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slub: let need_slab_obj_exts() return false if SLAB_NO_OBJ_EXT is set

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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 <hao.li@linux.dev>
Acked-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20260205120709.425719-1-hao.li@linux.dev
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Hao Li
2026-02-05 20:07:23 +08:00
committed by Vlastimil Babka
parent 2f35fee943
commit 98e99fc4ad
1 changed files with 3 additions and 0 deletions
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3
mm/slub.c
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@@ -898,6 +898,9 @@ 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;