From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f42.google.com (mail-pa0-f42.google.com [209.85.220.42]) by kanga.kvack.org (Postfix) with ESMTP id 17B126B00A3 for ; Wed, 13 Nov 2013 07:36:06 -0500 (EST) Received: by mail-pa0-f42.google.com with SMTP id kp14so371543pab.1 for ; Wed, 13 Nov 2013 04:36:05 -0800 (PST) Received: from psmtp.com ([74.125.245.155]) by mx.google.com with SMTP id iy4si3399303pbb.120.2013.11.13.04.36.03 for ; Wed, 13 Nov 2013 04:36:04 -0800 (PST) Message-ID: <52837216.1090100@elastichosts.com> Date: Wed, 13 Nov 2013 12:35:34 +0000 From: Alin Dobre MIME-Version: 1.0 Subject: Re: Unnecessary mass OOM kills on Linux 3.11 virtualization host References: <20131024224326.GA19654@alpha.arachsys.com> <20131025103946.GA30649@alpha.arachsys.com> <20131028082825.GA30504@alpha.arachsys.com> <52836002.5050901@elastichosts.com> <20131113120948.GE2834@moon> In-Reply-To: <20131113120948.GE2834@moon> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Cyrill Gorcunov Cc: linux-mm@kvack.org On 13/11/13 12:09, Cyrill Gorcunov wrote: > On Wed, Nov 13, 2013 at 11:18:26AM +0000, Alin Dobre wrote: >> >> The above traces seem similar with the ones that were reported by >> Dave couple of months ago in the LKML thread >> https://lkml.org/lkml/2013/8/7/27. >> >> Any further thoughts on why this happens? > > Dave's report has been addressed in commit 6dec97dc9, which is > in 3.11, also you're to have CONFIG_MEM_SOFT_DIRTY=y to trigger > it in former case. Thanks a lot, Cyrill. That's a really good piece of information, we must have missed it although it was clearly there. In the meantime, we will try to reproduce the problem and see if this fix together with CONFIG_MEM_SOFT_DIRTY=y works for our OOM kills also. Cheers, Alin. -- 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