diff --git a/[refs] b/[refs]
index 8d1b76ba7087..a8a990f72b2f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f3d8b53a3abbfd0b74fa5dfaa690870d9619fad9
+refs/heads/master: ddbf2e8366f2a7fa3419be418cfd83a914d2527f
diff --git a/trunk/mm/slab.c b/trunk/mm/slab.c
index 4e61449d7946..66e90477a4bb 100644
--- a/trunk/mm/slab.c
+++ b/trunk/mm/slab.c
@@ -3103,6 +3103,11 @@ static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
 	} else {
 		STATS_INC_ALLOCMISS(cachep);
 		objp = cache_alloc_refill(cachep, flags);
+		/*
+		 * the 'ac' may be updated by cache_alloc_refill(),
+		 * and kmemleak_erase() requires its correct value.
+		 */
+		ac = cpu_cache_get(cachep);
 	}
 	/*
 	 * To avoid a false negative, if an object that is in one of the