From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757279Ab2HNSLw (ORCPT ); Tue, 14 Aug 2012 14:11:52 -0400 Received: from mail-gg0-f174.google.com ([209.85.161.174]:51602 "EHLO mail-gg0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757242Ab2HNSLs (ORCPT ); Tue, 14 Aug 2012 14:11:48 -0400 From: Joonsoo Kim To: Tejun Heo Cc: linux-kernel@vger.kernel.org, Joonsoo Kim Subject: [PATCH v2 6/6] workqueue: use system_highpri_wq for unbind_work Date: Wed, 15 Aug 2012 03:10:16 +0900 Message-Id: <1344967816-1136-7-git-send-email-js1304@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344967816-1136-1-git-send-email-js1304@gmail.com> References: <1344967816-1136-1-git-send-email-js1304@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To speed cpu down processing up, use system_highpri_wq. As scheduling priority of workers on it is higher than system_wq and it is not contended by other normal works on this cpu, work on it is processed faster than system_wq. Signed-off-by: Joonsoo Kim diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 4c5733c1..fa5ec4c 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3671,7 +3671,7 @@ static int __devinit workqueue_cpu_down_callback(struct notifier_block *nfb, case CPU_DOWN_PREPARE: /* unbinding should happen on the local CPU */ INIT_WORK_ONSTACK(&unbind_work, gcwq_unbind_fn); - schedule_work_on(cpu, &unbind_work); + queue_work_on(cpu, system_highpri_wq, &unbind_work); flush_work(&unbind_work); break; } -- 1.7.9.5