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authorMarcelo Tosatti <mtosatti@redhat.com>2013-03-04 20:10:32 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2013-03-04 20:10:32 -0300
commitee2c25efdd46d7ed5605d6fe877bdf4b47a4ab2e (patch)
tree35890281e93e667a8e262d76ef250025eb30a8c1 /kernel/sysctl.c
parent3ab66e8a455a4877889c65a848f2fb32be502f2c (diff)
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
Merge branch 'master' into queue
* master: (15791 commits) Linux 3.9-rc1 btrfs/raid56: Add missing #include <linux/vmalloc.h> fix compat_sys_rt_sigprocmask() SUNRPC: One line comment fix ext4: enable quotas before orphan cleanup ext4: don't allow quota mount options when quota feature enabled ext4: fix a warning from sparse check for ext4_dir_llseek ext4: convert number of blocks to clusters properly ext4: fix possible memory leak in ext4_remount() jbd2: fix ERR_PTR dereference in jbd2__journal_start metag: Provide dma_get_sgtable() metag: prom.h: remove declaration of metag_dt_memblock_reserve() metag: copy devicetree to non-init memory metag: cleanup metag_ksyms.c includes metag: move mm/init.c exports out of metag_ksyms.c metag: move usercopy.c exports out of metag_ksyms.c metag: move setup.c exports out of metag_ksyms.c metag: move kick.c exports out of metag_ksyms.c metag: move traps.c exports out of metag_ksyms.c metag: move irq enable out of irqflags.h on SMP ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Conflicts: arch/x86/kernel/kvmclock.c
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c72
1 files changed, 65 insertions, 7 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 33f71f37267e..afc1dc60f3f8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -61,6 +61,7 @@
#include <linux/kmod.h>
#include <linux/capability.h>
#include <linux/binfmts.h>
+#include <linux/sched/sysctl.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -104,7 +105,6 @@ extern char core_pattern[];
extern unsigned int core_pipe_limit;
#endif
extern int pid_max;
-extern int min_free_kbytes;
extern int pid_max_min, pid_max_max;
extern int sysctl_drop_caches;
extern int percpu_pagelist_fraction;
@@ -157,14 +157,20 @@ extern int sysctl_tsb_ratio;
#ifdef __hppa__
extern int pwrsw_enabled;
+#endif
+
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW
extern int unaligned_enabled;
#endif
#ifdef CONFIG_IA64
-extern int no_unaligned_warning;
extern int unaligned_dump_stack;
#endif
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
+extern int no_unaligned_warning;
+#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);
@@ -256,9 +262,11 @@ 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 */
+#ifdef CONFIG_SMP
static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
-#endif
+#endif /* CONFIG_SMP */
+#endif /* CONFIG_SCHED_DEBUG */
#ifdef CONFIG_COMPACTION
static int min_extfrag_threshold;
@@ -301,6 +309,7 @@ static struct ctl_table kern_table[] = {
.extra1 = &min_wakeup_granularity_ns,
.extra2 = &max_wakeup_granularity_ns,
},
+#ifdef CONFIG_SMP
{
.procname = "sched_tunable_scaling",
.data = &sysctl_sched_tunable_scaling,
@@ -347,7 +356,45 @@ static struct ctl_table kern_table[] = {
.extra1 = &zero,
.extra2 = &one,
},
-#endif
+#endif /* CONFIG_SMP */
+#ifdef CONFIG_NUMA_BALANCING
+ {
+ .procname = "numa_balancing_scan_delay_ms",
+ .data = &sysctl_numa_balancing_scan_delay,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "numa_balancing_scan_period_min_ms",
+ .data = &sysctl_numa_balancing_scan_period_min,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "numa_balancing_scan_period_reset",
+ .data = &sysctl_numa_balancing_scan_period_reset,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "numa_balancing_scan_period_max_ms",
+ .data = &sysctl_numa_balancing_scan_period_max,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "numa_balancing_scan_size_mb",
+ .data = &sysctl_numa_balancing_scan_size,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+#endif /* CONFIG_NUMA_BALANCING */
+#endif /* CONFIG_SCHED_DEBUG */
{
.procname = "sched_rt_period_us",
.data = &sysctl_sched_rt_period,
@@ -362,6 +409,13 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = sched_rt_handler,
},
+ {
+ .procname = "sched_rr_timeslice_ms",
+ .data = &sched_rr_timeslice,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = sched_rr_handler,
+ },
#ifdef CONFIG_SCHED_AUTOGROUP
{
.procname = "sched_autogroup_enabled",
@@ -504,6 +558,8 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+#endif
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW
{
.procname = "unaligned-trap",
.data = &unaligned_enabled,
@@ -870,7 +926,7 @@ static struct ctl_table kern_table[] = {
.proc_handler = proc_doulongvec_minmax,
},
#endif
-#ifdef CONFIG_IA64
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
{
.procname = "ignore-unaligned-usertrap",
.data = &no_unaligned_warning,
@@ -878,6 +934,8 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+#endif
+#ifdef CONFIG_IA64
{
.procname = "unaligned-dump-stack",
.data = &unaligned_dump_stack,
@@ -1965,7 +2023,7 @@ static int proc_taint(struct ctl_table *table, int write,
int i;
for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) {
if ((tmptaint >> i) & 1)
- add_taint(i);
+ add_taint(i, LOCKDEP_STILL_OK);
}
}
@@ -2042,7 +2100,7 @@ int proc_dointvec_minmax(struct ctl_table *table, int write,
static void validate_coredump_safety(void)
{
#ifdef CONFIG_COREDUMP
- if (suid_dumpable == SUID_DUMPABLE_SAFE &&
+ if (suid_dumpable == SUID_DUMP_ROOT &&
core_pattern[0] != '/' && core_pattern[0] != '|') {
printk(KERN_WARNING "Unsafe core_pattern used with "\
"suid_dumpable=2. Pipe handler or fully qualified "\