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/R0pxR+bJOZnZ9QU+/ZESrwW2RypXDb8sjUMMdmJ527XpLaMIwIFMMQxYd6eeAtqqtHgi5ccZvjG6rKuEbN6y4Q4O1y9DgFheAk6SNTxNUFNLSFAMcqHpijFmHJ9DMUj6X18T X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Feb 05, 2026 at 08:07:23PM +0800, Hao Li wrote: > 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 > --- Looks reasonable to me, Acked-by: Harry Yoo Thanks! > 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; > -- Cheers, Harry / Hyeonggon