diff --git a/[refs] b/[refs]
index 7cc70146d93d..6e87c1964893 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 213eeb9fd9d66c33109e2ace242df214dc3a653d
+refs/heads/master: 74ee4ef1f901fbb014bdcdc9171d126490ce2b62
diff --git a/trunk/mm/slub.c b/trunk/mm/slub.c
index 6dc79f8e6ce9..a47df0aa5d36 100644
--- a/trunk/mm/slub.c
+++ b/trunk/mm/slub.c
@@ -4649,6 +4649,8 @@ static ssize_t cpu_partial_store(struct kmem_cache *s, const char *buf,
 	err = strict_strtoul(buf, 10, &objects);
 	if (err)
 		return err;
+	if (objects && kmem_cache_debug(s))
+		return -EINVAL;
 
 	s->cpu_partial = objects;
 	flush_all(s);