1 files changed, 17 insertions, 0 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 47e98423b30d..cf913bdd433e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2005,6 +2005,7 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat,
 #ifdef CONFIG_NUMA
                 zone->min_unmapped_pages = (realsize*sysctl_min_unmapped_ratio)
                                                 / 100;
+                zone->min_slab_pages = (realsize * sysctl_min_slab_ratio) / 100;
 #endif
                 zone->name = zone_names[j];
                 spin_lock_init(&zone->lock);
@@ -2318,6 +2319,22 @@ int sysctl_min_unmapped_ratio_sysctl_handler(ctl_table *table, int write,
                                 sysctl_min_unmapped_ratio) / 100;
         return 0;
 }
+
+int sysctl_min_slab_ratio_sysctl_handler(ctl_table *table, int write,
+        struct file *file, void __user *buffer, size_t *length, loff_t *ppos)
+{
+        struct zone *zone;
+        int rc;
+
+        rc = proc_dointvec_minmax(table, write, file, buffer, length, ppos);
+        if (rc)
+                return rc;
+
+        for_each_zone(zone)
+                zone->min_slab_pages = (zone->present_pages *
+                                sysctl_min_slab_ratio) / 100;
+        return 0;
+}
 #endif
 
 /*