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charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/11/26 02:11, Tiezhu Yang wrote: > In __kmalloc_nolock_noprof(), update the comment from x86-specific > "cmpxchg16b" to generic "double-width atomic cmpxchg". > > Suggested-by: Harry Yoo > Signed-off-by: Tiezhu Yang Acked-by: Vlastimil Babka (SUSE) > --- > v3: > - add missing Suggested-by tag for Harry > - use shorter commit message as requested > > mm/slub.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/slub.c b/mm/slub.c > index 45e077c7526c..090302f1daeb 100644 > --- a/mm/slub.c > +++ b/mm/slub.c > @@ -5589,8 +5589,8 @@ static void *__kmalloc_nolock_noprof(DECL_TOKEN_PARAMS(size, token), gfp_t gfp_f > if (!(s->flags & __CMPXCHG_DOUBLE) && !kmem_cache_debug(s)) > /* > * kmalloc_nolock() is not supported on architectures that > - * don't implement cmpxchg16b and thus need slab_lock() > - * which could be preempted by a nmi. > + * don't implement double-width atomic cmpxchg and thus need > + * slab_lock() which could be preempted by a nmi. > * But debug caches don't use that and only rely on > * kmem_cache_node->list_lock, so kmalloc_nolock() can attempt > * to allocate from debug caches by