From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id D66B16B02A7 for ; Thu, 5 Aug 2010 04:09:45 -0400 (EDT) Date: Thu, 5 Aug 2010 10:09:53 +0200 From: Andreas Mohr 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> Sender: owner-linux-mm@kvack.org 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 List-ID: 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, 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/ . Don't email: email@kvack.org