From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754393Ab1HZNYv (ORCPT ); Fri, 26 Aug 2011 09:24:51 -0400 Received: from mga03.intel.com ([143.182.124.21]:2981 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751442Ab1HZNYt (ORCPT ); Fri, 26 Aug 2011 09:24:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.68,285,1312182000"; d="scan'208";a="42727962" Date: Fri, 26 Aug 2011 21:24:45 +0800 From: Wu Fengguang To: Peter Zijlstra Cc: Vivek Goyal , "linux-fsdevel@vger.kernel.org" , Andrew Morton , Jan Kara , Christoph Hellwig , Dave Chinner , Greg Thelen , Minchan Kim , Andrea Righi , linux-mm , LKML Subject: Re: [PATCH 2/5] writeback: dirty position control Message-ID: <20110826132445.GA8219@localhost> References: <20110824001257.GA6349@localhost> <1314202378.6925.48.camel@twins> <20110826001846.GA6118@localhost> <1314349469.26922.24.camel@twins> <20110826100428.GA7996@localhost> <20110826112637.GA17785@localhost> <1314360710.11049.1.camel@twins> <20110826122057.GA32711@localhost> <20110826131341.GA7114@localhost> <1314364701.12445.0.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1314364701.12445.0.camel@twins> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 26, 2011 at 09:18:21PM +0800, Peter Zijlstra wrote: > On Fri, 2011-08-26 at 21:13 +0800, Wu Fengguang wrote: > > We got similar result as in the read disturber case, even though one > > disturbs N and the other impacts writeout bandwith. The original > > patchset is consistently performing much better :) > > It does indeed, and I figure on these timescales it makes sense to > assumes N is a constant. Fair enough, thanks! Thank you! Glad that we finally reaches some consensus :) Thanks, Fengguang From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wu Fengguang Subject: Re: [PATCH 2/5] writeback: dirty position control Date: Fri, 26 Aug 2011 21:24:45 +0800 Message-ID: <20110826132445.GA8219@localhost> References: <20110824001257.GA6349@localhost> <1314202378.6925.48.camel@twins> <20110826001846.GA6118@localhost> <1314349469.26922.24.camel@twins> <20110826100428.GA7996@localhost> <20110826112637.GA17785@localhost> <1314360710.11049.1.camel@twins> <20110826122057.GA32711@localhost> <20110826131341.GA7114@localhost> <1314364701.12445.0.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Vivek Goyal , "linux-fsdevel@vger.kernel.org" , Andrew Morton , Jan Kara , Christoph Hellwig , Dave Chinner , Greg Thelen , Minchan Kim , Andrea Righi , linux-mm , LKML To: Peter Zijlstra Return-path: Content-Disposition: inline In-Reply-To: <1314364701.12445.0.camel@twins> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Fri, Aug 26, 2011 at 09:18:21PM +0800, Peter Zijlstra wrote: > On Fri, 2011-08-26 at 21:13 +0800, Wu Fengguang wrote: > > We got similar result as in the read disturber case, even though one > > disturbs N and the other impacts writeout bandwith. The original > > patchset is consistently performing much better :) > > It does indeed, and I figure on these timescales it makes sense to > assumes N is a constant. Fair enough, thanks! Thank you! Glad that we finally reaches some consensus :) Thanks, Fengguang -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org