From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id 1D53E6B0069 for ; Mon, 7 Nov 2011 17:22:43 -0500 (EST) Message-ID: <4EB85A29.3010604@jp.fujitsu.com> Date: Mon, 07 Nov 2011 14:22:33 -0800 From: KOSAKI Motohiro MIME-Version: 1.0 Subject: Re: [PATCH] oom: do not kill tasks with oom_score_adj OOM_SCORE_ADJ_MIN References: <20111104143145.0F93B8B45E@mx2.suse.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: rientjes@google.com Cc: mhocko@suse.cz, linux-mm@kvack.org, linux-kernel@vger.kernel.org, oleg@redhat.com, yinghan@google.com, akpm@linux-foundation.org (11/7/2011 1:54 PM), David Rientjes wrote: > On Fri, 4 Nov 2011, Michal Hocko wrote: > >> diff --git a/mm/oom_kill.c b/mm/oom_kill.c >> index e916168..4883514 100644 >> --- a/mm/oom_kill.c >> +++ b/mm/oom_kill.c >> @@ -185,6 +185,9 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem, >> if (!p) >> return 0; >> >> + if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) >> + return 0; >> + >> /* >> * The memory controller may have a limit of 0 bytes, so avoid a divide >> * by zero, if necessary. > > This leaves p locked, you need to do task_unlock(p) first. > > Once that's fixed, please add my > > Acked-by: David Rientjes Agreed. Acked-by: KOSAKI Motohiro -- 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