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-rw-r--r--kernel/sysctl.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 4ebe6136b08d..9b4f0cff76ea 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -20,18 +20,12 @@
*/
#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
#include <linux/sysctl.h>
#include <linux/bitmap.h>
-#include <linux/signal.h>
-#include <linux/panic.h>
#include <linux/printk.h>
#include <linux/proc_fs.h>
#include <linux/security.h>
#include <linux/ctype.h>
-#include <linux/kmemleak.h>
#include <linux/filter.h>
#include <linux/fs.h>
#include <linux/init.h>
@@ -42,25 +36,19 @@
#include <linux/highuid.h>
#include <linux/writeback.h>
#include <linux/ratelimit.h>
-#include <linux/hugetlb.h>
#include <linux/initrd.h>
#include <linux/key.h>
#include <linux/times.h>
#include <linux/limits.h>
-#include <linux/dcache.h>
#include <linux/syscalls.h>
-#include <linux/vmstat.h>
#include <linux/nfs_fs.h>
#include <linux/acpi.h>
#include <linux/reboot.h>
-#include <linux/ftrace.h>
-#include <linux/oom.h>
#include <linux/kmod.h>
#include <linux/capability.h>
#include <linux/binfmts.h>
#include <linux/sched/sysctl.h>
#include <linux/mount.h>
-#include <linux/userfaultfd_k.h>
#include <linux/pid.h>
#include "../lib/kstrtox.h"
@@ -70,12 +58,8 @@
#ifdef CONFIG_X86
#include <asm/nmi.h>
-#include <asm/stacktrace.h>
#include <asm/io.h>
#endif
-#ifdef CONFIG_SPARC
-#include <asm/setup.h>
-#endif
#ifdef CONFIG_RT_MUTEXES
#include <linux/rtmutex.h>
#endif
@@ -122,12 +106,6 @@ enum sysctl_writes_mode {
static enum sysctl_writes_mode sysctl_writes_strict = SYSCTL_WRITES_STRICT;
#endif /* CONFIG_PROC_SYSCTL */
-
-#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \
- defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)
-int sysctl_legacy_va_layout;
-#endif
-
#endif /* CONFIG_SYSCTL */
/*
@@ -1603,13 +1581,6 @@ int proc_do_static_key(const struct ctl_table *table, int write,
}
static const struct ctl_table kern_table[] = {
- {
- .procname = "panic",
- .data = &panic_timeout,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
#ifdef CONFIG_PROC_SYSCTL
{
.procname = "tainted",
@@ -1627,45 +1598,6 @@ static const struct ctl_table kern_table[] = {
.extra2 = SYSCTL_ONE,
},
#endif
- {
- .procname = "print-fatal-signals",
- .data = &print_fatal_signals,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
-#ifdef CONFIG_SPARC
- {
- .procname = "reboot-cmd",
- .data = reboot_command,
- .maxlen = 256,
- .mode = 0644,
- .proc_handler = proc_dostring,
- },
- {
- .procname = "stop-a",
- .data = &stop_a_enabled,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "scons-poweroff",
- .data = &scons_pwroff,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
-#endif
-#ifdef CONFIG_SPARC64
- {
- .procname = "tsb-ratio",
- .data = &sysctl_tsb_ratio,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
-#endif
#ifdef CONFIG_PARISC
{
.procname = "soft-power",
@@ -1684,38 +1616,6 @@ static const struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
#endif
-#ifdef CONFIG_STACK_TRACER
- {
- .procname = "stack_tracer_enabled",
- .data = &stack_tracer_enabled,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = stack_trace_sysctl,
- },
-#endif
-#ifdef CONFIG_TRACING
- {
- .procname = "ftrace_dump_on_oops",
- .data = &ftrace_dump_on_oops,
- .maxlen = MAX_TRACER_SIZE,
- .mode = 0644,
- .proc_handler = proc_dostring,
- },
- {
- .procname = "traceoff_on_warning",
- .data = &__disable_trace_on_warning,
- .maxlen = sizeof(__disable_trace_on_warning),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "tracepoint_printk",
- .data = &tracepoint_printk,
- .maxlen = sizeof(tracepoint_printk),
- .mode = 0644,
- .proc_handler = tracepoint_printk_sysctl,
- },
-#endif
#ifdef CONFIG_MODULES
{
.procname = "modprobe",
@@ -1787,29 +1687,6 @@ static const struct ctl_table kern_table[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_MAXOLDUID,
},
-#ifdef CONFIG_S390
- {
- .procname = "userprocess_debug",
- .data = &show_unhandled_signals,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
-#endif
- {
- .procname = "panic_on_oops",
- .data = &panic_on_oops,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "panic_print",
- .data = &panic_print,
- .maxlen = sizeof(unsigned long),
- .mode = 0644,
- .proc_handler = proc_doulongvec_minmax,
- },
{
.procname = "ngroups_max",
.data = (void *)&ngroups_max,
@@ -1843,15 +1720,6 @@ static const struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
#endif
-#if defined(CONFIG_S390) && defined(CONFIG_SMP)
- {
- .procname = "spin_retry",
- .data = &spin_retry,
- .maxlen = sizeof (int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
-#endif
#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
{
.procname = "ignore-unaligned-usertrap",
@@ -1870,15 +1738,6 @@ static const struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
#endif
- {
- .procname = "panic_on_warn",
- .data = &panic_on_warn,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- .extra2 = SYSCTL_ONE,
- },
#ifdef CONFIG_TREE_RCU
{
.procname = "panic_on_rcu_stall",
@@ -1901,215 +1760,9 @@ static const struct ctl_table kern_table[] = {
#endif
};
-static const struct ctl_table vm_table[] = {
- {
- .procname = "overcommit_memory",
- .data = &sysctl_overcommit_memory,
- .maxlen = sizeof(sysctl_overcommit_memory),
- .mode = 0644,
- .proc_handler = overcommit_policy_handler,
- .extra1 = SYSCTL_ZERO,
- .extra2 = SYSCTL_TWO,
- },
- {
- .procname = "overcommit_ratio",
- .data = &sysctl_overcommit_ratio,
- .maxlen = sizeof(sysctl_overcommit_ratio),
- .mode = 0644,
- .proc_handler = overcommit_ratio_handler,
- },
- {
- .procname = "overcommit_kbytes",
- .data = &sysctl_overcommit_kbytes,
- .maxlen = sizeof(sysctl_overcommit_kbytes),
- .mode = 0644,
- .proc_handler = overcommit_kbytes_handler,
- },
- {
- .procname = "page-cluster",
- .data = &page_cluster,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- .extra2 = (void *)&page_cluster_max,
- },
- {
- .procname = "dirtytime_expire_seconds",
- .data = &dirtytime_expire_interval,
- .maxlen = sizeof(dirtytime_expire_interval),
- .mode = 0644,
- .proc_handler = dirtytime_interval_handler,
- .extra1 = SYSCTL_ZERO,
- },
- {
- .procname = "swappiness",
- .data = &vm_swappiness,
- .maxlen = sizeof(vm_swappiness),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- .extra2 = SYSCTL_TWO_HUNDRED,
- },
-#ifdef CONFIG_NUMA
- {
- .procname = "numa_stat",
- .data = &sysctl_vm_numa_stat,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = sysctl_vm_numa_stat_handler,
- .extra1 = SYSCTL_ZERO,
- .extra2 = SYSCTL_ONE,
- },
-#endif
- {
- .procname = "drop_caches",
- .data = &sysctl_drop_caches,
- .maxlen = sizeof(int),
- .mode = 0200,
- .proc_handler = drop_caches_sysctl_handler,
- .extra1 = SYSCTL_ONE,
- .extra2 = SYSCTL_FOUR,
- },
- {
- .procname = "page_lock_unfairness",
- .data = &sysctl_page_lock_unfairness,
- .maxlen = sizeof(sysctl_page_lock_unfairness),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- },
-#ifdef CONFIG_MMU
- {
- .procname = "max_map_count",
- .data = &sysctl_max_map_count,
- .maxlen = sizeof(sysctl_max_map_count),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- },
-#else
- {
- .procname = "nr_trim_pages",
- .data = &sysctl_nr_trim_pages,
- .maxlen = sizeof(sysctl_nr_trim_pages),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- },
-#endif
- {
- .procname = "vfs_cache_pressure",
- .data = &sysctl_vfs_cache_pressure,
- .maxlen = sizeof(sysctl_vfs_cache_pressure),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- },
-#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \
- defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)
- {
- .procname = "legacy_va_layout",
- .data = &sysctl_legacy_va_layout,
- .maxlen = sizeof(sysctl_legacy_va_layout),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- },
-#endif
-#ifdef CONFIG_NUMA
- {
- .procname = "zone_reclaim_mode",
- .data = &node_reclaim_mode,
- .maxlen = sizeof(node_reclaim_mode),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = SYSCTL_ZERO,
- },
-#endif
-#ifdef CONFIG_SMP
- {
- .procname = "stat_interval",
- .data = &sysctl_stat_interval,
- .maxlen = sizeof(sysctl_stat_interval),
- .mode = 0644,
- .proc_handler = proc_dointvec_jiffies,
- },
- {
- .procname = "stat_refresh",
- .data = NULL,
- .maxlen = 0,
- .mode = 0600,
- .proc_handler = vmstat_refresh,
- },
-#endif
-#ifdef CONFIG_MMU
- {
- .procname = "mmap_min_addr",
- .data = &dac_mmap_min_addr,
- .maxlen = sizeof(unsigned long),
- .mode = 0644,
- .proc_handler = mmap_min_addr_handler,
- },
-#endif
-#if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \
- (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL))
- {
- .procname = "vdso_enabled",
-#ifdef CONFIG_X86_32
- .data = &vdso32_enabled,
- .maxlen = sizeof(vdso32_enabled),
-#else
- .data = &vdso_enabled,
- .maxlen = sizeof(vdso_enabled),
-#endif
- .mode = 0644,
- .proc_handler = proc_dointvec,
- .extra1 = SYSCTL_ZERO,
- },
-#endif
- {
- .procname = "user_reserve_kbytes",
- .data = &sysctl_user_reserve_kbytes,
- .maxlen = sizeof(sysctl_user_reserve_kbytes),
- .mode = 0644,
- .proc_handler = proc_doulongvec_minmax,
- },
- {
- .procname = "admin_reserve_kbytes",
- .data = &sysctl_admin_reserve_kbytes,
- .maxlen = sizeof(sysctl_admin_reserve_kbytes),
- .mode = 0644,
- .proc_handler = proc_doulongvec_minmax,
- },
-#ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS
- {
- .procname = "mmap_rnd_bits",
- .data = &mmap_rnd_bits,
- .maxlen = sizeof(mmap_rnd_bits),
- .mode = 0600,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&mmap_rnd_bits_min,
- .extra2 = (void *)&mmap_rnd_bits_max,
- },
-#endif
-#ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS
- {
- .procname = "mmap_rnd_compat_bits",
- .data = &mmap_rnd_compat_bits,
- .maxlen = sizeof(mmap_rnd_compat_bits),
- .mode = 0600,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&mmap_rnd_compat_bits_min,
- .extra2 = (void *)&mmap_rnd_compat_bits_max,
- },
-#endif
-};
-
int __init sysctl_init_bases(void)
{
register_sysctl_init("kernel", kern_table);
- register_sysctl_init("vm", vm_table);
return 0;
}
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