From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760918Ab3GSQv0 (ORCPT ); Fri, 19 Jul 2013 12:51:26 -0400 Received: from cantor2.suse.de ([195.135.220.15]:53494 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760687Ab3GSQvY (ORCPT ); Fri, 19 Jul 2013 12:51:24 -0400 From: Michal Hocko To: Andrew Morton Cc: Anton Vorontsov , Johannes Weiner , KAMEZAWA Hiroyuki , KOSAKI Motohiro , Tejun Heo , Li Zefan , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH resend 2/3] vmpressure: do not check for pending work to prevent from new work Date: Fri, 19 Jul 2013 18:51:10 +0200 Message-Id: <1374252671-11939-2-git-send-email-mhocko@suse.cz> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1374252671-11939-1-git-send-email-mhocko@suse.cz> References: <1374252671-11939-1-git-send-email-mhocko@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org because it is racy and it doesn't give us much anyway as schedule_work handles this case already. Brought-up-by: Tejun Heo Signed-off-by: Michal Hocko --- mm/vmpressure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmpressure.c b/mm/vmpressure.c index f4ee6a1..192f973 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -246,7 +246,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, scanned = vmpr->scanned; spin_unlock(&vmpr->sr_lock); - if (scanned < vmpressure_win || work_pending(&vmpr->work)) + if (scanned < vmpressure_win) return; schedule_work(&vmpr->work); } -- 1.8.3.2