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-rw-r--r--mm/page_alloc.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 47e9842..cf913bd 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
/*
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