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kernel/sysctl.c
60.7 KB
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/* * sysctl.c: General linux system control interface * * Begun 24 March 1995, Stephen Tweedie * Added /proc support, Dec 1995 * Added bdflush entry and intvec min/max checking, 2/23/96, Tom Dyas. * Added hooks for /proc/sys/net (minor, minor patch), 96/4/1, Mike Shaver. * Added kernel/java-{interpreter,appletviewer}, 96/5/10, Mike Shaver. * Dynamic registration fixes, Stephen Tweedie. * Added kswapd-interval, ctrl-alt-del, printk stuff, 1/8/97, Chris Horn. * Made sysctl support optional via CONFIG_SYSCTL, 1/10/97, Chris * Horn. * Added proc_doulongvec_ms_jiffies_minmax, 09/08/99, Carlos H. Bauer. * Added proc_doulongvec_minmax, 09/08/99, Carlos H. Bauer. * Changed linked lists to use list.h instead of lists.h, 02/24/00, Bill * Wendling. * The list_for_each() macro wasn't appropriate for the sysctl loop. * Removed it and replaced it with older style, 03/23/00, Bill Wendling */ |
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#include <linux/module.h> #include <linux/mm.h> #include <linux/swap.h> #include <linux/slab.h> #include <linux/sysctl.h> |
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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 <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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|
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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 sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern int max_threads; |
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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 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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#ifdef CONFIG_BLOCK |
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extern int blk_iopoll_enabled; |
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#endif |
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/* Constants used for minimum and maximum */ |
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#ifdef CONFIG_LOCKUP_DETECTOR |
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static int sixty = 60; #endif |
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static int zero; |
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static int __maybe_unused one = 1; static int __maybe_unused two = 2; |
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static int __maybe_unused three = 3; |
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static unsigned long one_ul = 1; |
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static int one_hundred = 100; |
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#ifdef CONFIG_PRINTK static int ten_thousand = 10000; #endif |
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/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; |
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/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; static int minolduid; |
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static int min_percpu_pagelist_fract = 8; |
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static int ngroups_max = NGROUPS_MAX; |
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static const int cap_last_cap = CAP_LAST_CAP; |
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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 |
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#ifdef CONFIG_SPARC64 extern int sysctl_tsb_ratio; #endif |
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#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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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 */ static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE; |
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static int sysrq_sysctl_handler(ctl_table *table, int write, 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, }, { |
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.procname = "numa_balancing_scan_period_reset", .data = &sysctl_numa_balancing_scan_period_reset, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { |
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.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, .proc_handler = proc_dointvec, }, |
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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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.proc_handler = sched_rt_handler, |
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}, { |
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.procname = "sched_rt_runtime_us", .data = &sysctl_sched_rt_runtime, .maxlen = sizeof(int), .mode = 0644, |
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.proc_handler = sched_rt_handler, |
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}, |
ce0dbbbb3 sched/rt: Add a t... |
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{ .procname = "sched_rr_timeslice_ms", .data = &sched_rr_timeslice, .maxlen = sizeof(int), .mode = 0644, .proc_handler = sched_rr_handler, }, |
5091faa44 sched: Add 'autog... |
402 403 404 405 406 407 |
#ifdef CONFIG_SCHED_AUTOGROUP { .procname = "sched_autogroup_enabled", .data = &sysctl_sched_autogroup_enabled, .maxlen = sizeof(unsigned int), .mode = 0644, |
1747b21fe sched, autogroup,... |
408 |
.proc_handler = proc_dointvec_minmax, |
5091faa44 sched: Add 'autog... |
409 410 411 412 |
.extra1 = &zero, .extra2 = &one, }, #endif |
ec12cb7f3 sched: Accumulate... |
413 414 415 416 417 418 419 420 421 422 |
#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... |
423 424 |
#ifdef CONFIG_PROVE_LOCKING { |
f20786ff4 lockstat: core in... |
425 426 427 428 |
.procname = "prove_locking", .data = &prove_locking, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
429 |
.proc_handler = proc_dointvec, |
f20786ff4 lockstat: core in... |
430 431 432 433 |
}, #endif #ifdef CONFIG_LOCK_STAT { |
f20786ff4 lockstat: core in... |
434 435 436 437 |
.procname = "lock_stat", .data = &lock_stat, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
438 |
.proc_handler = proc_dointvec, |
f20786ff4 lockstat: core in... |
439 440 |
}, #endif |
77e54a1f8 sched: add CFS de... |
441 |
{ |
1da177e4c Linux-2.6.12-rc2 |
442 443 444 445 |
.procname = "panic", .data = &panic_timeout, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
446 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
447 |
}, |
046d662f4 coredump: make co... |
448 |
#ifdef CONFIG_COREDUMP |
1da177e4c Linux-2.6.12-rc2 |
449 |
{ |
1da177e4c Linux-2.6.12-rc2 |
450 451 452 453 |
.procname = "core_uses_pid", .data = &core_uses_pid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
454 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
455 456 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
457 458 |
.procname = "core_pattern", .data = core_pattern, |
71ce92f3f make sysctl/kerne... |
459 |
.maxlen = CORENAME_MAX_SIZE, |
1da177e4c Linux-2.6.12-rc2 |
460 |
.mode = 0644, |
54b501992 coredump: warn ab... |
461 |
.proc_handler = proc_dostring_coredump, |
1da177e4c Linux-2.6.12-rc2 |
462 |
}, |
a293980c2 exec: let do_core... |
463 |
{ |
a293980c2 exec: let do_core... |
464 465 466 467 |
.procname = "core_pipe_limit", .data = &core_pipe_limit, .maxlen = sizeof(unsigned int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
468 |
.proc_handler = proc_dointvec, |
a293980c2 exec: let do_core... |
469 |
}, |
046d662f4 coredump: make co... |
470 |
#endif |
34f5a3989 [PATCH] Add TAINT... |
471 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
472 |
{ |
1da177e4c Linux-2.6.12-rc2 |
473 |
.procname = "tainted", |
25ddbb18a Make the taint fl... |
474 |
.maxlen = sizeof(long), |
34f5a3989 [PATCH] Add TAINT... |
475 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
476 |
.proc_handler = proc_taint, |
1da177e4c Linux-2.6.12-rc2 |
477 |
}, |
34f5a3989 [PATCH] Add TAINT... |
478 |
#endif |
9745512ce sched: latencytop... |
479 480 481 482 483 484 |
#ifdef CONFIG_LATENCYTOP { .procname = "latencytop", .data = &latencytop_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
485 |
.proc_handler = proc_dointvec, |
9745512ce sched: latencytop... |
486 487 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
488 489 |
#ifdef CONFIG_BLK_DEV_INITRD { |
1da177e4c Linux-2.6.12-rc2 |
490 491 492 493 |
.procname = "real-root-dev", .data = &real_root_dev, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
494 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
495 496 |
}, #endif |
45807a1df vdso: print fatal... |
497 |
{ |
45807a1df vdso: print fatal... |
498 499 500 501 |
.procname = "print-fatal-signals", .data = &print_fatal_signals, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
502 |
.proc_handler = proc_dointvec, |
45807a1df vdso: print fatal... |
503 |
}, |
72c57ed50 sysctl: Use CONFI... |
504 |
#ifdef CONFIG_SPARC |
1da177e4c Linux-2.6.12-rc2 |
505 |
{ |
1da177e4c Linux-2.6.12-rc2 |
506 507 508 509 |
.procname = "reboot-cmd", .data = reboot_command, .maxlen = 256, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
510 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
511 512 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
513 514 515 516 |
.procname = "stop-a", .data = &stop_a_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
517 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
518 519 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
520 521 522 523 |
.procname = "scons-poweroff", .data = &scons_pwroff, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
524 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
525 526 |
}, #endif |
0871420fa sparc64: Add tsb-... |
527 528 |
#ifdef CONFIG_SPARC64 { |
0871420fa sparc64: Add tsb-... |
529 530 531 532 |
.procname = "tsb-ratio", .data = &sysctl_tsb_ratio, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
533 |
.proc_handler = proc_dointvec, |
0871420fa sparc64: Add tsb-... |
534 535 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
536 537 |
#ifdef __hppa__ { |
1da177e4c Linux-2.6.12-rc2 |
538 539 540 541 |
.procname = "soft-power", .data = &pwrsw_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
542 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
543 |
}, |
bf14e3b97 sysctl: Enable PA... |
544 545 |
#endif #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW |
1da177e4c Linux-2.6.12-rc2 |
546 |
{ |
1da177e4c Linux-2.6.12-rc2 |
547 548 549 550 |
.procname = "unaligned-trap", .data = &unaligned_enabled, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
551 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
552 553 554 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
555 556 557 558 |
.procname = "ctrl-alt-del", .data = &C_A_D, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
559 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
560 |
}, |
606576ce8 ftrace: rename FT... |
561 |
#ifdef CONFIG_FUNCTION_TRACER |
b0fc494fa ftrace: add ftrac... |
562 |
{ |
b0fc494fa ftrace: add ftrac... |
563 564 565 566 |
.procname = "ftrace_enabled", .data = &ftrace_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
567 |
.proc_handler = ftrace_enable_sysctl, |
b0fc494fa ftrace: add ftrac... |
568 569 |
}, #endif |
f38f1d2aa trace: add a way ... |
570 571 |
#ifdef CONFIG_STACK_TRACER { |
f38f1d2aa trace: add a way ... |
572 573 574 575 |
.procname = "stack_tracer_enabled", .data = &stack_tracer_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
576 |
.proc_handler = stack_trace_sysctl, |
f38f1d2aa trace: add a way ... |
577 578 |
}, #endif |
944ac4259 ftrace: ftrace du... |
579 580 |
#ifdef CONFIG_TRACING { |
3299b4dd1 ftrace: sysctl typo |
581 |
.procname = "ftrace_dump_on_oops", |
944ac4259 ftrace: ftrace du... |
582 583 584 |
.data = &ftrace_dump_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
585 |
.proc_handler = proc_dointvec, |
944ac4259 ftrace: ftrace du... |
586 |
}, |
de7edd314 tracing: Disable ... |
587 588 589 590 591 592 593 |
{ .procname = "traceoff_on_warning", .data = &__disable_trace_on_warning, .maxlen = sizeof(__disable_trace_on_warning), .mode = 0644, .proc_handler = proc_dointvec, }, |
944ac4259 ftrace: ftrace du... |
594 |
#endif |
a1ef5adb4 remove CONFIG_KMO... |
595 |
#ifdef CONFIG_MODULES |
1da177e4c Linux-2.6.12-rc2 |
596 |
{ |
1da177e4c Linux-2.6.12-rc2 |
597 598 599 600 |
.procname = "modprobe", .data = &modprobe_path, .maxlen = KMOD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
601 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
602 |
}, |
3d43321b7 modules: sysctl t... |
603 |
{ |
3d43321b7 modules: sysctl t... |
604 605 606 607 608 |
.procname = "modules_disabled", .data = &modules_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ |
6d4561110 sysctl: Drop & in... |
609 |
.proc_handler = proc_dointvec_minmax, |
3d43321b7 modules: sysctl t... |
610 611 612 |
.extra1 = &one, .extra2 = &one, }, |
1da177e4c Linux-2.6.12-rc2 |
613 |
#endif |
3b572b506 sysctl: remove CO... |
614 |
|
1da177e4c Linux-2.6.12-rc2 |
615 |
{ |
1da177e4c Linux-2.6.12-rc2 |
616 |
.procname = "hotplug", |
312c004d3 [PATCH] driver co... |
617 618 |
.data = &uevent_helper, .maxlen = UEVENT_HELPER_PATH_LEN, |
1da177e4c Linux-2.6.12-rc2 |
619 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
620 |
.proc_handler = proc_dostring, |
1da177e4c Linux-2.6.12-rc2 |
621 |
}, |
3b572b506 sysctl: remove CO... |
622 |
|
1da177e4c Linux-2.6.12-rc2 |
623 624 |
#ifdef CONFIG_CHR_DEV_SG { |
1da177e4c Linux-2.6.12-rc2 |
625 626 627 628 |
.procname = "sg-big-buff", .data = &sg_big_buff, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
629 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
630 631 632 633 |
}, #endif #ifdef CONFIG_BSD_PROCESS_ACCT { |
1da177e4c Linux-2.6.12-rc2 |
634 635 636 637 |
.procname = "acct", .data = &acct_parm, .maxlen = 3*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
638 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
639 640 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
641 642 |
#ifdef CONFIG_MAGIC_SYSRQ { |
1da177e4c Linux-2.6.12-rc2 |
643 |
.procname = "sysrq", |
5d6f647fc [PATCH] debug: ad... |
644 |
.data = &__sysrq_enabled, |
1da177e4c Linux-2.6.12-rc2 |
645 646 |
.maxlen = sizeof (int), .mode = 0644, |
97f5f0cd8 Input: implement ... |
647 |
.proc_handler = sysrq_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
648 649 |
}, #endif |
d6f8ff738 [PATCH] cad_pid s... |
650 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
651 |
{ |
1da177e4c Linux-2.6.12-rc2 |
652 |
.procname = "cad_pid", |
9ec52099e [PATCH] replace c... |
653 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
654 655 |
.maxlen = sizeof (int), .mode = 0600, |
6d4561110 sysctl: Drop & in... |
656 |
.proc_handler = proc_do_cad_pid, |
1da177e4c Linux-2.6.12-rc2 |
657 |
}, |
d6f8ff738 [PATCH] cad_pid s... |
658 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
659 |
{ |
1da177e4c Linux-2.6.12-rc2 |
660 661 662 663 |
.procname = "threads-max", .data = &max_threads, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
664 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
665 666 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
667 668 669 670 |
.procname = "random", .mode = 0555, .child = random_table, }, |
1da177e4c Linux-2.6.12-rc2 |
671 |
{ |
17f60a7da capabilites: allo... |
672 673 674 675 676 |
.procname = "usermodehelper", .mode = 0555, .child = usermodehelper_table, }, { |
1da177e4c Linux-2.6.12-rc2 |
677 678 679 680 |
.procname = "overflowuid", .data = &overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
681 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
682 683 684 685 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
686 687 688 689 |
.procname = "overflowgid", .data = &overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
690 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
691 692 693 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
347a8dc3b [PATCH] s390: cle... |
694 |
#ifdef CONFIG_S390 |
1da177e4c Linux-2.6.12-rc2 |
695 696 |
#ifdef CONFIG_MATHEMU { |
1da177e4c Linux-2.6.12-rc2 |
697 698 699 700 |
.procname = "ieee_emulation_warnings", .data = &sysctl_ieee_emulation_warnings, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
701 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
702 703 |
}, #endif |
1da177e4c Linux-2.6.12-rc2 |
704 |
{ |
1da177e4c Linux-2.6.12-rc2 |
705 |
.procname = "userprocess_debug", |
ab3c68ee5 [S390] debug: ena... |
706 |
.data = &show_unhandled_signals, |
1da177e4c Linux-2.6.12-rc2 |
707 708 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
709 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
710 711 712 |
}, #endif { |
1da177e4c Linux-2.6.12-rc2 |
713 714 715 716 |
.procname = "pid_max", .data = &pid_max, .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 = &pid_max_min, .extra2 = &pid_max_max, }, { |
1da177e4c Linux-2.6.12-rc2 |
722 723 724 725 |
.procname = "panic_on_oops", .data = &panic_on_oops, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
726 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
727 |
}, |
7ef3d2fd1 printk_ratelimit(... |
728 729 |
#if defined CONFIG_PRINTK { |
7ef3d2fd1 printk_ratelimit(... |
730 731 732 733 |
.procname = "printk", .data = &console_loglevel, .maxlen = 4*sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
734 |
.proc_handler = proc_dointvec, |
7ef3d2fd1 printk_ratelimit(... |
735 |
}, |
1da177e4c Linux-2.6.12-rc2 |
736 |
{ |
1da177e4c Linux-2.6.12-rc2 |
737 |
.procname = "printk_ratelimit", |
717115e1a printk ratelimiti... |
738 |
.data = &printk_ratelimit_state.interval, |
1da177e4c Linux-2.6.12-rc2 |
739 740 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
741 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
742 743 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
744 |
.procname = "printk_ratelimit_burst", |
717115e1a printk ratelimiti... |
745 |
.data = &printk_ratelimit_state.burst, |
1da177e4c Linux-2.6.12-rc2 |
746 747 |
.maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
748 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
749 |
}, |
af91322ef printk: add print... |
750 |
{ |
af91322ef printk: add print... |
751 752 753 754 |
.procname = "printk_delay", .data = &printk_delay_msec, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
755 |
.proc_handler = proc_dointvec_minmax, |
af91322ef printk: add print... |
756 757 758 |
.extra1 = &zero, .extra2 = &ten_thousand, }, |
1da177e4c Linux-2.6.12-rc2 |
759 |
{ |
eaf06b241 Restrict unprivil... |
760 761 762 763 |
.procname = "dmesg_restrict", .data = &dmesg_restrict, .maxlen = sizeof(int), .mode = 0644, |
620f6e8e8 sysctl: fix write... |
764 |
.proc_handler = proc_dointvec_minmax_sysadmin, |
eaf06b241 Restrict unprivil... |
765 766 767 |
.extra1 = &zero, .extra2 = &one, }, |
455cd5ab3 kptr_restrict for... |
768 769 770 771 772 |
{ .procname = "kptr_restrict", .data = &kptr_restrict, .maxlen = sizeof(int), .mode = 0644, |
620f6e8e8 sysctl: fix write... |
773 |
.proc_handler = proc_dointvec_minmax_sysadmin, |
455cd5ab3 kptr_restrict for... |
774 775 776 |
.extra1 = &zero, .extra2 = &two, }, |
df6e61d4c kernel/sysctl.c: ... |
777 |
#endif |
eaf06b241 Restrict unprivil... |
778 |
{ |
1da177e4c Linux-2.6.12-rc2 |
779 780 781 782 |
.procname = "ngroups_max", .data = &ngroups_max, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
783 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
784 |
}, |
73efc0394 kernel/sysctl.c: ... |
785 786 787 788 789 790 791 |
{ .procname = "cap_last_cap", .data = (void *)&cap_last_cap, .maxlen = sizeof(int), .mode = 0444, .proc_handler = proc_dointvec, }, |
58687acba lockup_detector: ... |
792 |
#if defined(CONFIG_LOCKUP_DETECTOR) |
504d7cf10 nmi_watchdog: Com... |
793 |
{ |
58687acba lockup_detector: ... |
794 |
.procname = "watchdog", |
3c00ea82c watchdog: Rename ... |
795 |
.data = &watchdog_user_enabled, |
504d7cf10 nmi_watchdog: Com... |
796 797 |
.maxlen = sizeof (int), .mode = 0644, |
586692a5a watchdog: Disable... |
798 799 800 |
.proc_handler = proc_dowatchdog, .extra1 = &zero, .extra2 = &one, |
58687acba lockup_detector: ... |
801 802 803 |
}, { .procname = "watchdog_thresh", |
586692a5a watchdog: Disable... |
804 |
.data = &watchdog_thresh, |
58687acba lockup_detector: ... |
805 806 |
.maxlen = sizeof(int), .mode = 0644, |
586692a5a watchdog: Disable... |
807 |
.proc_handler = proc_dowatchdog, |
a6572f84c watchdog: Disallo... |
808 |
.extra1 = &zero, |
58687acba lockup_detector: ... |
809 |
.extra2 = &sixty, |
504d7cf10 nmi_watchdog: Com... |
810 |
}, |
2508ce184 lockup_detector: ... |
811 812 813 814 815 816 817 818 819 |
{ .procname = "softlockup_panic", .data = &softlockup_panic, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, |
5dc305587 x86, NMI: Add bac... |
820 821 |
{ .procname = "nmi_watchdog", |
3c00ea82c watchdog: Rename ... |
822 |
.data = &watchdog_user_enabled, |
5dc305587 x86, NMI: Add bac... |
823 824 |
.maxlen = sizeof (int), .mode = 0644, |
586692a5a watchdog: Disable... |
825 826 827 |
.proc_handler = proc_dowatchdog, .extra1 = &zero, .extra2 = &one, |
5dc305587 x86, NMI: Add bac... |
828 829 830 831 832 833 834 835 836 837 |
}, #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... |
838 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
839 840 |
#if defined(CONFIG_X86) { |
8da5adda9 [PATCH] x86: Allo... |
841 842 843 844 |
.procname = "panic_on_unrecovered_nmi", .data = &panic_on_unrecovered_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
845 |
.proc_handler = proc_dointvec, |
8da5adda9 [PATCH] x86: Allo... |
846 847 |
}, { |
5211a242d x86: Add sysctl t... |
848 849 850 851 |
.procname = "panic_on_io_nmi", .data = &panic_on_io_nmi, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
852 |
.proc_handler = proc_dointvec, |
5211a242d x86: Add sysctl t... |
853 |
}, |
55af77969 x86: Panic on det... |
854 855 856 857 858 859 860 861 862 |
#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... |
863 |
{ |
1da177e4c Linux-2.6.12-rc2 |
864 865 866 867 |
.procname = "bootloader_type", .data = &bootloader_type, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
868 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
869 |
}, |
0741f4d20 [PATCH] x86: add ... |
870 |
{ |
5031296c5 x86: add extensio... |
871 872 873 874 |
.procname = "bootloader_version", .data = &bootloader_version, .maxlen = sizeof (int), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
875 |
.proc_handler = proc_dointvec, |
5031296c5 x86: add extensio... |
876 877 |
}, { |
0741f4d20 [PATCH] x86: add ... |
878 879 880 881 |
.procname = "kstack_depth_to_print", .data = &kstack_depth_to_print, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
882 |
.proc_handler = proc_dointvec, |
0741f4d20 [PATCH] x86: add ... |
883 |
}, |
6e7c40259 x86: various chan... |
884 |
{ |
6e7c40259 x86: various chan... |
885 886 887 888 |
.procname = "io_delay_type", .data = &io_delay_type, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
889 |
.proc_handler = proc_dointvec, |
6e7c40259 x86: various chan... |
890 |
}, |
1da177e4c Linux-2.6.12-rc2 |
891 |
#endif |
7a9166e3b [PATCH] Fix undef... |
892 |
#if defined(CONFIG_MMU) |
1da177e4c Linux-2.6.12-rc2 |
893 |
{ |
1da177e4c Linux-2.6.12-rc2 |
894 895 896 897 |
.procname = "randomize_va_space", .data = &randomize_va_space, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
898 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
899 |
}, |
7a9166e3b [PATCH] Fix undef... |
900 |
#endif |
0152fb376 [PATCH] s390: spi... |
901 |
#if defined(CONFIG_S390) && defined(CONFIG_SMP) |
951f22d5b [PATCH] s390: spi... |
902 |
{ |
951f22d5b [PATCH] s390: spi... |
903 904 905 906 |
.procname = "spin_retry", .data = &spin_retry, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
907 |
.proc_handler = proc_dointvec, |
951f22d5b [PATCH] s390: spi... |
908 909 |
}, #endif |
673d5b43d ACPI: restore CON... |
910 |
#if defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86) |
c255d844d [PATCH] suspend-t... |
911 |
{ |
c255d844d [PATCH] suspend-t... |
912 |
.procname = "acpi_video_flags", |
77afcf78a PM: Integrate bee... |
913 |
.data = &acpi_realmode_flags, |
c255d844d [PATCH] suspend-t... |
914 915 |
.maxlen = sizeof (unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
916 |
.proc_handler = proc_doulongvec_minmax, |
c255d844d [PATCH] suspend-t... |
917 918 |
}, #endif |
b6fca7253 sysctl: Enable IA... |
919 |
#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN |
d2b176ed8 [IA64] sysctl opt... |
920 |
{ |
d2b176ed8 [IA64] sysctl opt... |
921 922 923 924 |
.procname = "ignore-unaligned-usertrap", .data = &no_unaligned_warning, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
925 |
.proc_handler = proc_dointvec, |
d2b176ed8 [IA64] sysctl opt... |
926 |
}, |
b6fca7253 sysctl: Enable IA... |
927 928 |
#endif #ifdef CONFIG_IA64 |
88fc241f5 [IA64] dump stack... |
929 |
{ |
88fc241f5 [IA64] dump stack... |
930 931 932 933 |
.procname = "unaligned-dump-stack", .data = &unaligned_dump_stack, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
934 |
.proc_handler = proc_dointvec, |
88fc241f5 [IA64] dump stack... |
935 |
}, |
d2b176ed8 [IA64] sysctl opt... |
936 |
#endif |
e162b39a3 softlockup: decou... |
937 938 |
#ifdef CONFIG_DETECT_HUNG_TASK { |
e162b39a3 softlockup: decou... |
939 940 941 942 |
.procname = "hung_task_panic", .data = &sysctl_hung_task_panic, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
943 |
.proc_handler = proc_dointvec_minmax, |
e162b39a3 softlockup: decou... |
944 945 946 |
.extra1 = &zero, .extra2 = &one, }, |
82a1fcb90 softlockup: autom... |
947 |
{ |
82a1fcb90 softlockup: autom... |
948 949 |
.procname = "hung_task_check_count", .data = &sysctl_hung_task_check_count, |
90739081e softlockup: fix s... |
950 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
951 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
952 |
.proc_handler = proc_doulongvec_minmax, |
82a1fcb90 softlockup: autom... |
953 954 |
}, { |
82a1fcb90 softlockup: autom... |
955 956 |
.procname = "hung_task_timeout_secs", .data = &sysctl_hung_task_timeout_secs, |
90739081e softlockup: fix s... |
957 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
958 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
959 |
.proc_handler = proc_dohung_task_timeout_secs, |
82a1fcb90 softlockup: autom... |
960 961 |
}, { |
82a1fcb90 softlockup: autom... |
962 963 |
.procname = "hung_task_warnings", .data = &sysctl_hung_task_warnings, |
90739081e softlockup: fix s... |
964 |
.maxlen = sizeof(unsigned long), |
82a1fcb90 softlockup: autom... |
965 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
966 |
.proc_handler = proc_doulongvec_minmax, |
82a1fcb90 softlockup: autom... |
967 |
}, |
c4f3b63fe softlockup: add a... |
968 |
#endif |
bebfa1013 [PATCH] x86_64: A... |
969 970 |
#ifdef CONFIG_COMPAT { |
bebfa1013 [PATCH] x86_64: A... |
971 972 973 974 |
.procname = "compat-log", .data = &compat_log, .maxlen = sizeof (int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
975 |
.proc_handler = proc_dointvec, |
bebfa1013 [PATCH] x86_64: A... |
976 977 |
}, #endif |
23f78d4a0 [PATCH] pi-futex:... |
978 979 |
#ifdef CONFIG_RT_MUTEXES { |
23f78d4a0 [PATCH] pi-futex:... |
980 981 982 983 |
.procname = "max_lock_depth", .data = &max_lock_depth, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
984 |
.proc_handler = proc_dointvec, |
23f78d4a0 [PATCH] pi-futex:... |
985 986 |
}, #endif |
10a0a8d4e Add common orderl... |
987 |
{ |
10a0a8d4e Add common orderl... |
988 989 990 991 |
.procname = "poweroff_cmd", .data = &poweroff_cmd, .maxlen = POWEROFF_CMD_PATH_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
992 |
.proc_handler = proc_dostring, |
10a0a8d4e Add common orderl... |
993 |
}, |
0b77f5bfb keys: make the ke... |
994 995 |
#ifdef CONFIG_KEYS { |
0b77f5bfb keys: make the ke... |
996 997 998 999 1000 |
.procname = "keys", .mode = 0555, .child = key_sysctls, }, #endif |
31a72bce0 rcu: make rcutort... |
1001 1002 |
#ifdef CONFIG_RCU_TORTURE_TEST { |
31a72bce0 rcu: make rcutort... |
1003 1004 1005 1006 |
.procname = "rcutorture_runnable", .data = &rcutorture_runnable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1007 |
.proc_handler = proc_dointvec, |
31a72bce0 rcu: make rcutort... |
1008 1009 |
}, #endif |
cdd6c482c perf: Do the big ... |
1010 |
#ifdef CONFIG_PERF_EVENTS |
aa4a22187 perf: Comment /pr... |
1011 1012 1013 1014 1015 1016 |
/* * 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... |
1017 |
{ |
cdd6c482c perf: Do the big ... |
1018 1019 1020 |
.procname = "perf_event_paranoid", .data = &sysctl_perf_event_paranoid, .maxlen = sizeof(sysctl_perf_event_paranoid), |
1ccd15497 perf_counter: sys... |
1021 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1022 |
.proc_handler = proc_dointvec, |
1ccd15497 perf_counter: sys... |
1023 |
}, |
c5078f78b perf_counter: pro... |
1024 |
{ |
cdd6c482c perf: Do the big ... |
1025 1026 1027 |
.procname = "perf_event_mlock_kb", .data = &sysctl_perf_event_mlock, .maxlen = sizeof(sysctl_perf_event_mlock), |
c5078f78b perf_counter: pro... |
1028 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1029 |
.proc_handler = proc_dointvec, |
c5078f78b perf_counter: pro... |
1030 |
}, |
a78ac3258 perf_counter: Gen... |
1031 |
{ |
cdd6c482c perf: Do the big ... |
1032 1033 1034 |
.procname = "perf_event_max_sample_rate", .data = &sysctl_perf_event_sample_rate, .maxlen = sizeof(sysctl_perf_event_sample_rate), |
a78ac3258 perf_counter: Gen... |
1035 |
.mode = 0644, |
163ec4354 perf: Optimize th... |
1036 |
.proc_handler = perf_proc_update_handler, |
a78ac3258 perf_counter: Gen... |
1037 |
}, |
14c63f17b perf: Drop sample... |
1038 1039 1040 1041 1042 1043 1044 1045 1046 |
{ .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... |
1047 |
#endif |
dfec072ec kmemcheck: add th... |
1048 1049 |
#ifdef CONFIG_KMEMCHECK { |
dfec072ec kmemcheck: add th... |
1050 1051 1052 1053 |
.procname = "kmemcheck", .data = &kmemcheck_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1054 |
.proc_handler = proc_dointvec, |
dfec072ec kmemcheck: add th... |
1055 1056 |
}, #endif |
cb684b5bc block: fix linkag... |
1057 |
#ifdef CONFIG_BLOCK |
5e605b64a block: add blk-io... |
1058 |
{ |
5e605b64a block: add blk-io... |
1059 1060 1061 1062 |
.procname = "blk_iopoll", .data = &blk_iopoll_enabled, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1063 |
.proc_handler = proc_dointvec, |
5e605b64a block: add blk-io... |
1064 |
}, |
cb684b5bc block: fix linkag... |
1065 |
#endif |
6fce56ec9 sysctl: Remove re... |
1066 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1067 |
}; |
d8217f076 sysctl core: Stop... |
1068 |
static struct ctl_table vm_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1069 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1070 1071 1072 1073 |
.procname = "overcommit_memory", .data = &sysctl_overcommit_memory, .maxlen = sizeof(sysctl_overcommit_memory), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1074 1075 1076 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, |
1da177e4c Linux-2.6.12-rc2 |
1077 1078 |
}, { |
fadd8fbd1 [PATCH] support f... |
1079 1080 1081 1082 |
.procname = "panic_on_oom", .data = &sysctl_panic_on_oom, .maxlen = sizeof(sysctl_panic_on_oom), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1083 1084 1085 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, |
fadd8fbd1 [PATCH] support f... |
1086 1087 |
}, { |
fe071d7e8 oom: add oom_kill... |
1088 1089 1090 1091 |
.procname = "oom_kill_allocating_task", .data = &sysctl_oom_kill_allocating_task, .maxlen = sizeof(sysctl_oom_kill_allocating_task), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1092 |
.proc_handler = proc_dointvec, |
fe071d7e8 oom: add oom_kill... |
1093 1094 |
}, { |
fef1bdd68 oom: add sysctl t... |
1095 1096 1097 1098 |
.procname = "oom_dump_tasks", .data = &sysctl_oom_dump_tasks, .maxlen = sizeof(sysctl_oom_dump_tasks), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1099 |
.proc_handler = proc_dointvec, |
fef1bdd68 oom: add sysctl t... |
1100 1101 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1102 1103 1104 1105 |
.procname = "overcommit_ratio", .data = &sysctl_overcommit_ratio, .maxlen = sizeof(sysctl_overcommit_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1106 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1107 1108 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1109 1110 1111 1112 |
.procname = "page-cluster", .data = &page_cluster, .maxlen = sizeof(int), .mode = 0644, |
cb16e95fa sysctl: add some ... |
1113 1114 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1115 1116 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1117 1118 1119 1120 |
.procname = "dirty_background_ratio", .data = &dirty_background_ratio, .maxlen = sizeof(dirty_background_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1121 |
.proc_handler = dirty_background_ratio_handler, |
1da177e4c Linux-2.6.12-rc2 |
1122 1123 1124 1125 |
.extra1 = &zero, .extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
1126 1127 1128 1129 |
.procname = "dirty_background_bytes", .data = &dirty_background_bytes, .maxlen = sizeof(dirty_background_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1130 |
.proc_handler = dirty_background_bytes_handler, |
fc3501d41 mm: fix dirty_byt... |
1131 |
.extra1 = &one_ul, |
2da02997e mm: add dirty_bac... |
1132 1133 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1134 1135 1136 1137 |
.procname = "dirty_ratio", .data = &vm_dirty_ratio, .maxlen = sizeof(vm_dirty_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1138 |
.proc_handler = dirty_ratio_handler, |
1da177e4c Linux-2.6.12-rc2 |
1139 1140 1141 1142 |
.extra1 = &zero, .extra2 = &one_hundred, }, { |
2da02997e mm: add dirty_bac... |
1143 1144 1145 1146 |
.procname = "dirty_bytes", .data = &vm_dirty_bytes, .maxlen = sizeof(vm_dirty_bytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1147 |
.proc_handler = dirty_bytes_handler, |
9e4a5bda8 mm: prevent divid... |
1148 |
.extra1 = &dirty_bytes_min, |
2da02997e mm: add dirty_bac... |
1149 1150 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1151 |
.procname = "dirty_writeback_centisecs", |
f6ef94381 [PATCH] Represent... |
1152 1153 |
.data = &dirty_writeback_interval, .maxlen = sizeof(dirty_writeback_interval), |
1da177e4c Linux-2.6.12-rc2 |
1154 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1155 |
.proc_handler = dirty_writeback_centisecs_handler, |
1da177e4c Linux-2.6.12-rc2 |
1156 1157 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1158 |
.procname = "dirty_expire_centisecs", |
f6ef94381 [PATCH] Represent... |
1159 1160 |
.data = &dirty_expire_interval, .maxlen = sizeof(dirty_expire_interval), |
1da177e4c Linux-2.6.12-rc2 |
1161 |
.mode = 0644, |
cb16e95fa sysctl: add some ... |
1162 1163 |
.proc_handler = proc_dointvec_minmax, .extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1164 1165 |
}, { |
3965c9ae4 mm: prepare for r... |
1166 1167 1168 |
.procname = "nr_pdflush_threads", .mode = 0444 /* read-only */, .proc_handler = pdflush_proc_obsolete, |
1da177e4c Linux-2.6.12-rc2 |
1169 1170 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1171 1172 1173 1174 |
.procname = "swappiness", .data = &vm_swappiness, .maxlen = sizeof(vm_swappiness), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1175 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1176 1177 1178 1179 |
.extra1 = &zero, .extra2 = &one_hundred, }, #ifdef CONFIG_HUGETLB_PAGE |
06808b082 hugetlb: derive h... |
1180 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1181 |
.procname = "nr_hugepages", |
e5ff21594 hugetlb: multiple... |
1182 |
.data = NULL, |
1da177e4c Linux-2.6.12-rc2 |
1183 1184 |
.maxlen = sizeof(unsigned long), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1185 |
.proc_handler = hugetlb_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1186 1187 |
.extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, |
06808b082 hugetlb: derive h... |
1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 |
}, #ifdef CONFIG_NUMA { .procname = "nr_hugepages_mempolicy", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = &hugetlb_mempolicy_sysctl_handler, .extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, }, #endif |
1da177e4c Linux-2.6.12-rc2 |
1200 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1201 1202 1203 1204 |
.procname = "hugetlb_shm_group", .data = &sysctl_hugetlb_shm_group, .maxlen = sizeof(gid_t), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1205 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1206 |
}, |
396faf030 Allow huge page a... |
1207 |
{ |
396faf030 Allow huge page a... |
1208 1209 1210 1211 |
.procname = "hugepages_treat_as_movable", .data = &hugepages_treat_as_movable, .maxlen = sizeof(int), .mode = 0644, |
86cdb465c mm: prepare to re... |
1212 |
.proc_handler = proc_dointvec, |
396faf030 Allow huge page a... |
1213 |
}, |
54f9f80d6 hugetlb: Add huge... |
1214 |
{ |
d1c3fb1f8 hugetlb: introduc... |
1215 |
.procname = "nr_overcommit_hugepages", |
e5ff21594 hugetlb: multiple... |
1216 1217 |
.data = NULL, .maxlen = sizeof(unsigned long), |
d1c3fb1f8 hugetlb: introduc... |
1218 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1219 |
.proc_handler = hugetlb_overcommit_handler, |
e5ff21594 hugetlb: multiple... |
1220 1221 |
.extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, |
d1c3fb1f8 hugetlb: introduc... |
1222 |
}, |
1da177e4c Linux-2.6.12-rc2 |
1223 1224 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1225 1226 1227 1228 |
.procname = "lowmem_reserve_ratio", .data = &sysctl_lowmem_reserve_ratio, .maxlen = sizeof(sysctl_lowmem_reserve_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1229 |
.proc_handler = lowmem_reserve_ratio_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1230 1231 |
}, { |
9d0243bca [PATCH] drop-page... |
1232 1233 1234 1235 1236 |
.procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), .mode = 0644, .proc_handler = drop_caches_sysctl_handler, |
cb16e95fa sysctl: add some ... |
1237 1238 |
.extra1 = &one, .extra2 = &three, |
9d0243bca [PATCH] drop-page... |
1239 |
}, |
76ab0f530 mm: compaction: a... |
1240 1241 1242 1243 1244 1245 1246 1247 |
#ifdef CONFIG_COMPACTION { .procname = "compact_memory", .data = &sysctl_compact_memory, .maxlen = sizeof(int), .mode = 0200, .proc_handler = sysctl_compaction_handler, }, |
5e7719058 mm: compaction: a... |
1248 1249 1250 1251 1252 1253 1254 1255 1256 |
{ .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, }, |
76ab0f530 mm: compaction: a... |
1257 |
#endif /* CONFIG_COMPACTION */ |
9d0243bca [PATCH] drop-page... |
1258 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1259 1260 1261 1262 |
.procname = "min_free_kbytes", .data = &min_free_kbytes, .maxlen = sizeof(min_free_kbytes), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1263 |
.proc_handler = min_free_kbytes_sysctl_handler, |
1da177e4c Linux-2.6.12-rc2 |
1264 1265 |
.extra1 = &zero, }, |
8ad4b1fb8 [PATCH] Make high... |
1266 |
{ |
8ad4b1fb8 [PATCH] Make high... |
1267 1268 1269 1270 |
.procname = "percpu_pagelist_fraction", .data = &percpu_pagelist_fraction, .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1271 |
.proc_handler = percpu_pagelist_fraction_sysctl_handler, |
8ad4b1fb8 [PATCH] Make high... |
1272 1273 |
.extra1 = &min_percpu_pagelist_fract, }, |
1da177e4c Linux-2.6.12-rc2 |
1274 1275 |
#ifdef CONFIG_MMU { |
1da177e4c Linux-2.6.12-rc2 |
1276 1277 1278 1279 |
.procname = "max_map_count", .data = &sysctl_max_map_count, .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, |
3e26120cc kernel/sysctl.c: ... |
1280 |
.proc_handler = proc_dointvec_minmax, |
70da2340f 'sysctl_max_map_c... |
1281 |
.extra1 = &zero, |
1da177e4c Linux-2.6.12-rc2 |
1282 |
}, |
dd8632a12 NOMMU: Make mmap ... |
1283 1284 |
#else { |
dd8632a12 NOMMU: Make mmap ... |
1285 1286 1287 1288 |
.procname = "nr_trim_pages", .data = &sysctl_nr_trim_pages, .maxlen = sizeof(sysctl_nr_trim_pages), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1289 |
.proc_handler = proc_dointvec_minmax, |
dd8632a12 NOMMU: Make mmap ... |
1290 1291 |
.extra1 = &zero, }, |
1da177e4c Linux-2.6.12-rc2 |
1292 1293 |
#endif { |
1da177e4c Linux-2.6.12-rc2 |
1294 1295 1296 1297 |
.procname = "laptop_mode", .data = &laptop_mode, .maxlen = sizeof(laptop_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1298 |
.proc_handler = proc_dointvec_jiffies, |
1da177e4c Linux-2.6.12-rc2 |
1299 1300 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1301 1302 1303 1304 |
.procname = "block_dump", .data = &block_dump, .maxlen = sizeof(block_dump), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1305 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1306 1307 1308 |
.extra1 = &zero, }, { |
1da177e4c Linux-2.6.12-rc2 |
1309 1310 1311 1312 |
.procname = "vfs_cache_pressure", .data = &sysctl_vfs_cache_pressure, .maxlen = sizeof(sysctl_vfs_cache_pressure), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1313 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1314 1315 1316 1317 |
.extra1 = &zero, }, #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT { |
1da177e4c Linux-2.6.12-rc2 |
1318 1319 1320 1321 |
.procname = "legacy_va_layout", .data = &sysctl_legacy_va_layout, .maxlen = sizeof(sysctl_legacy_va_layout), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1322 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1323 1324 1325 |
.extra1 = &zero, }, #endif |
1743660b9 [PATCH] Zone recl... |
1326 1327 |
#ifdef CONFIG_NUMA { |
1743660b9 [PATCH] Zone recl... |
1328 1329 1330 1331 |
.procname = "zone_reclaim_mode", .data = &zone_reclaim_mode, .maxlen = sizeof(zone_reclaim_mode), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1332 |
.proc_handler = proc_dointvec, |
c84db23c6 [PATCH] zone_recl... |
1333 |
.extra1 = &zero, |
1743660b9 [PATCH] Zone recl... |
1334 |
}, |
9614634fe [PATCH] ZVC/zone_... |
1335 |
{ |
9614634fe [PATCH] ZVC/zone_... |
1336 1337 1338 1339 |
.procname = "min_unmapped_ratio", .data = &sysctl_min_unmapped_ratio, .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1340 |
.proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, |
9614634fe [PATCH] ZVC/zone_... |
1341 1342 1343 |
.extra1 = &zero, .extra2 = &one_hundred, }, |
0ff38490c [PATCH] zone_recl... |
1344 |
{ |
0ff38490c [PATCH] zone_recl... |
1345 1346 1347 1348 |
.procname = "min_slab_ratio", .data = &sysctl_min_slab_ratio, .maxlen = sizeof(sysctl_min_slab_ratio), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1349 |
.proc_handler = sysctl_min_slab_ratio_sysctl_handler, |
0ff38490c [PATCH] zone_recl... |
1350 1351 1352 |
.extra1 = &zero, .extra2 = &one_hundred, }, |
1743660b9 [PATCH] Zone recl... |
1353 |
#endif |
77461ab33 Make vm statistic... |
1354 1355 |
#ifdef CONFIG_SMP { |
77461ab33 Make vm statistic... |
1356 1357 1358 1359 |
.procname = "stat_interval", .data = &sysctl_stat_interval, .maxlen = sizeof(sysctl_stat_interval), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1360 |
.proc_handler = proc_dointvec_jiffies, |
77461ab33 Make vm statistic... |
1361 1362 |
}, #endif |
6e1415467 NOMMU: Optimise a... |
1363 |
#ifdef CONFIG_MMU |
ed0321895 security: Protect... |
1364 |
{ |
ed0321895 security: Protect... |
1365 |
.procname = "mmap_min_addr", |
788084aba Security/SELinux:... |
1366 1367 |
.data = &dac_mmap_min_addr, .maxlen = sizeof(unsigned long), |
ed0321895 security: Protect... |
1368 |
.mode = 0644, |
6d4561110 sysctl: Drop & in... |
1369 |
.proc_handler = mmap_min_addr_handler, |
ed0321895 security: Protect... |
1370 |
}, |
6e1415467 NOMMU: Optimise a... |
1371 |
#endif |
f0c0b2b80 change zonelist o... |
1372 1373 |
#ifdef CONFIG_NUMA { |
f0c0b2b80 change zonelist o... |
1374 1375 1376 1377 |
.procname = "numa_zonelist_order", .data = &numa_zonelist_order, .maxlen = NUMA_ZONELIST_ORDER_LEN, .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1378 |
.proc_handler = numa_zonelist_order_handler, |
f0c0b2b80 change zonelist o... |
1379 1380 |
}, #endif |
2b8232ce5 minimal build fix... |
1381 |
#if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ |
5c36e6578 sysctl: Support v... |
1382 |
(defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) |
e6e5494cb [PATCH] vdso: ran... |
1383 |
{ |
e6e5494cb [PATCH] vdso: ran... |
1384 1385 1386 1387 |
.procname = "vdso_enabled", .data = &vdso_enabled, .maxlen = sizeof(vdso_enabled), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1388 |
.proc_handler = proc_dointvec, |
e6e5494cb [PATCH] vdso: ran... |
1389 1390 1391 |
.extra1 = &zero, }, #endif |
195cf453d mm/page-writeback... |
1392 1393 |
#ifdef CONFIG_HIGHMEM { |
195cf453d mm/page-writeback... |
1394 1395 1396 1397 |
.procname = "highmem_is_dirtyable", .data = &vm_highmem_is_dirtyable, .maxlen = sizeof(vm_highmem_is_dirtyable), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1398 |
.proc_handler = proc_dointvec_minmax, |
195cf453d mm/page-writeback... |
1399 1400 1401 1402 |
.extra1 = &zero, .extra2 = &one, }, #endif |
4be6f6bb6 mm: move the scan... |
1403 |
{ |
4be6f6bb6 mm: move the scan... |
1404 1405 1406 1407 |
.procname = "scan_unevictable_pages", .data = &scan_unevictable_pages, .maxlen = sizeof(scan_unevictable_pages), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1408 |
.proc_handler = scan_unevictable_handler, |
4be6f6bb6 mm: move the scan... |
1409 |
}, |
6a46079cf HWPOISON: The hig... |
1410 1411 |
#ifdef CONFIG_MEMORY_FAILURE { |
6a46079cf HWPOISON: The hig... |
1412 1413 1414 1415 |
.procname = "memory_failure_early_kill", .data = &sysctl_memory_failure_early_kill, .maxlen = sizeof(sysctl_memory_failure_early_kill), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1416 |
.proc_handler = proc_dointvec_minmax, |
6a46079cf HWPOISON: The hig... |
1417 1418 1419 1420 |
.extra1 = &zero, .extra2 = &one, }, { |
6a46079cf HWPOISON: The hig... |
1421 1422 1423 1424 |
.procname = "memory_failure_recovery", .data = &sysctl_memory_failure_recovery, .maxlen = sizeof(sysctl_memory_failure_recovery), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1425 |
.proc_handler = proc_dointvec_minmax, |
6a46079cf HWPOISON: The hig... |
1426 1427 1428 1429 |
.extra1 = &zero, .extra2 = &one, }, #endif |
c9b1d0981 mm: limit growth ... |
1430 1431 1432 1433 1434 1435 1436 |
{ .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... |
1437 1438 1439 1440 1441 1442 1443 |
{ .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... |
1444 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1445 |
}; |
2abc26fc6 [PATCH] sysctl: c... |
1446 |
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) |
d8217f076 sysctl core: Stop... |
1447 |
static struct ctl_table binfmt_misc_table[] = { |
6fce56ec9 sysctl: Remove re... |
1448 |
{ } |
2abc26fc6 [PATCH] sysctl: c... |
1449 1450 |
}; #endif |
d8217f076 sysctl core: Stop... |
1451 |
static struct ctl_table fs_table[] = { |
1da177e4c Linux-2.6.12-rc2 |
1452 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1453 1454 |
.procname = "inode-nr", .data = &inodes_stat, |
3942c07cc fs: bump inode an... |
1455 |
.maxlen = 2*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1456 |
.mode = 0444, |
cffbc8aa3 fs: Convert nr_in... |
1457 |
.proc_handler = proc_nr_inodes, |
1da177e4c Linux-2.6.12-rc2 |
1458 1459 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1460 1461 |
.procname = "inode-state", .data = &inodes_stat, |
3942c07cc fs: bump inode an... |
1462 |
.maxlen = 7*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1463 |
.mode = 0444, |
cffbc8aa3 fs: Convert nr_in... |
1464 |
.proc_handler = proc_nr_inodes, |
1da177e4c Linux-2.6.12-rc2 |
1465 1466 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1467 1468 |
.procname = "file-nr", .data = &files_stat, |
518de9b39 fs: allow for mor... |
1469 |
.maxlen = sizeof(files_stat), |
1da177e4c Linux-2.6.12-rc2 |
1470 |
.mode = 0444, |
6d4561110 sysctl: Drop & in... |
1471 |
.proc_handler = proc_nr_files, |
1da177e4c Linux-2.6.12-rc2 |
1472 1473 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1474 1475 |
.procname = "file-max", .data = &files_stat.max_files, |
518de9b39 fs: allow for mor... |
1476 |
.maxlen = sizeof(files_stat.max_files), |
1da177e4c Linux-2.6.12-rc2 |
1477 |
.mode = 0644, |
518de9b39 fs: allow for mor... |
1478 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1479 1480 |
}, { |
9cfe015aa get rid of NR_OPE... |
1481 1482 1483 1484 |
.procname = "nr_open", .data = &sysctl_nr_open, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1485 |
.proc_handler = proc_dointvec_minmax, |
eceea0b3d [PATCH] avoid mul... |
1486 1487 |
.extra1 = &sysctl_nr_open_min, .extra2 = &sysctl_nr_open_max, |
9cfe015aa get rid of NR_OPE... |
1488 1489 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1490 1491 |
.procname = "dentry-state", .data = &dentry_stat, |
3942c07cc fs: bump inode an... |
1492 |
.maxlen = 6*sizeof(long), |
1da177e4c Linux-2.6.12-rc2 |
1493 |
.mode = 0444, |
312d3ca85 fs: use percpu co... |
1494 |
.proc_handler = proc_nr_dentry, |
1da177e4c Linux-2.6.12-rc2 |
1495 1496 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1497 1498 1499 1500 |
.procname = "overflowuid", .data = &fs_overflowuid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1501 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1502 1503 1504 1505 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, { |
1da177e4c Linux-2.6.12-rc2 |
1506 1507 1508 1509 |
.procname = "overflowgid", .data = &fs_overflowgid, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1510 |
.proc_handler = proc_dointvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1511 1512 1513 |
.extra1 = &minolduid, .extra2 = &maxolduid, }, |
bfcd17a6c Configure out fil... |
1514 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1515 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1516 1517 1518 1519 |
.procname = "leases-enable", .data = &leases_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1520 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1521 |
}, |
bfcd17a6c Configure out fil... |
1522 |
#endif |
1da177e4c Linux-2.6.12-rc2 |
1523 1524 |
#ifdef CONFIG_DNOTIFY { |
1da177e4c Linux-2.6.12-rc2 |
1525 1526 1527 1528 |
.procname = "dir-notify-enable", .data = &dir_notify_enable, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1529 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1530 1531 1532 |
}, #endif #ifdef CONFIG_MMU |
bfcd17a6c Configure out fil... |
1533 |
#ifdef CONFIG_FILE_LOCKING |
1da177e4c Linux-2.6.12-rc2 |
1534 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1535 1536 1537 1538 |
.procname = "lease-break-time", .data = &lease_break_time, .maxlen = sizeof(int), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1539 |
.proc_handler = proc_dointvec, |
1da177e4c Linux-2.6.12-rc2 |
1540 |
}, |
bfcd17a6c Configure out fil... |
1541 |
#endif |
ebf3f09c6 Configure out AIO... |
1542 |
#ifdef CONFIG_AIO |
1da177e4c Linux-2.6.12-rc2 |
1543 |
{ |
1da177e4c Linux-2.6.12-rc2 |
1544 1545 1546 1547 |
.procname = "aio-nr", .data = &aio_nr, .maxlen = sizeof(aio_nr), .mode = 0444, |
6d4561110 sysctl: Drop & in... |
1548 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1549 1550 |
}, { |
1da177e4c Linux-2.6.12-rc2 |
1551 1552 1553 1554 |
.procname = "aio-max-nr", .data = &aio_max_nr, .maxlen = sizeof(aio_max_nr), .mode = 0644, |
6d4561110 sysctl: Drop & in... |
1555 |
.proc_handler = proc_doulongvec_minmax, |
1da177e4c Linux-2.6.12-rc2 |
1556 |
}, |
ebf3f09c6 Configure out AIO... |
1557 |
#endif /* CONFIG_AIO */ |
2d9048e20 [PATCH] inotify (... |
1558 |
#ifdef CONFIG_INOTIFY_USER |
0399cb08c [PATCH] inotify: ... |
1559 |
{ |
0399cb08c [PATCH] inotify: ... |
1560 1561 1562 1563 1564 |
.procname = "inotify", .mode = 0555, .child = inotify_table, }, #endif |
7ef9964e6 epoll: introduce ... |
1565 1566 1567 1568 1569 1570 1571 |
#ifdef CONFIG_EPOLL { .procname = "epoll", .mode = 0555, .child = epoll_table, }, #endif |
1da177e4c Linux-2.6.12-rc2 |
1572 |
#endif |
d6e711448 [PATCH] setuid co... |
1573 |
{ |
800179c9b fs: add link rest... |
1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 |
.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... |
1592 1593 1594 1595 |
.procname = "suid_dumpable", .data = &suid_dumpable, .maxlen = sizeof(int), .mode = 0644, |
54b501992 coredump: warn ab... |
1596 |
.proc_handler = proc_dointvec_minmax_coredump, |
8e654fba4 sysctl: fix suid_... |
1597 1598 |
.extra1 = &zero, .extra2 = &two, |
d6e711448 [PATCH] setuid co... |
1599 |
}, |
2abc26fc6 [PATCH] sysctl: c... |
1600 1601 |
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) { |
2abc26fc6 [PATCH] sysctl: c... |
1602 1603 1604 1605 1606 |
.procname = "binfmt_misc", .mode = 0555, .child = binfmt_misc_table, }, #endif |
b492e95be pipe: set lower a... |
1607 |
{ |
ff9da691c pipe: change /pro... |
1608 1609 |
.procname = "pipe-max-size", .data = &pipe_max_size, |
b492e95be pipe: set lower a... |
1610 1611 |
.maxlen = sizeof(int), .mode = 0644, |
ff9da691c pipe: change /pro... |
1612 1613 |
.proc_handler = &pipe_proc_fn, .extra1 = &pipe_min_size, |
b492e95be pipe: set lower a... |
1614 |
}, |
6fce56ec9 sysctl: Remove re... |
1615 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1616 |
}; |
d8217f076 sysctl core: Stop... |
1617 |
static struct ctl_table debug_table[] = { |
7ac57a89d Kconfig: clean up... |
1618 |
#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE |
abd4f7505 x86: i386-show-un... |
1619 |
{ |
abd4f7505 x86: i386-show-un... |
1620 1621 1622 1623 1624 1625 1626 |
.procname = "exception-trace", .data = &show_unhandled_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec }, #endif |
b2be84df9 kprobes: Jump opt... |
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 |
#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... |
1638 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
1639 |
}; |
d8217f076 sysctl core: Stop... |
1640 |
static struct ctl_table dev_table[] = { |
6fce56ec9 sysctl: Remove re... |
1641 |
{ } |
0eeca2830 [PATCH] inotify |
1642 |
}; |
1da177e4c Linux-2.6.12-rc2 |
1643 |
|
de4e83bd6 sysctl: Register ... |
1644 |
int __init sysctl_init(void) |
d912b0cc1 [PATCH] sysctl: a... |
1645 |
{ |
fd4b616b0 sysctl: suppress ... |
1646 1647 1648 1649 |
struct ctl_table_header *hdr; hdr = register_sysctl_table(sysctl_base_table); kmemleak_not_leak(hdr); |
d912b0cc1 [PATCH] sysctl: a... |
1650 1651 |
return 0; } |
b89a81712 [PATCH] sysctl: A... |
1652 |
#endif /* CONFIG_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
1653 1654 1655 |
/* * /proc/sys support */ |
b89a81712 [PATCH] sysctl: A... |
1656 |
#ifdef CONFIG_PROC_SYSCTL |
1da177e4c Linux-2.6.12-rc2 |
1657 |
|
b1ba4ddde [PATCH] make kern... |
1658 |
static int _proc_do_string(void* data, int maxlen, int write, |
8d65af789 sysctl: remove "s... |
1659 |
void __user *buffer, |
b1ba4ddde [PATCH] make kern... |
1660 |
size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
1661 1662 1663 1664 |
{ size_t len; char __user *p; char c; |
8d0608771 [PATCH] _proc_do_... |
1665 1666 |
if (!data || !maxlen || !*lenp) { |
1da177e4c Linux-2.6.12-rc2 |
1667 1668 1669 |
*lenp = 0; return 0; } |
8d0608771 [PATCH] _proc_do_... |
1670 |
|
1da177e4c Linux-2.6.12-rc2 |
1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 |
if (write) { len = 0; p = buffer; while (len < *lenp) { if (get_user(c, p++)) return -EFAULT; if (c == 0 || c == ' ') break; len++; } |
f5dd3d6fa [PATCH] proc: sys... |
1682 1683 1684 |
if (len >= maxlen) len = maxlen-1; if(copy_from_user(data, buffer, len)) |
1da177e4c Linux-2.6.12-rc2 |
1685 |
return -EFAULT; |
f5dd3d6fa [PATCH] proc: sys... |
1686 |
((char *) data)[len] = 0; |
1da177e4c Linux-2.6.12-rc2 |
1687 1688 |
*ppos += *lenp; } else { |
f5dd3d6fa [PATCH] proc: sys... |
1689 1690 1691 |
len = strlen(data); if (len > maxlen) len = maxlen; |
8d0608771 [PATCH] _proc_do_... |
1692 1693 1694 1695 1696 1697 1698 1699 |
if (*ppos > len) { *lenp = 0; return 0; } data += *ppos; len -= *ppos; |
1da177e4c Linux-2.6.12-rc2 |
1700 1701 1702 |
if (len > *lenp) len = *lenp; if (len) |
f5dd3d6fa [PATCH] proc: sys... |
1703 |
if(copy_to_user(buffer, data, len)) |
1da177e4c Linux-2.6.12-rc2 |
1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 |
return -EFAULT; if (len < *lenp) { if(put_user(' ', ((char __user *) buffer) + len)) return -EFAULT; len++; } *lenp = len; *ppos += len; } return 0; } |
f5dd3d6fa [PATCH] proc: sys... |
1716 1717 1718 1719 |
/** * 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... |
1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 |
* @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... |
1734 |
int proc_dostring(struct ctl_table *table, int write, |
f5dd3d6fa [PATCH] proc: sys... |
1735 1736 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
1737 |
return _proc_do_string(table->data, table->maxlen, write, |
f5dd3d6fa [PATCH] proc: sys... |
1738 1739 |
buffer, lenp, ppos); } |
00b7c3395 sysctl: refactor ... |
1740 1741 1742 1743 1744 1745 1746 1747 |
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_... |
1748 1749 1750 1751 1752 1753 1754 1755 1756 |
static void proc_skip_char(char **buf, size_t *size, const char v) { while (*size) { if (**buf != v) break; (*size)--; (*buf)++; } } |
00b7c3395 sysctl: refactor ... |
1757 1758 |
#define TMPBUFLEN 22 /** |
0fc377bd6 sysctl: fix kerne... |
1759 |
* proc_get_long - reads an ASCII formatted integer from a user buffer |
00b7c3395 sysctl: refactor ... |
1760 |
* |
0fc377bd6 sysctl: fix kerne... |
1761 1762 1763 1764 1765 1766 1767 |
* @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 ... |
1768 |
* |
0fc377bd6 sysctl: fix kerne... |
1769 1770 1771 1772 |
* 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 ... |
1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 |
*/ 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 |
1812 |
|
00b7c3395 sysctl: refactor ... |
1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 |
if (tr && (len < *size)) *tr = *p; *buf += len; *size -= len; return 0; } /** |
0fc377bd6 sysctl: fix kerne... |
1823 |
* proc_put_long - converts an integer to a decimal ASCII formatted string |
00b7c3395 sysctl: refactor ... |
1824 |
* |
0fc377bd6 sysctl: fix kerne... |
1825 1826 1827 1828 |
* @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 ... |
1829 |
* |
0fc377bd6 sysctl: fix kerne... |
1830 1831 |
* In case of success %0 is returned and @buf and @size are updated with * the amount of bytes written. |
00b7c3395 sysctl: refactor ... |
1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 |
*/ 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 |
1862 |
|
00b7c3395 sysctl: refactor ... |
1863 |
static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
1864 1865 1866 1867 1868 1869 1870 1871 |
int *valp, int write, void *data) { if (write) { *valp = *negp ? -*lvalp : *lvalp; } else { int val = *valp; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
1872 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
1873 1874 |
*lvalp = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
1875 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
1876 1877 1878 1879 1880 |
*lvalp = (unsigned long)val; } } return 0; } |
00b7c3395 sysctl: refactor ... |
1881 1882 |
static const char proc_wspace_sep[] = { ' ', '\t', ' ' }; |
d8217f076 sysctl core: Stop... |
1883 |
static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, |
8d65af789 sysctl: remove "s... |
1884 |
int write, void __user *buffer, |
fcfbd547b [PATCH] IPC names... |
1885 |
size_t *lenp, loff_t *ppos, |
00b7c3395 sysctl: refactor ... |
1886 |
int (*conv)(bool *negp, unsigned long *lvalp, int *valp, |
1da177e4c Linux-2.6.12-rc2 |
1887 1888 1889 |
int write, void *data), void *data) { |
00b7c3395 sysctl: refactor ... |
1890 1891 1892 1893 |
int *i, vleft, first = 1, err = 0; unsigned long page = 0; size_t left; char *kbuf; |
1da177e4c Linux-2.6.12-rc2 |
1894 |
|
00b7c3395 sysctl: refactor ... |
1895 |
if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) { |
1da177e4c Linux-2.6.12-rc2 |
1896 1897 1898 1899 |
*lenp = 0; return 0; } |
fcfbd547b [PATCH] IPC names... |
1900 |
i = (int *) tbl_data; |
1da177e4c Linux-2.6.12-rc2 |
1901 1902 1903 1904 1905 |
vleft = table->maxlen / sizeof(*i); left = *lenp; if (!conv) conv = do_proc_dointvec_conv; |
00b7c3395 sysctl: refactor ... |
1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 |
if (write) { 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 |
1919 |
for (; left && vleft--; i++, first=0) { |
00b7c3395 sysctl: refactor ... |
1920 1921 |
unsigned long lval; bool neg; |
1da177e4c Linux-2.6.12-rc2 |
1922 |
|
00b7c3395 sysctl: refactor ... |
1923 1924 |
if (write) { left -= proc_skip_spaces(&kbuf); |
1da177e4c Linux-2.6.12-rc2 |
1925 |
|
563b04671 proc_dointvec: wr... |
1926 1927 |
if (!left) break; |
00b7c3395 sysctl: refactor ... |
1928 1929 1930 1931 |
err = proc_get_long(&kbuf, &left, &lval, &neg, proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err) |
1da177e4c Linux-2.6.12-rc2 |
1932 |
break; |
00b7c3395 sysctl: refactor ... |
1933 1934 |
if (conv(&neg, &lval, i, 1, data)) { err = -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
1935 |
break; |
00b7c3395 sysctl: refactor ... |
1936 |
} |
1da177e4c Linux-2.6.12-rc2 |
1937 |
} else { |
00b7c3395 sysctl: refactor ... |
1938 1939 1940 1941 |
if (conv(&neg, &lval, i, 0, data)) { err = -EINVAL; break; } |
1da177e4c Linux-2.6.12-rc2 |
1942 |
if (!first) |
00b7c3395 sysctl: refactor ... |
1943 1944 1945 1946 1947 |
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 |
1948 |
break; |
1da177e4c Linux-2.6.12-rc2 |
1949 1950 |
} } |
00b7c3395 sysctl: refactor ... |
1951 1952 1953 |
if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, ' '); |
563b04671 proc_dointvec: wr... |
1954 |
if (write && !err && left) |
00b7c3395 sysctl: refactor ... |
1955 1956 |
left -= proc_skip_spaces(&kbuf); free: |
1da177e4c Linux-2.6.12-rc2 |
1957 |
if (write) { |
00b7c3395 sysctl: refactor ... |
1958 1959 1960 |
free_page(page); if (first) return err ? : -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
1961 |
} |
1da177e4c Linux-2.6.12-rc2 |
1962 1963 |
*lenp -= left; *ppos += *lenp; |
00b7c3395 sysctl: refactor ... |
1964 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
1965 |
} |
8d65af789 sysctl: remove "s... |
1966 |
static int do_proc_dointvec(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
1967 |
void __user *buffer, size_t *lenp, loff_t *ppos, |
00b7c3395 sysctl: refactor ... |
1968 |
int (*conv)(bool *negp, unsigned long *lvalp, int *valp, |
fcfbd547b [PATCH] IPC names... |
1969 1970 1971 |
int write, void *data), void *data) { |
8d65af789 sysctl: remove "s... |
1972 |
return __do_proc_dointvec(table->data, table, write, |
fcfbd547b [PATCH] IPC names... |
1973 1974 |
buffer, lenp, ppos, conv, data); } |
1da177e4c Linux-2.6.12-rc2 |
1975 1976 1977 1978 |
/** * 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 |
1979 1980 1981 1982 1983 1984 1985 1986 1987 |
* @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... |
1988 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
1989 1990 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
1991 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
1992 1993 |
NULL,NULL); } |
34f5a3989 [PATCH] Add TAINT... |
1994 |
/* |
25ddbb18a Make the taint fl... |
1995 1996 |
* Taint values can only be increased * This means we can safely use a temporary. |
34f5a3989 [PATCH] Add TAINT... |
1997 |
*/ |
8d65af789 sysctl: remove "s... |
1998 |
static int proc_taint(struct ctl_table *table, int write, |
34f5a3989 [PATCH] Add TAINT... |
1999 2000 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
25ddbb18a Make the taint fl... |
2001 2002 2003 |
struct ctl_table t; unsigned long tmptaint = get_taint(); int err; |
34f5a3989 [PATCH] Add TAINT... |
2004 |
|
91fcd412e Allow reading tai... |
2005 |
if (write && !capable(CAP_SYS_ADMIN)) |
34f5a3989 [PATCH] Add TAINT... |
2006 |
return -EPERM; |
25ddbb18a Make the taint fl... |
2007 2008 |
t = *table; t.data = &tmptaint; |
8d65af789 sysctl: remove "s... |
2009 |
err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos); |
25ddbb18a Make the taint fl... |
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 |
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... |
2021 |
add_taint(i, LOCKDEP_STILL_OK); |
25ddbb18a Make the taint fl... |
2022 2023 2024 2025 |
} } return err; |
34f5a3989 [PATCH] Add TAINT... |
2026 |
} |
bfdc0b497 sysctl: restrict ... |
2027 |
#ifdef CONFIG_PRINTK |
620f6e8e8 sysctl: fix write... |
2028 |
static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, |
bfdc0b497 sysctl: restrict ... |
2029 2030 2031 2032 2033 2034 2035 2036 |
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 |
2037 2038 2039 2040 |
struct do_proc_dointvec_minmax_conv_param { int *min; int *max; }; |
00b7c3395 sysctl: refactor ... |
2041 2042 |
static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp, int *valp, |
1da177e4c Linux-2.6.12-rc2 |
2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 |
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 ... |
2055 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2056 2057 |
*lvalp = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2058 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 |
*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 |
2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 |
* @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... |
2081 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2082 2083 2084 2085 2086 2087 |
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... |
2088 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2089 2090 |
do_proc_dointvec_minmax_conv, ¶m); } |
54b501992 coredump: warn ab... |
2091 2092 |
static void validate_coredump_safety(void) { |
046d662f4 coredump: make co... |
2093 |
#ifdef CONFIG_COREDUMP |
e579d2c25 coredump: remove ... |
2094 |
if (suid_dumpable == SUID_DUMP_ROOT && |
54b501992 coredump: warn ab... |
2095 2096 2097 2098 2099 2100 |
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... |
2101 |
#endif |
54b501992 coredump: warn ab... |
2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 |
} 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... |
2112 |
#ifdef CONFIG_COREDUMP |
54b501992 coredump: warn ab... |
2113 2114 2115 2116 2117 2118 2119 2120 |
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... |
2121 |
#endif |
54b501992 coredump: warn ab... |
2122 |
|
d8217f076 sysctl core: Stop... |
2123 |
static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2124 2125 2126 2127 2128 |
void __user *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul, unsigned long convdiv) { |
00b7c3395 sysctl: refactor ... |
2129 2130 2131 2132 2133 2134 2135 |
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 |
2136 2137 2138 |
*lenp = 0; return 0; } |
00b7c3395 sysctl: refactor ... |
2139 |
|
fcfbd547b [PATCH] IPC names... |
2140 |
i = (unsigned long *) data; |
1da177e4c Linux-2.6.12-rc2 |
2141 2142 2143 2144 |
min = (unsigned long *) table->extra1; max = (unsigned long *) table->extra2; vleft = table->maxlen / sizeof(unsigned long); left = *lenp; |
00b7c3395 sysctl: refactor ... |
2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 |
if (write) { 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... |
2159 |
for (; left && vleft--; i++, first = 0) { |
00b7c3395 sysctl: refactor ... |
2160 |
unsigned long val; |
1da177e4c Linux-2.6.12-rc2 |
2161 |
if (write) { |
00b7c3395 sysctl: refactor ... |
2162 2163 2164 2165 2166 2167 2168 2169 |
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 |
2170 2171 |
break; if (neg) |
1da177e4c Linux-2.6.12-rc2 |
2172 2173 2174 2175 2176 |
continue; if ((min && val < *min) || (max && val > *max)) continue; *i = val; } else { |
00b7c3395 sysctl: refactor ... |
2177 |
val = convdiv * (*i) / convmul; |
1da177e4c Linux-2.6.12-rc2 |
2178 |
if (!first) |
00b7c3395 sysctl: refactor ... |
2179 2180 2181 2182 |
err = proc_put_char(&buffer, &left, '\t'); err = proc_put_long(&buffer, &left, val, false); if (err) break; |
1da177e4c Linux-2.6.12-rc2 |
2183 2184 |
} } |
00b7c3395 sysctl: refactor ... |
2185 2186 2187 2188 2189 2190 |
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 |
2191 |
if (write) { |
00b7c3395 sysctl: refactor ... |
2192 2193 2194 |
free_page(page); if (first) return err ? : -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
2195 |
} |
1da177e4c Linux-2.6.12-rc2 |
2196 2197 |
*lenp -= left; *ppos += *lenp; |
00b7c3395 sysctl: refactor ... |
2198 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
2199 |
} |
d8217f076 sysctl core: Stop... |
2200 |
static int do_proc_doulongvec_minmax(struct ctl_table *table, int write, |
fcfbd547b [PATCH] IPC names... |
2201 2202 2203 2204 2205 2206 |
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... |
2207 |
buffer, lenp, ppos, convmul, convdiv); |
fcfbd547b [PATCH] IPC names... |
2208 |
} |
1da177e4c Linux-2.6.12-rc2 |
2209 2210 2211 2212 |
/** * 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 |
2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 |
* @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... |
2225 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2226 2227 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2228 |
return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l); |
1da177e4c Linux-2.6.12-rc2 |
2229 2230 2231 2232 2233 2234 |
} /** * 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 |
2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 |
* @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... |
2248 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2249 2250 2251 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2252 |
return do_proc_doulongvec_minmax(table, write, buffer, |
1da177e4c Linux-2.6.12-rc2 |
2253 2254 |
lenp, ppos, HZ, 1000l); } |
00b7c3395 sysctl: refactor ... |
2255 |
static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2256 2257 2258 2259 |
int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2260 2261 |
if (*lvalp > LONG_MAX / HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
2262 2263 2264 2265 2266 |
*valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ); } else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2267 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2268 2269 |
lval = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2270 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2271 2272 2273 2274 2275 2276 |
lval = (unsigned long)val; } *lvalp = lval / HZ; } return 0; } |
00b7c3395 sysctl: refactor ... |
2277 |
static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2278 2279 2280 2281 |
int *valp, int write, void *data) { if (write) { |
cba9f33d1 [PATCH] Range che... |
2282 2283 |
if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ) return 1; |
1da177e4c Linux-2.6.12-rc2 |
2284 2285 2286 2287 2288 |
*valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp); } else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2289 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2290 2291 |
lval = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2292 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2293 2294 2295 2296 2297 2298 |
lval = (unsigned long)val; } *lvalp = jiffies_to_clock_t(lval); } return 0; } |
00b7c3395 sysctl: refactor ... |
2299 |
static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, |
1da177e4c Linux-2.6.12-rc2 |
2300 2301 2302 2303 |
int *valp, int write, void *data) { if (write) { |
d738ce8fd sysctl: range che... |
2304 2305 2306 2307 2308 |
unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp); if (jif > INT_MAX) return 1; *valp = (int)jif; |
1da177e4c Linux-2.6.12-rc2 |
2309 2310 2311 2312 |
} else { int val = *valp; unsigned long lval; if (val < 0) { |
00b7c3395 sysctl: refactor ... |
2313 |
*negp = true; |
1da177e4c Linux-2.6.12-rc2 |
2314 2315 |
lval = (unsigned long)-val; } else { |
00b7c3395 sysctl: refactor ... |
2316 |
*negp = false; |
1da177e4c Linux-2.6.12-rc2 |
2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 |
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 |
2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 |
* @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... |
2339 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2340 2341 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2342 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2343 2344 2345 2346 2347 2348 2349 |
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 |
2350 2351 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
1e5d53314 [PATCH] more kern... |
2352 |
* @ppos: pointer to the file position |
1da177e4c Linux-2.6.12-rc2 |
2353 2354 2355 2356 2357 2358 2359 2360 |
* * 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... |
2361 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2362 2363 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2364 |
return do_proc_dointvec(table,write,buffer,lenp,ppos, |
1da177e4c Linux-2.6.12-rc2 |
2365 2366 2367 2368 2369 2370 2371 |
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 |
2372 2373 |
* @buffer: the user buffer * @lenp: the size of the user buffer |
67be2dd1b [PATCH] DocBook: ... |
2374 2375 |
* @ppos: file position * @ppos: the current position in the file |
1da177e4c Linux-2.6.12-rc2 |
2376 2377 2378 2379 2380 2381 2382 2383 |
* * 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... |
2384 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2385 2386 |
void __user *buffer, size_t *lenp, loff_t *ppos) { |
8d65af789 sysctl: remove "s... |
2387 |
return do_proc_dointvec(table, write, buffer, lenp, ppos, |
1da177e4c Linux-2.6.12-rc2 |
2388 2389 |
do_proc_dointvec_ms_jiffies_conv, NULL); } |
8d65af789 sysctl: remove "s... |
2390 |
static int proc_do_cad_pid(struct ctl_table *table, int write, |
9ec52099e [PATCH] replace c... |
2391 2392 2393 2394 2395 |
void __user *buffer, size_t *lenp, loff_t *ppos) { struct pid *new_pid; pid_t tmp; int r; |
6c5f3e7b4 Pidns: make full ... |
2396 |
tmp = pid_vnr(cad_pid); |
9ec52099e [PATCH] replace c... |
2397 |
|
8d65af789 sysctl: remove "s... |
2398 |
r = __do_proc_dointvec(&tmp, table, write, buffer, |
9ec52099e [PATCH] replace c... |
2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 |
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_... |
2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 |
/** * 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; unsigned long *bitmap = (unsigned long *) table->data; unsigned long *tmp_bitmap = NULL; char tr_a[] = { '-', ',', ' ' }, tr_b[] = { ',', ' ', 0 }, c; if (!bitmap_len || !left || (*ppos && !write)) { *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... |
2505 |
bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1); |
9f977fb7a sysctl: add proc_... |
2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 |
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... |
2550 |
bitmap_copy(bitmap, tmp_bitmap, bitmap_len); |
9f977fb7a sysctl: add proc_... |
2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 |
} kfree(tmp_bitmap); *lenp -= left; *ppos += *lenp; return 0; } else { kfree(tmp_bitmap); return err; } } |
556105000 sysctl: fix #ifde... |
2561 |
#else /* CONFIG_PROC_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
2562 |
|
8d65af789 sysctl: remove "s... |
2563 |
int proc_dostring(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2564 2565 2566 2567 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2568 |
int proc_dointvec(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2569 |
void __user *buffer, size_t *lenp, loff_t *ppos) |
1da177e4c Linux-2.6.12-rc2 |
2570 2571 2572 |
{ return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2573 |
int proc_dointvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2574 2575 2576 2577 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2578 |
int proc_dointvec_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2579 2580 2581 2582 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2583 |
int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2584 2585 2586 2587 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2588 |
int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2589 2590 2591 2592 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
8d65af789 sysctl: remove "s... |
2593 |
int proc_doulongvec_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2594 2595 2596 2597 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
d8217f076 sysctl core: Stop... |
2598 |
int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, |
1da177e4c Linux-2.6.12-rc2 |
2599 2600 2601 2602 2603 |
void __user *buffer, size_t *lenp, loff_t *ppos) { return -ENOSYS; } |
556105000 sysctl: fix #ifde... |
2604 |
#endif /* CONFIG_PROC_SYSCTL */ |
1da177e4c Linux-2.6.12-rc2 |
2605 |
|
1da177e4c Linux-2.6.12-rc2 |
2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 |
/* * 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); |