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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8dcf6fd5b0f9..03b0598f2369 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -69,6 +69,7 @@ extern int printk_ratelimit_jiffies;
extern int printk_ratelimit_burst;
extern int pid_max_min, pid_max_max;
extern int sysctl_drop_caches;
+extern int percpu_pagelist_fraction;
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)
int unknown_nmi_panic;
@@ -79,6 +80,7 @@ extern int proc_unknown_nmi_panic(ctl_table *, int, struct file *,
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static int maxolduid = 65535;
static int minolduid;
+static int min_percpu_pagelist_fract = 8;
static int ngroups_max = NGROUPS_MAX;
@@ -794,6 +796,16 @@ static ctl_table vm_table[] = {
.strategy = &sysctl_intvec,
.extra1 = &zero,
},
+ {
+ .ctl_name = VM_PERCPU_PAGELIST_FRACTION,
+ .procname = "percpu_pagelist_fraction",
+ .data = &percpu_pagelist_fraction,
+ .maxlen = sizeof(percpu_pagelist_fraction),
+ .mode = 0644,
+ .proc_handler = &percpu_pagelist_fraction_sysctl_handler,
+ .strategy = &sysctl_intvec,
+ .extra1 = &min_percpu_pagelist_fract,
+ },
#ifdef CONFIG_MMU
{
.ctl_name = VM_MAX_MAP_COUNT,