Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752149AbbEYJoZ (ORCPT ); Mon, 25 May 2015 05:44:25 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:9485 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750923AbbEYJoX (ORCPT ); Mon, 25 May 2015 05:44:23 -0400 X-IronPort-AV: E=Sophos;i="5.01,1,1399996800"; d="scan'208";a="95797950" Message-ID: <5562EFA5.2030706@cn.fujitsu.com> Date: Mon, 25 May 2015 17:47:17 +0800 From: Lai Jiangshan User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: CC: Tejun Heo Subject: Re: [PATCH 4/7 V2] workqueue: reuse the current per-node pwq when its attrs unchanged References: <1431433955-3173-1-git-send-email-laijs@cn.fujitsu.com> <1431433955-3173-5-git-send-email-laijs@cn.fujitsu.com> In-Reply-To: <1431433955-3173-5-git-send-email-laijs@cn.fujitsu.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.167.226.103] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 479 Lines: 14 Hi, TJ The patch 4/5/6 does reduce cpu and temporary-memory usage sometimes. But it is in slow path where small optimization is commonly unwelcome at. Do I need to refactor the patches? I'm in doubt for the necessary. Thanks, Lai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/