Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759949Ab0HEITY (ORCPT ); Thu, 5 Aug 2010 04:19:24 -0400 Received: from rhlx01.hs-esslingen.de ([129.143.116.10]:52770 "EHLO rhlx01.hs-esslingen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754858Ab0HEITT (ORCPT ); Thu, 5 Aug 2010 04:19:19 -0400 X-Greylist: delayed 564 seconds by postgrey-1.27 at vger.kernel.org; Thu, 05 Aug 2010 04:19:19 EDT Date: Thu, 5 Aug 2010 10:09:53 +0200 From: Andreas Mohr To: KOSAKI Motohiro Cc: Mel Gorman , Wu Fengguang , Andrew Morton , stable@kernel.org, Rik van Riel , Christoph Hellwig , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , Dave Chinner , Chris Mason , Nick Piggin , Johannes Weiner , KAMEZAWA Hiroyuki , Andrea Arcangeli , Minchan Kim , Andreas Mohr , Bill Davidsen , Ben Gamari Subject: Re: Why PAGEOUT_IO_SYNC stalls for a long time Message-ID: <20100805080953.GA3366@rhlx01.hs-esslingen.de> References: <20100801174229.4B08.A69D9226@jp.fujitsu.com> <20100804111005.GA17745@csn.ul.ie> <20100805151630.31CF.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100805151630.31CF.A69D9226@jp.fujitsu.com> X-Priority: none 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 Content-Length: 760 Lines: 19 On Thu, Aug 05, 2010 at 03:20:44PM +0900, KOSAKI Motohiro wrote: > Yup, I posted them today. While my lite testing, they works intentionally. it mean > - reduce low order reclaim latency > - keep high successfull rate order-9 reclaim under heavy io workload > > However, they obviously need more test. comment are welcome :) Thanks a lot! I've been following recent discussions, however testing is planned to be done in nearer future since I'm currently "recovering" from large backlog (Thesis). Andreas Mohr -- 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/