diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index f6548083fe0fbd2e1b8bbc61c6c2aab0a53ed42e..9bb761324a9c71b409081291517ec3de87e59df5 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -110,7 +110,8 @@ struct kmem_cache {
 #endif
 #ifdef CONFIG_MEMCG
 	struct memcg_cache_params memcg_params;
-	int max_attr_size; /* for propagation, maximum size of a stored attr */
+	/* for propagation, maximum size of a stored attr */
+	unsigned int max_attr_size;
 #ifdef CONFIG_SYSFS
 	struct kset *memcg_kset;
 #endif