From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id E69EE8D0040 for ; Mon, 28 Mar 2011 22:55:14 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 1CB793EE0B5 for ; Tue, 29 Mar 2011 11:55:05 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 031B345DE96 for ; Tue, 29 Mar 2011 11:55:05 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id E12C245DE95 for ; Tue, 29 Mar 2011 11:55:04 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id D5892E18001 for ; Tue, 29 Mar 2011 11:55:04 +0900 (JST) Received: from m106.s.css.fujitsu.com (m106.s.css.fujitsu.com [10.240.81.146]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id A240AE08001 for ; Tue, 29 Mar 2011 11:55:04 +0900 (JST) From: KOSAKI Motohiro Subject: Re: Very aggressive memory reclaim 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 Date: Tue, 29 Mar 2011 11:55:03 +0900 (JST) Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: kosaki.motohiro@jp.fujitsu.com, Dave Chinner , John Lepikhin , linux-kernel@vger.kernel.org, xfs@oss.sgi.com, linux-mm@kvack.org > 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, 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