data = &sysctl_perf_event_sample_rate, .maxlen = sizeof(sysctl_perf_event_sample_rate), |
a78ac3258 perf_counter: Gen... |
1089 |
.mode = 0644, |
163ec4354 perf: Optimize th... |
1090 |
.proc_handler = perf_proc_update_handler, |
723478c8a perf: Enforce 1 a... |
1091 |
.extra1 = &one, |
a78ac3258 perf_counter: Gen... |
1092 |
}, |
14c63f17b perf: Drop sample... |
1093 1094 1095 1096 1097 1098 1099 1100 1101 |
{ .procname = "perf_cpu_time_max_percent", .data = &sysctl_perf_cpu_time_max_percent, .maxlen = sizeof(sysctl_perf_cpu_time_max_percent), .mode = 0644, .proc_handler = perf_cpu_time_max_percent_handler, .extra1 = &zero, .extra2 = &one_hundred, }, |
1ccd15497 perf_counter: sys... |
1102 |
#endif |
dfec072ec kmemcheck: add th... |
1103 1104 |
#ifdef CONFIG_KMEMCHECK { |
dfec072ec kmemcheck: add th... |
1105 1106 1107 1108 |
.procname = "kmemcheck", .data = &kmemcheck_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1109 |
.proc_handler = proc_dointvec, |
dfec072ec kmemcheck: add th... |
1110 1111 |
}, #endif |
9e3961a09 kernel: add panic... |
1112 1113 1114 1115 1116 1117 1118 1119 1120 |
{ .procname = "panic_on_warn", .data = &panic_on_warn, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, |
6fce56ec9 sysctl: Remove re... |
1121 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1122 |
}; |
d8217f076 sysctl core: Stop... |
1123 |
static struct ctl_table vm_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1124 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1125 1126 1127 1128 |
.procname = "overcommit_memory", .data = &sysctl_overcommit_memory, .maxlen = sizeof(sysctl_overcommit_memory), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1129 1130 1131 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, |
1da177e4c Linux-2.6.12-rc2 |
1132 1133 |
}, { |
fadd8fbd1 [PATCH] support f... |
1134 1135 1136 1137 |
.procname = "panic_on_oom", .data = &sysctl_panic_on_oom, .maxlen = sizeof(sysctl_panic_on_oom), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1138 1139 1140 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, |
fadd8fbd1 [PATCH] support f... |
1141 1142 |
}, { |
fe071d7e8 oom: add oom_kill... |
1143 1144 1145 1146 |
.procname = "oom_kill_allocating_task", .data = &sysctl_oom_kill_allocating_task, .maxlen = sizeof(sysctl_oom_kill_allocating_task), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1147 |
.proc_handler = proc_dointvec, |
fe071d7e8 oom: add oom_kill... |
1148 1149 |
}, { |
fef1bdd68 oom: add sysctl t... |
1150 1151 1152 1153 |
.procname = "oom_dump_tasks", .data = &sysctl_oom_dump_tasks, .maxlen = sizeof(sysctl_oom_dump_tasks), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1154 |
.proc_handler = proc_dointvec, |
fef1bdd68 oom: add sysctl t... |
1155 1156 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1157 1158 1159 1160 |
.procname = "overcommit_ratio", .data = &sysctl_overcommit_ratio, .maxlen = sizeof(sysctl_overcommit_ratio), .mode = 0644, |
49f0ce5f9 mm: add overcommi... |
1161 1162 1163 1164 1165 1166 1167 1168 |
.proc_handler = overcommit_ratio_handler, }, { .procname = "overcommit_kbytes", .data = &sysctl_overcommit_kbytes, .maxlen = sizeof(sysctl_overcommit_kbytes), .mode = 0644, .proc_handler = overcommit_kbytes_handler, |
1da177e4c Linux-2.6.12-rc2 |
1169 1170 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1171 1172 1173 1174 |
.procname = "page-cluster", .data = &page_cluster, .maxlen = sizeof(int), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1175 1176 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1177 1178 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1179 1180 1181 1182 |
.procname = "dirty_background_ratio", .data = &dirty_background_ratio, .maxlen = sizeof(dirty_background_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1183 |
.proc_handler = dirty_background_ratio_handler, |
1da177e4c Linux-2.6.12-rc2 |
1184 1185 1186 1187 |
.extra1 = &zero, .extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
1188 1189 1190 1191 |
.procname = "dirty_background_bytes", .data = &dirty_background_bytes, .maxlen = sizeof(dirty_background_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1192 |
.proc_handler = dirty_background_bytes_handler, |
fc3501d41 mm: fix dirty_byt... |
1193 |
.extra1 = &one_ul, |
2da02997e mm: add dirty_bac... |
1194 1195 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1196 1197 1198 1199 |
.procname = "dirty_ratio", .data = &vm_dirty_ratio, .maxlen = sizeof(vm_dirty_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1200 |
.proc_handler = dirty_ratio_handler, |
1da177e4c Linux-2.6.12-rc2 |
1201 1202 1203 1204 |
.extra1 = &zero, .extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
1205 1206 1207 1208 |
.procname = "dirty_bytes", .data = &vm_dirty_bytes, .maxlen = sizeof(vm_dirty_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1209 |
.proc_handler = dirty_bytes_handler, |
9e4a5bda8 mm: prevent divid... |
1210 |
.extra1 = &dirty_bytes_min, |
2da02997e mm: add dirty_bac... |
1211 1212 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1213 |
.procname = "dirty_writeback_centisecs", |
f6ef94381 [PATCH] Represent... |
1214 1215 |
.data = &dirty_writeback_interval, .maxlen = sizeof(dirty_writeback_interval), |
1da177e4c Linux-2.6.12-rc2 |
1216 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1217 |
.proc_handler = dirty_writeback_centisecs_handler, |
1da177e4c Linux-2.6.12-rc2 |
1218 1219 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1220 |
.procname = "dirty_expire_centisecs", |
f6ef94381 [PATCH] Represent... |
1221 1222 |
.data = &dirty_expire_interval, .maxlen = sizeof(dirty_expire_interval), |
1da177e4c Linux-2.6.12-rc2 |
1223 |
.mode = 0644, |
cb16e95fa sysctl: add some ... |
1224 1225 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1226 1227 |
}, { |
1efff914a fs: add dirtytime... |
1228 1229 1230 1231 1232 1233 1234 1235 |
.procname = "dirtytime_expire_seconds", .data = &dirtytime_expire_interval, .maxlen = sizeof(dirty_expire_interval), .mode = 0644, .proc_handler = dirtytime_interval_handler, .extra1 = &zero, }, { |
3965c9ae4 mm: prepare for r... |
1236 1237 1238 |
.procname = "nr_pdflush_threads", .mode = 0444 /* read-only */, .proc_handler = pdflush_proc_obsolete, |
1da177e4c Linux-2.6.12-rc2 |
1239 1240 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1241 1242 1243 1244 |
.procname = "swappiness", .data = &vm_swappiness, .maxlen = sizeof(vm_swappiness), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1245 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1246 1247 1248 1249 |
.extra1 = &zero, .extra2 = &one_hundred, }, #ifdef CONFIG_HUGETLB_PAGE |
06808b082 hugetlb: derive h... |
1250 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1251 |
.procname = "nr_hugepages", |
e5ff21594 hugetlb: multiple... |
1252 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
1253 1254 |
.maxlen = sizeof(unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1255 |
.proc_handler = hugetlb_sysctl_handler, |
06808b082 hugetlb: derive h... |
1256 1257 1258 1259 1260 1261 1262 1263 |
}, #ifdef CONFIG_NUMA { .procname = "nr_hugepages_mempolicy", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = &hugetlb_mempolicy_sysctl_handler, |
06808b082 hugetlb: derive h... |
1264 1265 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
1266 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1267 1268 1269 1270 |
.procname = "hugetlb_shm_group", .data = &sysctl_hugetlb_shm_group, .maxlen = sizeof(gid_t), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1271 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1272 |
}, |
396faf030 Allow huge page a... |
1273 |
{ |
396faf030 Allow huge page a... |
1274 1275 1276 1277 |
.procname = "hugepages_treat_as_movable", .data = &hugepages_treat_as_movable, .maxlen = sizeof(int), .mode = 0644, |
86cdb465c mm: prepare to re... |
1278 |
.proc_handler = proc_dointvec, |
396faf030 Allow huge page a... |
1279 |
}, |
54f9f80d6 hugetlb: Add huge... |
1280 |
{ |
d1c3fb1f8 hugetlb: introduc... |
1281 |
.procname = "nr_overcommit_hugepages", |
e5ff21594 hugetlb: multiple... |
1282 1283 |
.data = NULL, .maxlen = sizeof(unsigned long), |
d1c3fb1f8 hugetlb: introduc... |
1284 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1285 |
.proc_handler = hugetlb_overcommit_handler, |
d1c3fb1f8 hugetlb: introduc... |
1286 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1287 1288 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1289 1290 1291 1292 |
.procname = "lowmem_reserve_ratio", .data = &sysctl_lowmem_reserve_ratio, .maxlen = sizeof(sysctl_lowmem_reserve_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1293 |
.proc_handler = lowmem_reserve_ratio_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1294 1295 |
}, { |
9d0243bca [PATCH] drop-page... |
1296 1297 1298 1299 1300 |
.procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), .mode = 0644, .proc_handler = drop_caches_sysctl_handler, |
cb16e95fa sysctl: add some ... |
1301 |
.extra1 = &one, |
5509a5d27 drop_caches: add ... |
1302 |
.extra2 = &four, |
9d0243bca [PATCH] drop-page... |
1303 |
}, |
76ab0f530 mm: compaction: a... |
1304 1305 1306 1307 1308 1309 1310 1311 |
#ifdef CONFIG_COMPACTION { .procname = "compact_memory", .data = &sysctl_compact_memory, .maxlen = sizeof(int), .mode = 0200, .proc_handler = sysctl_compaction_handler, }, |
5e7719058 mm: compaction: a... |
1312 1313 1314 1315 1316 1317 1318 1319 1320 |
{ .procname = "extfrag_threshold", .data = &sysctl_extfrag_threshold, .maxlen = sizeof(int), .mode = 0644, .proc_handler = sysctl_extfrag_handler, .extra1 = &min_extfrag_threshold, .extra2 = &max_extfrag_threshold, }, |
5bbe3547a mm: allow compact... |
1321 1322 1323 1324 1325 1326 1327 1328 1329 |
{ .procname = "compact_unevictable_allowed", .data = &sysctl_compact_unevictable_allowed, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, .extra2 = &one, }, |
5e7719058 mm: compaction: a... |
1330 |
|
76ab0f530 mm: compaction: a... |
1331 |
#endif /* CONFIG_COMPACTION */ |
9d0243bca [PATCH] drop-page... |
1332 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1333 1334 1335 1336 |
.procname = "min_free_kbytes", .data = &min_free_kbytes, .maxlen = sizeof(min_free_kbytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1337 |
.proc_handler = min_free_kbytes_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1338 1339 |
.extra1 = &zero, }, |
8ad4b1fb8 [PATCH] Make high... |
1340 |
{ |
d76007969 add extra free kb... |
1341 1342 1343 1344 1345 1346 1347 1348 |
.procname = "extra_free_kbytes", .data = &extra_free_kbytes, .maxlen = sizeof(extra_free_kbytes), .mode = 0644, .proc_handler = min_free_kbytes_sysctl_handler, .extra1 = &zero, }, { |
c3864001f mm: Add min_free_... |
1349 1350 1351 1352 1353 1354 1355 |
.procname = "min_free_order_shift", .data = &min_free_order_shift, .maxlen = sizeof(min_free_order_shift), .mode = 0644, .proc_handler = &proc_dointvec }, { |
8ad4b1fb8 [PATCH] Make high... |
1356 1357 1358 1359 |
.procname = "percpu_pagelist_fraction", .data = &percpu_pagelist_fraction, .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1360 |
.proc_handler = percpu_pagelist_fraction_sysctl_handler, |
7cd2b0a34 mm, pcp: allow re... |
1361 |
.extra1 = &zero, |
8ad4b1fb8 [PATCH] Make high... |
1362 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1363 1364 |
#ifdef CONFIG_MMU { |
1da177e4c Linux-2.6.12-rc2 |
1365 1366 1367 1368 |
.procname = "max_map_count", .data = &sysctl_max_map_count, .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, |
3e26120cc kernel/sysctl.c: ... |
1369 |
.proc_handler = proc_dointvec_minmax, |
70da2340f 'sysctl_max_map_c... |
1370 |
.extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1371 |
}, |
dd8632a12 NOMMU: Make mmap ... |
1372 1373 |
#else { |
dd8632a12 NOMMU: Make mmap ... |
1374 1375 1376 1377 |
.procname = "nr_trim_pages", .data = &sysctl_nr_trim_pages, .maxlen = sizeof(sysctl_nr_trim_pages), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1378 |
.proc_handler = proc_dointvec_minmax, |
dd8632a12 NOMMU: Make mmap ... |
1379 1380 |
.extra1 = &zero, }, |
1da177e4c Linux-2.6.12-rc2 |
1381 1382 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1383 1384 1385 1386 |
.procname = "laptop_mode", .data = &laptop_mode, .maxlen = sizeof(laptop_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1387 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
1388 1389 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1390 1391 1392 1393 |
.procname = "block_dump", .data = &block_dump, .maxlen = sizeof(block_dump), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1394 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1395 1396 1397 |
.extra1 = &zero, }, { |
1da177e4c Linux-2.6.12-rc2 |
1398 1399 1400 1401 |
.procname = "vfs_cache_pressure", .data = &sysctl_vfs_cache_pressure, .maxlen = sizeof(sysctl_vfs_cache_pressure), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1402 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1403 1404 1405 1406 |
.extra1 = &zero, }, #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT { |
1da177e4c Linux-2.6.12-rc2 |
1407 1408 1409 1410 |
.procname = "legacy_va_layout", .data = &sysctl_legacy_va_layout, .maxlen = sizeof(sysctl_legacy_va_layout), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1411 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1412 1413 1414 |
.extra1 = &zero, }, #endif |
1743660b9 [PATCH] Zone recl... |
1415 1416 |
#ifdef CONFIG_NUMA { |
1743660b9 [PATCH] Zone recl... |
1417 1418 1419 1420 |
.procname = "zone_reclaim_mode", .data = &zone_reclaim_mode, .maxlen = sizeof(zone_reclaim_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1421 |
.proc_handler = proc_dointvec, |
c84db23c6 [PATCH] zone_recl... |
1422 |
.extra1 = &zero, |
1743660b9 [PATCH] Zone recl... |
1423 |
}, |
9614634fe [PATCH] ZVC/zone_... |
1424 |
{ |
9614634fe [PATCH] ZVC/zone_... |
1425 1426 1427 1428 |
.procname = "min_unmapped_ratio", .data = &sysctl_min_unmapped_ratio, .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1429 |
.proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, |
9614634fe [PATCH] ZVC/zone_... |
1430 1431 1432 |
.extra1 = &zero, .extra2 = &one_hundred, }, |
0ff38490c [PATCH] zone_recl... |
1433 |
{ |
0ff38490c [PATCH] zone_recl... |
1434 1435 1436 1437 |
.procname = "min_slab_ratio", .data = &sysctl_min_slab_ratio, .maxlen = sizeof(sysctl_min_slab_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1438 |
.proc_handler = sysctl_min_slab_ratio_sysctl_handler, |
0ff38490c [PATCH] zone_recl... |
1439 1440 1441 |
.extra1 = &zero, .extra2 = &one_hundred, }, |
1743660b9 [PATCH] Zone recl... |
1442 |
#endif |
77461ab33 Make vm statistic... |
1443 1444 |
#ifdef CONFIG_SMP { |
77461ab33 Make vm statistic... |
1445 1446 1447 1448 |
.procname = "stat_interval", .data = &sysctl_stat_interval, .maxlen = sizeof(sysctl_stat_interval), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1449 |
.proc_handler = proc_dointvec_jiffies, |
77461ab33 Make vm statistic... |
1450 1451 |
}, #endif |
6e1415467 NOMMU: Optimise a... |
1452 |
#ifdef CONFIG_MMU |
ed0321895 security: Protect... |
1453 |
{ |
ed0321895 security: Protect... |
1454 |
.procname = "mmap_min_addr", |
788084aba Security/SELinux:... |
1455 1456 |
.data = &dac_mmap_min_addr, .maxlen = sizeof(unsigned long), |
ed0321895 security: Protect... |
1457 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1458 |
.proc_handler = mmap_min_addr_handler, |
ed0321895 security: Protect... |
1459 |
}, |
6e1415467 NOMMU: Optimise a... |
1460 |
#endif |
f0c0b2b80 change zonelist o... |
1461 1462 |
#ifdef CONFIG_NUMA { |
f0c0b2b80 change zonelist o... |
1463 1464 1465 1466 |
.procname = "numa_zonelist_order", .data = &numa_zonelist_order, .maxlen = NUMA_ZONELIST_ORDER_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1467 |
.proc_handler = numa_zonelist_order_handler, |
f0c0b2b80 change zonelist o... |
1468 1469 |
}, #endif |
2b8232ce5 minimal build fix... |
1470 |
#if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ |
5c36e6578 sysctl: Support v... |
1471 |
(defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) |
e6e5494cb [PATCH] vdso: ran... |
1472 |
{ |
e6e5494cb [PATCH] vdso: ran... |
1473 |
.procname = "vdso_enabled", |
3d7ee969b x86, vdso: Clean ... |
1474 1475 1476 1477 |
#ifdef CONFIG_X86_32 .data = &vdso32_enabled, .maxlen = sizeof(vdso32_enabled), #else |
e6e5494cb [PATCH] vdso: ran... |
1478 1479 |
.data = &vdso_enabled, .maxlen = sizeof(vdso_enabled), |
3d7ee969b x86, vdso: Clean ... |
1480 |
#endif |
e6e5494cb [PATCH] vdso: ran... |
1481 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1482 |
.proc_handler = proc_dointvec, |
e6e5494cb [PATCH] vdso: ran... |
1483 1484 1485 |
.extra1 = &zero, }, #endif |
195cf453d mm/page-writeback... |
1486 1487 |
#ifdef CONFIG_HIGHMEM { |
195cf453d mm/page-writeback... |
1488 1489 1490 1491 |
.procname = "highmem_is_dirtyable", .data = &vm_highmem_is_dirtyable, .maxlen = sizeof(vm_highmem_is_dirtyable), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1492 |
.proc_handler = proc_dointvec_minmax, |
195cf453d mm/page-writeback... |
1493 1494 1495 1496 |
.extra1 = &zero, .extra2 = &one, }, #endif |
6a46079cf HWPOISON: The hig... |
1497 1498 |
#ifdef CONFIG_MEMORY_FAILURE { |
6a46079cf HWPOISON: The hig... |
1499 1500 1501 1502 |
.procname = "memory_failure_early_kill", .data = &sysctl_memory_failure_early_kill, .maxlen = sizeof(sysctl_memory_failure_early_kill), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1503 |
.proc_handler = proc_dointvec_minmax, |
6a46079cf HWPOISON: The hig... |
1504 1505 1506 1507 |
.extra1 = &zero, .extra2 = &one, }, { |
6a46079cf HWPOISON: The hig... |
1508 1509 1510 1511 |
.procname = "memory_failure_recovery", .data = &sysctl_memory_failure_recovery, .maxlen = sizeof(sysctl_memory_failure_recovery), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1512 |
.proc_handler = proc_dointvec_minmax, |
6a46079cf HWPOISON: The hig... |
1513 1514 1515 1516 |
.extra1 = &zero, .extra2 = &one, }, #endif |
c9b1d0981 mm: limit growth ... |
1517 1518 1519 1520 1521 1522 1523 |
{ .procname = "user_reserve_kbytes", .data = &sysctl_user_reserve_kbytes, .maxlen = sizeof(sysctl_user_reserve_kbytes), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, |
4eeab4f55 mm: replace hardc... |
1524 1525 1526 1527 1528 1529 1530 |
{ .procname = "admin_reserve_kbytes", .data = &sysctl_admin_reserve_kbytes, .maxlen = sizeof(sysctl_admin_reserve_kbytes), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, |
6fce56ec9 sysctl: Remove re... |
1531 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1532 |
}; |
d8217f076 sysctl core: Stop... |
1533 |
static struct ctl_table fs_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1534 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1535 1536 |
.procname = "inode-nr", .data = &inodes_stat, |
3942c07cc fs: bump inode an... |
1537 |
.maxlen = 2*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1538 |
.mode = 0444, |
cffbc8aa3 fs: Convert nr_in... |
1539 |
.proc_handler = proc_nr_inodes, |
1da177e4c Linux-2.6.12-rc2 |
1540 1541 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1542 1543 |
.procname = "inode-state", .data = &inodes_stat, |
3942c07cc fs: bump inode an... |
1544 |
.maxlen = 7*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1545 |
.mode = 0444, |
cffbc8aa3 fs: Convert nr_in... |
1546 |
.proc_handler = proc_nr_inodes, |
1da177e4c Linux-2.6.12-rc2 |
1547 1548 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1549 1550 |
.procname = "file-nr", .data = &files_stat, |
518de9b39 fs: allow for mor... |
1551 |
.maxlen = sizeof(files_stat), |
1da177e4c Linux-2.6.12-rc2 |
1552 |
.mode = 0444, |
6d4561110 sysctl: Drop & in... |
1553 |
.proc_handler = proc_nr_files, |
1da177e4c Linux-2.6.12-rc2 |
1554 1555 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1556 1557 |
.procname = "file-max", .data = &files_stat.max_files, |
518de9b39 fs: allow for mor... |
1558 |
.maxlen = sizeof(files_stat.max_files), |
1da177e4c Linux-2.6.12-rc2 |
1559 |
.mode = 0644, |
518de9b39 fs: allow for mor... |
1560 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1561 1562 |
}, { |
9cfe015aa get rid of NR_OPE... |
1563 1564 1565 1566 |
.procname = "nr_open", .data = &sysctl_nr_open, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1567 |
.proc_handler = proc_dointvec_minmax, |
eceea0b3d [PATCH] avoid mul... |
1568 1569 |
.extra1 = &sysctl_nr_open_min, .extra2 = &sysctl_nr_open_max, |
9cfe015aa get rid of NR_OPE... |
1570 1571 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1572 1573 |
.procname = "dentry-state", .data = &dentry_stat, |
3942c07cc fs: bump inode an... |
1574 |
.maxlen = 6*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1575 |
.mode = 0444, |
312d3ca85 fs: use percpu co... |
1576 |
.proc_handler = proc_nr_dentry, |
1da177e4c Linux-2.6.12-rc2 |
1577 1578 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1579 1580 1581 1582 |
.procname = "overflowuid", .data = &fs_overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1583 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1584 1585 1586 1587 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
1588 1589 1590 1591 |
.procname = "overflowgid", .data = &fs_overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1592 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1593 1594 1595 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
bfcd17a6c Configure out fil... |
1596 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1597 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1598 1599 1600 1601 |
.procname = "leases-enable", .data = &leases_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1602 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1603 |
}, |
bfcd17a6c Configure out fil... |
1604 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
1605 1606 |
#ifdef CONFIG_DNOTIFY { |
1da177e4c Linux-2.6.12-rc2 |
1607 1608 1609 1610 |
.procname = "dir-notify-enable", .data = &dir_notify_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1611 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1612 1613 1614 |
}, #endif #ifdef CONFIG_MMU |
bfcd17a6c Configure out fil... |
1615 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1616 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1617 1618 1619 1620 |
.procname = "lease-break-time", .data = &lease_break_time, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1621 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1622 |
}, |
bfcd17a6c Configure out fil... |
1623 |
#endif |
ebf3f09c6 Configure out AIO... |
1624 |
#ifdef CONFIG_AIO |
1da177e4c Linux-2.6.12-rc2 |
1625 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1626 1627 1628 1629 |
.procname = "aio-nr", .data = &aio_nr, .maxlen = sizeof(aio_nr), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1630 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1631 1632 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1633 1634 1635 1636 |
.procname = "aio-max-nr", .data = &aio_max_nr, .maxlen = sizeof(aio_max_nr), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1637 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1638 |
}, |
ebf3f09c6 Configure out AIO... |
1639 |
#endif /* CONFIG_AIO */ |
2d9048e20 [PATCH] inotify (... |
1640 |
#ifdef CONFIG_INOTIFY_USER |
0399cb08c [PATCH] inotify: ... |
1641 |
{ |
0399cb08c [PATCH] inotify: ... |
1642 1643 1644 1645 1646 |
.procname = "inotify", .mode = 0555, .child = inotify_table, }, #endif |
7ef9964e6 epoll: introduce ... |
1647 1648 1649 1650 1651 1652 1653 |
#ifdef CONFIG_EPOLL { .procname = "epoll", .mode = 0555, .child = epoll_table, }, #endif |
1da177e4c Linux-2.6.12-rc2 |
1654 |
#endif |
d6e711448 [PATCH] setuid co... |
1655 |
{ |
800179c9b fs: add link rest... |
1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 |
.procname = "protected_symlinks", .data = &sysctl_protected_symlinks, .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, { .procname = "protected_hardlinks", .data = &sysctl_protected_hardlinks, .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, { |
d6e711448 [PATCH] setuid co... |
1674 1675 1676 1677 |
.procname = "suid_dumpable", .data = &suid_dumpable, .maxlen = sizeof(int), .mode = 0644, |
54b501992 coredump: warn ab... |
1678 |
.proc_handler = proc_dointvec_minmax_coredump, |
8e654fba4 sysctl: fix suid_... |
1679 1680 |
.extra1 = &zero, .extra2 = &two, |
d6e711448 [PATCH] setuid co... |
1681 |
}, |
2abc26fc6 [PATCH] sysctl: c... |
1682 1683 |
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) { |
2abc26fc6 [PATCH] sysctl: c... |
1684 1685 |
.procname = "binfmt_misc", .mode = 0555, |
bdbdf7ee9 sysctl: Allow cre... |
1686 |
.child = sysctl_mount_point, |
2abc26fc6 [PATCH] sysctl: c... |
1687 1688 |
}, #endif |
b492e95be pipe: set lower a... |
1689 |
{ |
ff9da691c pipe: change /pro... |
1690 1691 |
.procname = "pipe-max-size", .data = &pipe_max_size, |
b492e95be pipe: set lower a... |
1692 1693 |
.maxlen = sizeof(int), .mode = 0644, |
ff9da691c pipe: change /pro... |
1694 1695 |
.proc_handler = &pipe_proc_fn, .extra1 = &pipe_min_size, |
b492e95be pipe: set lower a... |
1696 |
}, |
6fce56ec9 sysctl: Remove re... |
1697 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1698 |
}; |
d8217f076 sysctl core: Stop... |
1699 |
static struct ctl_table debug_table[] = { |
7ac57a89d Kconfig: clean up... |
1700 |
#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE |
abd4f7505 x86: i386-show-un... |
1701 |
{ |
abd4f7505 x86: i386-show-un... |
1702 1703 1704 1705 1706 1707 1708 |
.procname = "exception-trace", .data = &show_unhandled_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec }, #endif |
b2be84df9 kprobes: Jump opt... |
1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 |
#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... |
1720 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1721 |
}; |
d8217f076 sysctl core: Stop... |
1722 |
static struct ctl_table dev_table[] = { |
6fce56ec9 sysctl: Remove re... |
1723 |
{ } |
0eeca2830 [PATCH] inotify |
1724 |
}; |
1da177e4c Linux-2.6.12-rc2 |
1725 |
|
de4e83bd6 sysctl: Register ... |
1726 |
int __init sysctl_init(void) |
d912b0cc1 [PATCH] sysctl: a... |
1727 |
{ |
fd4b616b0 sysctl: suppress ... |
1728 1729 1730 1731 |
struct ctl_table_header *hdr; hdr = register_sysctl_table(sysctl_base_table); kmemleak_not_leak(hdr); |
d912b0cc1 [PATCH] sysctl: a... |
1732 1733 |
return 0; } |
b89a81712 [PATCH] sysctl: A... |
1734 |
#endif /* CONFIG_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
1735 1736 1737 |
/* * /proc/sys support */ |
b89a81712 [PATCH] sysctl: A... |
1738 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
1739 |
|
f88083005 sysctl: clean up ... |
1740 1741 |
static int _proc_do_string(char *data, int maxlen, int write, char __user *buffer, |
b1ba4ddde [PATCH] make kern... |
1742 |
size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
1743 1744 1745 1746 |
{ size_t len; char __user *p; char c; |
8d0608771 [PATCH] _proc_do_... |
1747 1748 |
if (!data || !maxlen || !*lenp) { |
1da177e4c Linux-2.6.12-rc2 |
1749 1750 1751 |
*lenp = 0; return 0; } |
8d0608771 [PATCH] _proc_do_... |
1752 |
|
1da177e4c Linux-2.6.12-rc2 |
1753 |
if (write) { |
f4aacea2f sysctl: allow for... |
1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 |
if (sysctl_writes_strict == SYSCTL_WRITES_STRICT) { /* Only continue writes not past the end of buffer. */ len = strlen(data); if (len > maxlen - 1) len = maxlen - 1; if (*ppos > len) return 0; len = *ppos; } else { /* Start writing from beginning of buffer. */ len = 0; } |
2ca9bb456 sysctl: refactor ... |
1767 |
*ppos += *lenp; |
1da177e4c Linux-2.6.12-rc2 |
1768 |
p = buffer; |
2ca9bb456 sysctl: refactor ... |
1769 |
while ((p - buffer) < *lenp && len < maxlen - 1) { |
1da177e4c Linux-2.6.12-rc2 |
1770 1771 1772 1773 1774 |
if (get_user(c, p++)) return -EFAULT; if (c == 0 || c == ' ') break; |
2ca9bb456 sysctl: refactor ... |
1775 |
data[len++] = c; |
1da177e4c Linux-2.6.12-rc2 |
1776 |
} |
f88083005 sysctl: clean up ... |
1777 |
data[len] = 0; |
1da177e4c Linux-2.6.12-rc2 |
1778 |
} else { |
f5dd3d6fa [PATCH] proc: sys... |
1779 1780 1781 |
len = strlen(data); if (len > maxlen) len = maxlen; |
8d0608771 [PATCH] _proc_do_... |
1782 1783 1784 1785 1786 1787 1788 1789 |
if (*ppos > len) { *lenp = 0; return 0; } data += *ppos; len -= *ppos; |
1da177e4c Linux-2.6.12-rc2 |
1790 1791 1792 |
if (len > *lenp) len = *lenp; if (len) |
f88083005 sysctl: clean up ... |
1793 |
if (copy_to_user(buffer, data, len)) |
1da177e4c Linux-2.6.12-rc2 |
1794 1795 |
return -EFAULT; if (len < *lenp) { |
f88083005 sysctl: clean up ... |
1796 1797 |
if (put_user(' ', buffer + len)) |
1da177e4c Linux-2.6.12-rc2 |
1798 1799 1800 1801 1802 1803 1804 1805 |
return -EFAULT; len++; } *lenp = len; *ppos += len; } return 0; } |
f4aacea2f sysctl: allow for... |
1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 |
static void warn_sysctl_write(struct ctl_table *table) { pr_warn_once("%s wrote to %s when file position was not 0! " "This will not be supported in the future. To silence this " "warning, set kernel.sysctl_writes_strict = -1 ", current->comm, table->procname); } |
f5dd3d6fa [PATCH] proc: sys... |
1816 1817 1818 1819 |
/** * 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... |
1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 |
* @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... |
1834 |
int proc_dostring(struct ctl_table *table, int write, |
f5dd3d6fa [PATCH] proc: sys... |
1835 1836 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
f4aacea2f sysctl: allow for... |
1837 1838 |
if (write && *ppos && sysctl_writes_strict == SYSCTL_WRITES_WARN) warn_sysctl_write(table); |
f88083005 sysctl: clean up ... |
1839 1840 |
return _proc_do_string((char *)(table->data), table->maxlen, write, (char __user *)buffer, lenp, ppos); |
f5dd3d6fa [PATCH] proc: sys... |
1841 |
} |
00b7c3395 sysctl: refactor ... |
1842 1843 1844 1845 1846 1847 1848 1849 |
static size_t proc_skip_spaces(char **buf) { size_t ret; char *tmp = skip_spaces(*buf); ret = tmp - *buf; *buf = tmp; return ret; } |
9f977fb7a sysctl: add proc_... |
1850 1851 1852 1853 1854 1855 1856 1857 1858 |
static void proc_skip_char(char **buf, size_t *size, const char v) { while (*size) { if (**buf != v) break; (*size)--; (*buf)++; } } |
00b7c3395 sysctl: refactor ... |
1859 1860 |
#define TMPBUFLEN 22 /** |
0fc377bd6 sysctl: fix kerne... |
1861 |
* proc_get_long - reads an ASCII formatted integer from a user buffer |
00b7c3395 sysctl: refactor ... |
1862 |
* |
0fc377bd6 sysctl: fix kerne... |
1863 1864 1865 1866 1867 1868 1869 |
* @buf: a kernel buffer * @size: size of the kernel buffer * @val: this is where the number will be stored * @neg: set to %TRUE if number is negative * @perm_tr: a vector which contains the allowed trailers * @perm_tr_len: size of the perm_tr vector * @tr: pointer to store the trailer character |
00b7c3395 sysctl: refactor ... |
1870 |
* |
0fc377bd6 sysctl: fix kerne... |
1871 1872 1873 1874 |
* In case of success %0 is returned and @buf and @size are updated with * the amount of bytes read. If @tr is non-NULL and a trailing * character exists (size is non-zero after returning from this * function), @tr is updated with the trailing character. |
00b7c3395 sysctl: refactor ... |
1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 |
*/ static int proc_get_long(char **buf, size_t *size, unsigned long *val, bool *neg, const char *perm_tr, unsigned perm_tr_len, char *tr) { int len; char *p, tmp[TMPBUFLEN]; if (!*size) return -EINVAL; len = *size; if (len > TMPBUFLEN - 1) len = TMPBUFLEN - 1; memcpy(tmp, *buf, len); tmp[len] = 0; p = tmp; if (*p == '-' && *size > 1) { *neg = true; p++; } else *neg = false; if (!isdigit(*p)) return -EINVAL; *val = simple_strtoul(p, &p, 0); len = p - tmp; /* We don't know if the next char is whitespace thus we may accept * invalid integers (e.g. 1234...a) or two integers instead of one * (e.g. 123...1). So lets not allow such large numbers. */ if (len == TMPBUFLEN - 1) return -EINVAL; if (len < *size && perm_tr_len && !memchr(perm_tr, *p, perm_tr_len)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
1914 |
|
00b7c3395 sysctl: refactor ... |
1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 |
if (tr && (len < *size)) *tr = *p; *buf += len; *size -= len; return 0; } /** |
0fc377bd6 sysctl: fix kerne... |
1925 |
* proc_put_long - converts an integer to a decimal ASCII formatted string |
00b7c3395 sysctl: refactor ... |
1926 |
* |
0fc377bd6 sysctl: fix kerne... |
1927 1928 1929 1930 |
* @buf: the user buffer * @size: the size of the user buffer * @val: the integer to be converted * @neg: sign of the number, %TRUE for negative |
00b7c3395 sysctl: refactor ... |
1931 |
* |
0fc377bd6 sysctl: fix kerne... |
1932 1933 |
* In case of success %0 is returned and @buf and @size are updated with * the amount of bytes written. |
00b7c3395 sysctl: refactor ... |
1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 |
*/ static int proc_put_long(void __user **buf, size_t *size, unsigned long val, bool neg) { int len; char tmp[TMPBUFLEN], *p = tmp; sprintf(p, "%s%lu", neg ? "-" : "", val); len = strlen(tmp); if (len > *size) len = *size; if (copy_to_user(*buf, tmp, len)) return -EFAULT; *size -= len; *buf += len; return 0; } #undef TMPBUFLEN static int proc_put_char(void __user **buf, size_t *size, char c) { if (*size) { char __user **buffer = (char __user **)buf; if (put_user(c, *buffer)) return -EFAULT; (*size)--, (*buffer)++; *buf = *buffer; } return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1964 |
|
00b7c3395 sysctl: refactor ... |
1965 |
static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
1966 1967 1968 1969 |
int *valp, int write, void *data) { if (write) { |
230633d10 kernel/sysctl.c: ... |
1970 1971 1972 1973 1974 1975 1976 1977 1978 |
if (*negp) { if (*lvalp > (unsigned long) INT_MAX + 1) return -EINVAL; *valp = -*lvalp; } else { if (*lvalp > (unsigned long) INT_MAX) return -EINVAL; *valp = *lvalp; } |
1da177e4c Linux-2.6.12-rc2 |
1979 1980 1981 |
} else { int val = *valp; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
1982 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
1983 1984 |
*lvalp = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
1985 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
1986 1987 1988 1989 1990 |
*lvalp = (unsigned long)val; } } return 0; } |
00b7c3395 sysctl: refactor ... |
1991 1992 |
static const char proc_wspace_sep[] = { ' ', '\t', ' ' }; |
d8217f076 sysctl core: Stop... |
1993 |
static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, |
8d65af789 sysctl: remove "s... |
1994 |
int write, void __user *buffer, |
fcfbd547b [PATCH] IPC names... |
1995 |
size_t *lenp, loff_t *ppos, |
00b7c3395 sysctl: refactor ... |
1996 |
int (*conv)(bool *negp, unsigned long *lvalp, int *valp, |
1da177e4c Linux-2.6.12-rc2 |
1997 1998 1999 |
int write, void *data), void *data) { |
00b7c3395 sysctl: refactor ... |
2000 2001 2002 2003 |
int *i, vleft, first = 1, err = 0; unsigned long page = 0; size_t left; char *kbuf; |
1da177e4c Linux-2.6.12-rc2 |
2004 |
|
00b7c3395 sysctl: refactor ... |
2005 |
if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) { |
1da177e4c Linux-2.6.12-rc2 |
2006 2007 2008 2009 |
*lenp = 0; return 0; } |
fcfbd547b [PATCH] IPC names... |
2010 |
i = (int *) tbl_data; |
1da177e4c Linux-2.6.12-rc2 |
2011 2012 2013 2014 2015 |
vleft = table->maxlen / sizeof(*i); left = *lenp; if (!conv) conv = do_proc_dointvec_conv; |
00b7c3395 sysctl: refactor ... |
2016 |
if (write) { |
f4aacea2f sysctl: allow for... |
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 |
if (*ppos) { switch (sysctl_writes_strict) { case SYSCTL_WRITES_STRICT: goto out; case SYSCTL_WRITES_WARN: warn_sysctl_write(table); break; default: break; } } |
00b7c3395 sysctl: refactor ... |
2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 |
if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; page = __get_free_page(GFP_TEMPORARY); kbuf = (char *) page; if (!kbuf) return -ENOMEM; if (copy_from_user(kbuf, buffer, left)) { err = -EFAULT; goto free; } kbuf[left] = 0; } |
1da177e4c Linux-2.6.12-rc2 |
2040 |
for (; left && vleft--; i++, first=0) { |
00b7c3395 sysctl: refactor ... |
2041 2042 |
unsigned long lval; bool neg; |
1da177e4c Linux-2.6.12-rc2 |
2043 |
|
00b7c3395 sysctl: refactor ... |
2044 2045 |
if (write) { left -= proc_skip_spaces(&kbuf); |
1da177e4c Linux-2.6.12-rc2 |
2046 |
|
563b04671 proc_dointvec: wr... |
2047 2048 |
if (!left) break; |
00b7c3395 sysctl: refactor ... |
2049 2050 2051 2052 |
err = proc_get_long(&kbuf, &left, &lval, &neg, proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err) |
1da177e4c Linux-2.6.12-rc2 |
2053 |
break; |
00b7c3395 sysctl: refactor ... |
2054 2055 |
if (conv(&neg, &lval, i, 1, data)) { err = -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2056 |
break; |
00b7c3395 sysctl: refactor ... |
2057 |
} |
1da177e4c Linux-2.6.12-rc2 |
2058 |
} else { |
00b7c3395 sysctl: refactor ... |
2059 2060 2061 2062 |
if (conv(&neg, &lval, i, 0, data)) { err = -EINVAL; break; } |
1da177e4c Linux-2.6.12-rc2 |
2063 |
if (!first) |
00b7c3395 sysctl: refactor ... |
2064 2065 2066 2067 2068 |
err = proc_put_char(&buffer, &left, '\t'); if (err) break; err = proc_put_long(&buffer, &left, lval, neg); if (err) |
1da177e4c Linux-2.6.12-rc2 |
2069 |
break; |
1da177e4c Linux-2.6.12-rc2 |
2070 2071 |
} } |
00b7c3395 sysctl: refactor ... |
2072 2073 2074 |
if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, ' '); |
563b04671 proc_dointvec: wr... |
2075 |
if (write && !err && left) |
00b7c3395 sysctl: refactor ... |
2076 2077 |
left -= proc_skip_spaces(&kbuf); free: |
1da177e4c Linux-2.6.12-rc2 |
2078 |
if (write) { |
00b7c3395 sysctl: refactor ... |
2079 2080 2081 |
free_page(page); if (first) return err ? : -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2082 |
} |
1da177e4c Linux-2.6.12-rc2 |
2083 |
*lenp -= left; |
f4aacea2f sysctl: allow for... |
2084 |
out: |
1da177e4c Linux-2.6.12-rc2 |
2085 |
*ppos += *lenp; |
00b7c3395 sysctl: refactor ... |
2086 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
2087 |
} |
8d65af789 sysctl: remove "s... |
2088 |
static int do_proc_dointvec(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2089 |
void __user *buffer, size_t *lenp, loff_t *ppos, |
00b7c3395 sysctl: refactor ... |
2090 |
int (*conv)(bool *negp, unsigned long *lvalp, int *valp, |
fcfbd547b [PATCH] IPC names... |
2091 2092 2093 |
int write, void *data), void *data) { |
8d65af789 sysctl: remove "s... |
2094 |
return __do_proc_dointvec(table->data, table, write, |
fcfbd547b [PATCH] IPC names... |
2095 2096 |
buffer, lenp, ppos, conv, data); } |
1da177e4c Linux-2.6.12-rc2 |
2097 2098 2099 2100 |
/** * 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 |
2101 2102 2103 2104 2105 2106 2107 2108 2109 |
* @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... |
2110 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2111 2112 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2113 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2114 2115 |
NULL,NULL); } |
34f5a3989 [PATCH] Add TAINT... |
2116 |
/* |
25ddbb18a Make the taint fl... |
2117 2118 |
* Taint values can only be increased * This means we can safely use a temporary. |
34f5a3989 [PATCH] Add TAINT... |
2119 |
*/ |
8d65af789 sysctl: remove "s... |
2120 |
static int proc_taint(struct ctl_table *table, int write, |
34f5a3989 [PATCH] Add TAINT... |
2121 2122 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
25ddbb18a Make the taint fl... |
2123 2124 2125 |
struct ctl_table t; unsigned long tmptaint = get_taint(); int err; |
34f5a3989 [PATCH] Add TAINT... |
2126 |
|
91fcd412e Allow reading tai... |
2127 |
if (write && !capable(CAP_SYS_ADMIN)) |
34f5a3989 [PATCH] Add TAINT... |
2128 |
return -EPERM; |
25ddbb18a Make the taint fl... |
2129 2130 |
t = *table; t.data = &tmptaint; |
8d65af789 sysctl: remove "s... |
2131 |
err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos); |
25ddbb18a Make the taint fl... |
2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 |
if (err < 0) return err; if (write) { /* * Poor man's atomic or. Not worth adding a primitive * to everyone's atomic.h for this */ int i; for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) { if ((tmptaint >> i) & 1) |
373d4d099 taint: add explic... |
2143 |
add_taint(i, LOCKDEP_STILL_OK); |
25ddbb18a Make the taint fl... |
2144 2145 2146 2147 |
} } return err; |
34f5a3989 [PATCH] Add TAINT... |
2148 |
} |
bfdc0b497 sysctl: restrict ... |
2149 |
#ifdef CONFIG_PRINTK |
620f6e8e8 sysctl: fix write... |
2150 |
static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, |
bfdc0b497 sysctl: restrict ... |
2151 2152 2153 2154 2155 2156 2157 2158 |
void __user *buffer, size_t *lenp, loff_t *ppos) { if (write && !capable(CAP_SYS_ADMIN)) return -EPERM; return proc_dointvec_minmax(table, write, buffer, lenp, ppos); } #endif |
1da177e4c Linux-2.6.12-rc2 |
2159 2160 2161 2162 |
struct do_proc_dointvec_minmax_conv_param { int *min; int *max; }; |
00b7c3395 sysctl: refactor ... |
2163 2164 |
static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp, int *valp, |
1da177e4c Linux-2.6.12-rc2 |
2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 |
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) { |
00b7c3395 sysctl: refactor ... |
2177 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2178 2179 |
*lvalp = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2180 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 |
*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 |
2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 |
* @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... |
2203 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2204 2205 2206 2207 2208 2209 |
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... |
2210 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2211 2212 |
do_proc_dointvec_minmax_conv, ¶m); } |
54b501992 coredump: warn ab... |
2213 2214 |
static void validate_coredump_safety(void) { |
046d662f4 coredump: make co... |
2215 |
#ifdef CONFIG_COREDUMP |
e579d2c25 coredump: remove ... |
2216 |
if (suid_dumpable == SUID_DUMP_ROOT && |
54b501992 coredump: warn ab... |
2217 2218 2219 2220 2221 2222 |
core_pattern[0] != '/' && core_pattern[0] != '|') { printk(KERN_WARNING "Unsafe core_pattern used with "\ "suid_dumpable=2. Pipe handler or fully qualified "\ "core dump path required. "); } |
046d662f4 coredump: make co... |
2223 |
#endif |
54b501992 coredump: warn ab... |
2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 |
} static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos); if (!error) validate_coredump_safety(); return error; } |
046d662f4 coredump: make co... |
2234 |
#ifdef CONFIG_COREDUMP |
54b501992 coredump: warn ab... |
2235 2236 2237 2238 2239 2240 2241 2242 |
static int proc_dostring_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int error = proc_dostring(table, write, buffer, lenp, ppos); if (!error) validate_coredump_safety(); return error; } |
046d662f4 coredump: make co... |
2243 |
#endif |
54b501992 coredump: warn ab... |
2244 |
|
d8217f076 sysctl core: Stop... |
2245 |
static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2246 2247 2248 2249 2250 |
void __user *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul, unsigned long convdiv) { |
00b7c3395 sysctl: refactor ... |
2251 2252 2253 2254 2255 2256 2257 |
unsigned long *i, *min, *max; int vleft, first = 1, err = 0; unsigned long page = 0; size_t left; char *kbuf; if (!data || !table->maxlen || !*lenp || (*ppos && !write)) { |
1da177e4c Linux-2.6.12-rc2 |
2258 2259 2260 |
*lenp = 0; return 0; } |
00b7c3395 sysctl: refactor ... |
2261 |
|
fcfbd547b [PATCH] IPC names... |
2262 |
i = (unsigned long *) data; |
1da177e4c Linux-2.6.12-rc2 |
2263 2264 2265 2266 |
min = (unsigned long *) table->extra1; max = (unsigned long *) table->extra2; vleft = table->maxlen / sizeof(unsigned long); left = *lenp; |
00b7c3395 sysctl: refactor ... |
2267 2268 |
if (write) { |
f4aacea2f sysctl: allow for... |
2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 |
if (*ppos) { switch (sysctl_writes_strict) { case SYSCTL_WRITES_STRICT: goto out; case SYSCTL_WRITES_WARN: warn_sysctl_write(table); break; default: break; } } |
00b7c3395 sysctl: refactor ... |
2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 |
if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; page = __get_free_page(GFP_TEMPORARY); kbuf = (char *) page; if (!kbuf) return -ENOMEM; if (copy_from_user(kbuf, buffer, left)) { err = -EFAULT; goto free; } kbuf[left] = 0; } |
27b3d80a7 sysctl: fix min/m... |
2292 |
for (; left && vleft--; i++, first = 0) { |
00b7c3395 sysctl: refactor ... |
2293 |
unsigned long val; |
1da177e4c Linux-2.6.12-rc2 |
2294 |
if (write) { |
00b7c3395 sysctl: refactor ... |
2295 2296 2297 2298 2299 2300 2301 2302 |
bool neg; left -= proc_skip_spaces(&kbuf); err = proc_get_long(&kbuf, &left, &val, &neg, proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err) |
1da177e4c Linux-2.6.12-rc2 |
2303 2304 |
break; if (neg) |
1da177e4c Linux-2.6.12-rc2 |
2305 2306 2307 2308 2309 |
continue; if ((min && val < *min) || (max && val > *max)) continue; *i = val; } else { |
00b7c3395 sysctl: refactor ... |
2310 |
val = convdiv * (*i) / convmul; |
7833819d2 kernel/sysctl.c: ... |
2311 |
if (!first) { |
00b7c3395 sysctl: refactor ... |
2312 |
err = proc_put_char(&buffer, &left, '\t'); |
7833819d2 kernel/sysctl.c: ... |
2313 2314 2315 |
if (err) break; } |
00b7c3395 sysctl: refactor ... |
2316 2317 2318 |
err = proc_put_long(&buffer, &left, val, false); if (err) break; |
1da177e4c Linux-2.6.12-rc2 |
2319 2320 |
} } |
00b7c3395 sysctl: refactor ... |
2321 2322 2323 2324 2325 2326 |
if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, ' '); if (write && !err) left -= proc_skip_spaces(&kbuf); free: |
1da177e4c Linux-2.6.12-rc2 |
2327 |
if (write) { |
00b7c3395 sysctl: refactor ... |
2328 2329 2330 |
free_page(page); if (first) return err ? : -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2331 |
} |
1da177e4c Linux-2.6.12-rc2 |
2332 |
*lenp -= left; |
f4aacea2f sysctl: allow for... |
2333 |
out: |
1da177e4c Linux-2.6.12-rc2 |
2334 |
*ppos += *lenp; |
00b7c3395 sysctl: refactor ... |
2335 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
2336 |
} |
d8217f076 sysctl core: Stop... |
2337 |
static int do_proc_doulongvec_minmax(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2338 2339 2340 2341 2342 2343 |
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... |
2344 |
buffer, lenp, ppos, convmul, convdiv); |
fcfbd547b [PATCH] IPC names... |
2345 |
} |
1da177e4c Linux-2.6.12-rc2 |
2346 2347 2348 2349 |
/** * 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 |
2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 |
* @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... |
2362 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2363 2364 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2365 |
return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l); |
1da177e4c Linux-2.6.12-rc2 |
2366 2367 2368 2369 2370 2371 |
} /** * 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 |
2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 |
* @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... |
2385 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2386 2387 2388 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2389 |
return do_proc_doulongvec_minmax(table, write, buffer, |
1da177e4c Linux-2.6.12-rc2 |
2390 2391 |
lenp, ppos, HZ, 1000l); } |
00b7c3395 sysctl: refactor ... |
2392 |
static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2393 2394 2395 2396 |
int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2397 2398 |
if (*lvalp > LONG_MAX / HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
2399 2400 2401 2402 2403 |
*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ); } else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2404 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2405 2406 |
lval = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2407 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2408 2409 2410 2411 2412 2413 |
lval = (unsigned long)val; } *lvalp = lval / HZ; } return 0; } |
00b7c3395 sysctl: refactor ... |
2414 |
static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2415 2416 2417 2418 |
int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2419 2420 |
if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
2421 2422 2423 2424 2425 |
*valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp); } else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2426 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2427 2428 |
lval = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2429 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2430 2431 2432 2433 2434 2435 |
lval = (unsigned long)val; } *lvalp = jiffies_to_clock_t(lval); } return 0; } |
00b7c3395 sysctl: refactor ... |
2436 |
static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2437 2438 2439 2440 |
int *valp, int write, void *data) { if (write) { |
d738ce8fd sysctl: range che... |
2441 2442 2443 2444 2445 |
unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp); if (jif > INT_MAX) return 1; *valp = (int)jif; |
1da177e4c Linux-2.6.12-rc2 |
2446 2447 2448 2449 |
} else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2450 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2451 2452 |
lval = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2453 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 |
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 |
2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 |
* @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... |
2476 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2477 2478 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2479 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2480 2481 2482 2483 2484 2485 2486 |
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 |
2487 2488 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
1e5d53314 [PATCH] more kern... |
2489 |
* @ppos: pointer to the file position |
1da177e4c Linux-2.6.12-rc2 |
2490 2491 2492 2493 2494 2495 2496 2497 |
* * 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... |
2498 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2499 2500 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2501 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2502 2503 2504 2505 2506 2507 2508 |
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 |
2509 2510 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
67be2dd1b [PATCH] DocBook: ... |
2511 2512 |
* @ppos: file position * @ppos: the current position in the file |
1da177e4c Linux-2.6.12-rc2 |
2513 2514 2515 2516 2517 2518 2519 2520 |
* * 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... |
2521 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2522 2523 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2524 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2525 2526 |
do_proc_dointvec_ms_jiffies_conv, NULL); } |
8d65af789 sysctl: remove "s... |
2527 |
static int proc_do_cad_pid(struct ctl_table *table, int write, |
9ec52099e [PATCH] replace c... |
2528 2529 2530 2531 2532 |
void __user *buffer, size_t *lenp, loff_t *ppos) { struct pid *new_pid; pid_t tmp; int r; |
6c5f3e7b4 Pidns: make full ... |
2533 |
tmp = pid_vnr(cad_pid); |
9ec52099e [PATCH] replace c... |
2534 |
|
8d65af789 sysctl: remove "s... |
2535 |
r = __do_proc_dointvec(&tmp, table, write, buffer, |
9ec52099e [PATCH] replace c... |
2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 |
lenp, ppos, NULL, NULL); if (r || !write) return r; new_pid = find_get_pid(tmp); if (!new_pid) return -ESRCH; put_pid(xchg(&cad_pid, new_pid)); return 0; } |
9f977fb7a sysctl: add proc_... |
2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 |
/** * proc_do_large_bitmap - read/write from/to a large bitmap * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file * @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * The bitmap is stored at table->data and the bitmap length (in bits) * in table->maxlen. * * We use a range comma separated format (e.g. 1,3-4,10-10) so that * large bitmaps may be represented in a compact manner. Writing into * the file will clear the bitmap then update it with the given input. * * Returns 0 on success. */ int proc_do_large_bitmap(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int err = 0; bool first = 1; size_t left = *lenp; unsigned long bitmap_len = table->maxlen; |
122ff243f ipv4: make ip_loc... |
2571 |
unsigned long *bitmap = *(unsigned long **) table->data; |
9f977fb7a sysctl: add proc_... |
2572 2573 2574 2575 |
unsigned long *tmp_bitmap = NULL; char tr_a[] = { '-', ',', ' ' }, tr_b[] = { ',', ' ', 0 }, c; |
122ff243f ipv4: make ip_loc... |
2576 |
if (!bitmap || !bitmap_len || !left || (*ppos && !write)) { |
9f977fb7a sysctl: add proc_... |
2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 |
*lenp = 0; return 0; } if (write) { unsigned long page = 0; char *kbuf; if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; page = __get_free_page(GFP_TEMPORARY); kbuf = (char *) page; if (!kbuf) return -ENOMEM; if (copy_from_user(kbuf, buffer, left)) { free_page(page); return -EFAULT; } kbuf[left] = 0; tmp_bitmap = kzalloc(BITS_TO_LONGS(bitmap_len) * sizeof(unsigned long), GFP_KERNEL); if (!tmp_bitmap) { free_page(page); return -ENOMEM; } proc_skip_char(&kbuf, &left, ' '); while (!err && left) { unsigned long val_a, val_b; bool neg; err = proc_get_long(&kbuf, &left, &val_a, &neg, tr_a, sizeof(tr_a), &c); if (err) break; if (val_a >= bitmap_len || neg) { err = -EINVAL; break; } val_b = val_a; if (left) { kbuf++; left--; } if (c == '-') { err = proc_get_long(&kbuf, &left, &val_b, &neg, tr_b, sizeof(tr_b), &c); if (err) break; if (val_b >= bitmap_len || neg || val_a > val_b) { err = -EINVAL; break; } if (left) { kbuf++; left--; } } |
5a04cca6c sysctl: use bitma... |
2641 |
bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1); |
9f977fb7a sysctl: add proc_... |
2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 |
first = 0; proc_skip_char(&kbuf, &left, ' '); } free_page(page); } else { unsigned long bit_a, bit_b = 0; while (left) { bit_a = find_next_bit(bitmap, bitmap_len, bit_b); if (bit_a >= bitmap_len) break; bit_b = find_next_zero_bit(bitmap, bitmap_len, bit_a + 1) - 1; if (!first) { err = proc_put_char(&buffer, &left, ','); if (err) break; } err = proc_put_long(&buffer, &left, bit_a, false); if (err) break; if (bit_a != bit_b) { err = proc_put_char(&buffer, &left, '-'); if (err) break; err = proc_put_long(&buffer, &left, bit_b, false); if (err) break; } first = 0; bit_b++; } if (!err) err = proc_put_char(&buffer, &left, ' '); } if (!err) { if (write) { if (*ppos) bitmap_or(bitmap, bitmap, tmp_bitmap, bitmap_len); else |
5a04cca6c sysctl: use bitma... |
2686 |
bitmap_copy(bitmap, tmp_bitmap, bitmap_len); |
9f977fb7a sysctl: add proc_... |
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} kfree(tmp_bitmap); *lenp -= left; *ppos += *lenp; return 0; } else { kfree(tmp_bitmap); return err; } } |
556105000 sysctl: fix #ifde... |
2697 |
#else /* CONFIG_PROC_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
2698 |
|
8d65af789 sysctl: remove "s... |
2699 |
int proc_dostring(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2704 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2705 |
void __user *buffer, size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
2706 2707 2708 |
{ return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2709 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
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int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2719 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2724 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
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int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
d8217f076 sysctl core: Stop... |
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int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
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void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
556105000 sysctl: fix #ifde... |
2740 |
#endif /* CONFIG_PROC_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
2741 |
|
1da177e4c Linux-2.6.12-rc2 |
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/* * 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); |