diff --git a/mm/util.c b/mm/util.c
index 03f39b3b1..ba983f6bf 100755
--- a/mm/util.c
+++ b/mm/util.c
@@ -845,7 +845,7 @@ int __page_mapcount(struct page *page)
 EXPORT_SYMBOL_GPL(__page_mapcount);
 
 int sysctl_overcommit_memory __read_mostly = OVERCOMMIT_GUESS;
-int sysctl_overcommit_ratio __read_mostly = 50;
+int sysctl_overcommit_ratio __read_mostly = 100;
 unsigned long sysctl_overcommit_kbytes __read_mostly;
 int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
 unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */