From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751679AbeAZMJT (ORCPT ); Fri, 26 Jan 2018 07:09:19 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:55001 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751444AbeAZMJS (ORCPT ); Fri, 26 Jan 2018 07:09:18 -0500 X-UUID: b062c43c51d048f890565825a127661d-20180126 From: To: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton CC: , , , , Miles Chen Subject: [PATCH] slub: remove obsolete comments of put_cpu_partial() Date: Fri, 26 Jan 2018 20:09:10 +0800 Message-ID: <1516968550-1520-1-git-send-email-miles.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Miles Chen 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 --- 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