From: Miles Chen <miles.c...@mediatek.com> The commit d6e0b7fa1186 ("slub: make dead caches discard free slabs immediately") makes put_cpu_partial() run with preemption disabled and interrupts disabled when calling unfreeze_partials().
The comment: "put_cpu_partial() is done without interrupts disabled and without preemption disabled" looks obsolete, so remove it. Signed-off-by: Miles Chen <miles.c...@mediatek.com> --- mm/slub.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index cfd56e5a35fb..70447d39de90 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2220,9 +2220,7 @@ static void unfreeze_partials(struct kmem_cache *s, /* * Put a page that was just frozen (in __slab_free) into a partial page - * slot if available. This is done without interrupts disabled and without - * preemption disabled. The cmpxchg is racy and may put the partial page - * onto a random cpus partial slot. + * slot if available. * * If we did not find a slot then simply move all the partials to the * per node partial list. -- 2.12.5