Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751816Ab1DZIVz (ORCPT ); Tue, 26 Apr 2011 04:21:55 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:54169 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751552Ab1DZIVu (ORCPT ); Tue, 26 Apr 2011 04:21:50 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=BMkO5k6VFg3liX/SutbGr6lP5Q7jUuQDY9URjzeaptR+Cp4JBx089PcQrjI/r5/8c5 nHveTVp9TG83IZUG+g/IiUvoDtqkGmLCCreIBeGxAMAujT/ea3Vh19OCrRCJC5iUAKXl gBrE9E2dHYG48OmyfUNo4r2i57+bbuHWZoiFY= MIME-Version: 1.0 In-Reply-To: References: <20110426053150.GA11949@darkstar> Date: Tue, 26 Apr 2011 17:21:48 +0900 Message-ID: Subject: Re: [PATCH 2/2] use oom_killer_disabled in page fault oom path From: Minchan Kim To: Dave Young Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com, kosaki.motohiro@jp.fujitsu.com Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1099 Lines: 27 On Tue, Apr 26, 2011 at 5:07 PM, Minchan Kim wrote: > On Tue, Apr 26, 2011 at 2:31 PM, Dave Young wrote: >> Currently oom_killer_disabled is only used in __alloc_pages_slowpath, >> For page fault oom case it is not considered. One use case is >> virtio balloon driver, when memory pressure is high, virtio ballooning >> will cause oom killing due to such as page fault oom. > > Other mm guys already accepted but sorry I can't understand your point > since I am not familiar with virtio. > > Now oom_killer_disabled is used by only hibernation and hibernation > freezes processes so page fault shouldn't happen. > > Now are you using oom_killer_disabled in virtio? > Could you elaborate use case ? Sorry, I lost your [1/2] in my mail box. I will see it in marc linux-mm -- Kind regards, Minchan Kim -- 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/