diff --git a/[refs] b/[refs]
index f0818a2f52e6..5ed339450fdd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a5c96d8a1c67f31ef48935a78da2d2076513842b
+refs/heads/master: 9550b105b8646f916862aee3ab7b25020ca14159
diff --git a/trunk/mm/slub.c b/trunk/mm/slub.c
index 52a4f44be394..322f3a5d72c7 100644
--- a/trunk/mm/slub.c
+++ b/trunk/mm/slub.c
@@ -2394,7 +2394,7 @@ size_t ksize(const void *object)
 	struct page *page;
 	struct kmem_cache *s;
 
-	if (object == ZERO_SIZE_PTR)
+	if (ZERO_OR_NULL_PTR(object))
 		return 0;
 
 	page = get_object_page(object);