Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760299AbZF2Pzw (ORCPT ); Mon, 29 Jun 2009 11:55:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757683AbZF2Pzf (ORCPT ); Mon, 29 Jun 2009 11:55:35 -0400 Received: from mx2.redhat.com ([66.187.237.31]:42700 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751515AbZF2Pze (ORCPT ); Mon, 29 Jun 2009 11:55:34 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20090629151417.GA29796@localhost> References: <20090629151417.GA29796@localhost> <28c262360906280630n557bb182n5079e33d21ea4a83@mail.gmail.com> <28c262360906280636l93130ffk14086314e2a6dcb7@mail.gmail.com> <20090628142239.GA20986@localhost> <2f11576a0906280801w417d1b9fpe10585b7a641d41b@mail.gmail.com> <20090628151026.GB25076@localhost> <20090629091741.ab815ae7.minchan.kim@barrios-desktop> <17678.1246270219@redhat.com> <20090629125549.GA22932@localhost> <29432.1246285300@redhat.com> <28c262360906290800v37f91d7av3642b1ad8b5f0477@mail.gmail.com> To: Wu Fengguang Cc: dhowells@redhat.com, Minchan Kim , Mel Gorman , KOSAKI Motohiro , Johannes Weiner , "riel@redhat.com" , Andrew Morton , LKML , Christoph Lameter , "peterz@infradead.org" , "tytso@mit.edu" , "linux-mm@kvack.org" , "elladan@eskimo.com" , "npiggin@suse.de" , "Barnes, Jesse" , dwmw2@infradead.org Subject: Re: Found the commit that causes the OOMs Date: Mon, 29 Jun 2009 16:54:45 +0100 Message-ID: <30071.1246290885@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 715 Lines: 19 Wu Fengguang wrote: > Yes this time the OOM order/flags are much different from all previous OOMs. > > btw, I found that msgctl11 is pretty good at making a lot of SUnreclaim and > PageTables pages: I got David Woodhouse to run this on one of this boxes, but he doesn't see the problem, I think because he's got 4GB of RAM, and never comes close to running out. I've asked him to reboot with mem=1G to see if that helps reproduce it. David -- 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/