Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753196AbZIIMhe (ORCPT ); Wed, 9 Sep 2009 08:37:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752304AbZIIMhe (ORCPT ); Wed, 9 Sep 2009 08:37:34 -0400 Received: from smtp.nokia.com ([192.100.122.233]:47119 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751542AbZIIMhd (ORCPT ); Wed, 9 Sep 2009 08:37:33 -0400 Message-ID: <4AA7A134.100@gmail.com> Date: Wed, 09 Sep 2009 15:36:04 +0300 From: Artem Bityutskiy User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Wu Fengguang CC: Christoph Hellwig , Chris Mason , Peter Zijlstra , Jens Axboe , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "david@fromorbit.com" , "akpm@linux-foundation.org" , "jack@suse.cz" , "Theodore Ts'o" Subject: Re: [PATCH 8/8] vm: Add an tuning knob for vm.max_writeback_mb References: <1252401791-22463-1-git-send-email-jens.axboe@oracle.com> <1252401791-22463-9-git-send-email-jens.axboe@oracle.com> <4AA633FD.3080006@gmail.com> <1252425983.7746.120.camel@twins> <20090908162936.GA2975@think> <20090909092901.GA24185@localhost> <20090909122805.GA30238@infradead.org> <20090909123223.GB23006@localhost> In-Reply-To: <20090909123223.GB23006@localhost> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-OriginalArrivalTime: 09 Sep 2009 12:36:20.0788 (UTC) FILETIME=[22653740:01CA314A] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1016 Lines: 24 On 09/09/2009 03:32 PM, Wu Fengguang wrote: > On Wed, Sep 09, 2009 at 08:28:06PM +0800, Christoph Hellwig wrote: >> On Wed, Sep 09, 2009 at 05:29:01PM +0800, Wu Fengguang wrote: >>> It seems that balance_dirty_pages() is not coupled with MAX_WRITEBACK_PAGES. >>> Instead it uses the much smaller (ratelimit_pages + ratelimit_pages / 2). >> >> With Jen's writeback patches applied balance_dirty_pages does not start >> writeback itself anymore but calls bdi_start_writeback to let the >> flusher thread do it. >> >> it would be good if we do any writeback tuning ontop of these patches.. > > Ah OK. I'm using latest linux-next and expected his patches to be there.. At least few days ago they were there. -- Best Regards, Artem Bityutskiy (Артём Битюцкий) -- 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/