From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754920AbZERDeT (ORCPT ); Sun, 17 May 2009 23:34:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751580AbZERDeE (ORCPT ); Sun, 17 May 2009 23:34:04 -0400 Received: from mga03.intel.com ([143.182.124.21]:27224 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751422AbZERDeE (ORCPT ); Sun, 17 May 2009 23:34:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.41,208,1241420400"; d="scan'208";a="143890173" Date: Mon, 18 May 2009 11:33:37 +0800 From: Wu Fengguang To: KOSAKI Motohiro Cc: LKML , linux-mm , Andrew Morton , Rik van Riel , Christoph Lameter Subject: Re: [PATCH 2/4] vmscan: drop PF_SWAPWRITE from zone_reclaim Message-ID: <20090518033337.GD5869@localhost> References: <20090513120155.5879.A69D9226@jp.fujitsu.com> <20090513120627.587F.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090513120627.587F.A69D9226@jp.fujitsu.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 13, 2009 at 12:06:51PM +0900, KOSAKI Motohiro wrote: > Subject: [PATCH] vmscan: drop PF_SWAPWRITE from zone_reclaim > > PF_SWAPWRITE mean ignore write congestion. (see may_write_to_queue()) > > foreground reclaim shouldn't ignore it because to write congested device cause > large IO lantency. > it isn't better than remote node allocation. Acked-by: Wu Fengguang