Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755276Ab1C2CzH (ORCPT ); Mon, 28 Mar 2011 22:55:07 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:41691 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752938Ab1C2CzF (ORCPT ); Mon, 28 Mar 2011 22:55:05 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: Minchan Kim Subject: Re: Very aggressive memory reclaim Cc: kosaki.motohiro@jp.fujitsu.com, Dave Chinner , John Lepikhin , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, linux-mm@kvack.org In-Reply-To: References: <20110328215344.GC3008@dastard> Message-Id: <20110329115546.C08C.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Mailer: Becky! ver. 2.56.05 [ja] Date: Tue, 29 Mar 2011 11:55:03 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 802 Lines: 23 > Recently, We had a similar issue. > http://www.spinics.net/lists/linux-mm/msg12243.html > But it seems to not merge. I don't know why since I didn't follow up the thread. > Maybe Cced guys can help you. > > Is it a sudden big cache drop at the moment or accumulated small cache > drop for long time? > What's your zones' size? > > Please attach the result of cat /proc/zoneinfo for others. If my remember is correct, 2.6.38 is included Mel's anti agressive reclaim patch. And original report seems to be using 2.6.37.x. John, can you try 2.6.38? -- 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/