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-rw-r--r--include/linux/mmzone.h3
-rw-r--r--include/linux/swap.h1
-rw-r--r--include/linux/sysctl.h1
3 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 08c41b9f92e..3693f1a5278 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -171,6 +171,7 @@ struct zone {
* zone reclaim becomes active if more unmapped pages exist.
*/
unsigned long min_unmapped_pages;
+ unsigned long min_slab_pages;
struct per_cpu_pageset *pageset[NR_CPUS];
#else
struct per_cpu_pageset pageset[NR_CPUS];
@@ -448,6 +449,8 @@ int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int, struct file
void __user *, size_t *, loff_t *);
int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int,
struct file *, void __user *, size_t *, loff_t *);
+int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int,
+ struct file *, void __user *, size_t *, loff_t *);
#include <linux/topology.h>
/* Returns the number of the current Node. */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 32db06c8ffe..a2f5ad7c2d2 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -193,6 +193,7 @@ extern long vm_total_pages;
#ifdef CONFIG_NUMA
extern int zone_reclaim_mode;
extern int sysctl_min_unmapped_ratio;
+extern int sysctl_min_slab_ratio;
extern int zone_reclaim(struct zone *, gfp_t, unsigned int);
#else
#define zone_reclaim_mode 0
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 736ed917a4f..eca555781d0 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -191,6 +191,7 @@ enum
VM_MIN_UNMAPPED=32, /* Set min percent of unmapped pages */
VM_PANIC_ON_OOM=33, /* panic at out-of-memory */
VM_VDSO_ENABLED=34, /* map VDSO into new processes? */
+ VM_MIN_SLAB=35, /* Percent pages ignored by zone reclaim */
};