From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id D60AF6B003D for ; Tue, 10 Mar 2009 20:19:36 -0400 (EDT) Received: from m6.gw.fujitsu.co.jp ([10.0.50.76]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id n2B0JYIM013547 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Wed, 11 Mar 2009 09:19:34 +0900 Received: from smail (m6 [127.0.0.1]) by outgoing.m6.gw.fujitsu.co.jp (Postfix) with ESMTP id 0D5CC45DE4F for ; Wed, 11 Mar 2009 09:19:34 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (s6.gw.fujitsu.co.jp [10.0.50.96]) by m6.gw.fujitsu.co.jp (Postfix) with ESMTP id E0A7445DD72 for ; Wed, 11 Mar 2009 09:19:33 +0900 (JST) Received: from s6.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id CCE9A1DB803E for ; Wed, 11 Mar 2009 09:19:33 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.249.87.104]) by s6.gw.fujitsu.co.jp (Postfix) with ESMTP id 82BFC1DB803F for ; Wed, 11 Mar 2009 09:19:33 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [Bug 12832] New: kernel leaks a lot of memory In-Reply-To: <20090310105523.3dfd4873@mjolnir.ossman.eu> References: <20090310081917.GA28968@localhost> <20090310105523.3dfd4873@mjolnir.ossman.eu> Message-Id: <20090311091738.8784.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 11 Mar 2009 09:19:32 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Pierre Ossman Cc: kosaki.motohiro@jp.fujitsu.com, Wu Fengguang , Andrew Morton , "bugme-daemon@bugzilla.kernel.org" , "linux-mm@kvack.org" List-ID: Hi > > Here is the initial patch and tool for finding the missing pages. > > > > In the following example, the pages with no flags set is kind of too > > many (1816MB), but hopefully your missing pages will have PG_reserved > > or other flags set ;-) > > > > # ./page-types > > L:locked E:error R:referenced U:uptodate D:dirty L:lru A:active S:slab W:writeback x:reclaim B:buddy r:reserved c:swapcache b:swapbacked > > > > Thanks. I'll have a look in a bit. Right now I'm very close to a > complete bisect. It is just ftrace commits left though, so I'm somewhat > sceptical that it is correct. ftrace isn't even turned on in the > kernels I've been testing. > > The remaining commits are ec1bb60bb..6712e299. Can you try to turn off CONFIG_FTRACE* build option? -- 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