SLAB_NO_OBJ_EXT is set for boot caches, but need_slab_obj_exts() doesn't check this flag. We should return false unconditionally when SLAB_NO_OBJ_EXT is set. Signed-off-by: Hao Li --- mm/slub.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/slub.c b/mm/slub.c index 865047eaf02b..3b1402e1c39d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -901,6 +901,9 @@ static inline unsigned long get_orig_size(struct kmem_cache *s, void *object) */ static inline bool need_slab_obj_exts(struct kmem_cache *s) { + if (s->flags & SLAB_NO_OBJ_EXT) + return false; + if (memcg_kmem_online() && (s->flags & SLAB_ACCOUNT)) return true; -- 2.50.1