From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id D23379000C1 for ; Tue, 26 Apr 2011 04:21:51 -0400 (EDT) Received: by wwi36 with SMTP id 36so311170wwi.26 for ; Tue, 26 Apr 2011 01:21:49 -0700 (PDT) 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 Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Dave Young Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com, kosaki.motohiro@jp.fujitsu.com 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, 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