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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8a68b244846..8686b0f5fc1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -23,6 +23,7 @@
#include <linux/swap.h>
#include <linux/slab.h>
#include <linux/sysctl.h>
+#include <linux/signal.h>
#include <linux/proc_fs.h>
#include <linux/security.h>
#include <linux/ctype.h>
@@ -50,6 +51,7 @@
#include <linux/ftrace.h>
#include <linux/slow-work.h>
#include <linux/perf_event.h>
+#include <linux/kprobes.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -59,13 +61,23 @@
#include <asm/stacktrace.h>
#include <asm/io.h>
#endif
+#ifdef CONFIG_BSD_PROCESS_ACCT
+#include <linux/acct.h>
+#endif
+#ifdef CONFIG_RT_MUTEXES
+#include <linux/rtmutex.h>
+#endif
+#if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+#include <linux/lockdep.h>
+#endif
+#ifdef CONFIG_CHR_DEV_SG
+#include <scsi/sg.h>
+#endif
#if defined(CONFIG_SYSCTL)
/* External variables not in a header file. */
-extern int C_A_D;
-extern int print_fatal_signals;
extern int sysctl_overcommit_memory;
extern int sysctl_overcommit_ratio;
extern int sysctl_panic_on_oom;
@@ -87,9 +99,6 @@ extern int sysctl_nr_open_min, sysctl_nr_open_max;
#ifndef CONFIG_MMU
extern int sysctl_nr_trim_pages;
#endif
-#ifdef CONFIG_RCU_TORTURE_TEST
-extern int rcutorture_runnable;
-#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
#ifdef CONFIG_BLOCK
extern int blk_iopoll_enabled;
#endif
@@ -119,14 +128,6 @@ static int min_percpu_pagelist_fract = 8;
static int ngroups_max = NGROUPS_MAX;
-#ifdef CONFIG_MODULES
-extern char modprobe_path[];
-extern int modules_disabled;
-#endif
-#ifdef CONFIG_CHR_DEV_SG
-extern int sg_big_buff;
-#endif
-
#ifdef CONFIG_SPARC
#include <asm/system.h>
#endif
@@ -148,10 +149,6 @@ extern int sysctl_userprocess_debug;
extern int spin_retry;
#endif
-#ifdef CONFIG_BSD_PROCESS_ACCT
-extern int acct_parm[];
-#endif
-
#ifdef CONFIG_IA64
extern int no_unaligned_warning;
extern int unaligned_dump_stack;
@@ -159,10 +156,6 @@ extern int unaligned_dump_stack;
extern struct ratelimit_state printk_ratelimit_state;
-#ifdef CONFIG_RT_MUTEXES
-extern int max_lock_depth;
-#endif
-
#ifdef CONFIG_PROC_SYSCTL
static int proc_do_cad_pid(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
@@ -201,9 +194,6 @@ extern struct ctl_table epoll_table[];
int sysctl_legacy_va_layout;
#endif
-extern int prove_locking;
-extern int lock_stat;
-
/* The default sysctl tables: */
static struct ctl_table root_table[] = {
@@ -1441,7 +1431,7 @@ static struct ctl_table fs_table[] = {
};
static struct ctl_table debug_table[] = {
-#if defined(CONFIG_X86) || defined(CONFIG_PPC)
+#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC)
{
.procname = "exception-trace",
.data = &show_unhandled_signals,
@@ -1450,6 +1440,17 @@ static struct ctl_table debug_table[] = {
.proc_handler = proc_dointvec
},
#endif
+#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
{ }
};