diff --git a/mm/slub.c b/mm/slub.c
index b7d3664..d7c044d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2449,7 +2449,8 @@
 	struct page *page;
 	struct kmem_cache *s;
 
-	if (unlikely(ZERO_OR_NULL_PTR(object)))
+	BUG_ON(!object);
+	if (unlikely(object == ZERO_SIZE_PTR))
 		return 0;
 
 	page = get_object_page(object);