From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757702Ab2IZRSs (ORCPT ); Wed, 26 Sep 2012 13:18:48 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:10407 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1757661Ab2IZRSq (ORCPT ); Wed, 26 Sep 2012 13:18:46 -0400 X-IronPort-AV: E=Sophos;i="4.80,492,1344182400"; d="scan'208";a="5922254" From: Lai Jiangshan To: Tejun Heo , linux-kernel@vger.kernel.org Cc: Lai Jiangshan Subject: [RFC PATCH 11/12] workqueue: add WQ_CPU_INTENSIVE to system_long_wq Date: Thu, 27 Sep 2012 01:20:42 +0800 Message-Id: <1348680043-5077-12-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1348680043-5077-1-git-send-email-laijs@cn.fujitsu.com> References: <1348680043-5077-1-git-send-email-laijs@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/27 01:18:46, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/09/27 01:18:46, Serialize complete at 2012/09/27 01:18:46 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org works in system_long_wq will be running long. add WQ_CPU_INTENSIVE to system_long_wq to avoid these kinds of works occupy the running wokers which delay the normal works. if system_long_wq is designed for only sleep-long works, not running-long works, this patch makes no sense. Signed-off-by: Lai Jiangshan --- kernel/workqueue.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 89fd1b2..ccb1d60 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3850,7 +3850,7 @@ static int __init init_workqueues(void) system_wq = alloc_workqueue("events", 0, 0); system_highpri_wq = alloc_workqueue("events_highpri", WQ_HIGHPRI, 0); - system_long_wq = alloc_workqueue("events_long", 0, 0); + system_long_wq = alloc_workqueue("events_long", WQ_CPU_INTENSIVE, 0); system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE); system_freezable_wq = alloc_workqueue("events_freezable", -- 1.7.7.6