From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 8C9E76B007B for ; Wed, 15 Sep 2010 22:04:54 -0400 (EDT) Received: from kpbe12.cbf.corp.google.com (kpbe12.cbf.corp.google.com [172.25.105.76]) by smtp-out.google.com with ESMTP id o8G24p2d024476 for ; Wed, 15 Sep 2010 19:04:52 -0700 Received: from pzk32 (pzk32.prod.google.com [10.243.19.160]) by kpbe12.cbf.corp.google.com with ESMTP id o8G24oXp013952 for ; Wed, 15 Sep 2010 19:04:50 -0700 Received: by pzk32 with SMTP id 32so248971pzk.8 for ; Wed, 15 Sep 2010 19:04:50 -0700 (PDT) Date: Wed, 15 Sep 2010 19:04:45 -0700 (PDT) From: David Rientjes Subject: Re: [patch] oom: filter unkillable tasks from tasklist dump In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: KAMEZAWA Hiroyuki , KOSAKI Motohiro , linux-mm@kvack.org List-ID: On Wed, 1 Sep 2010, David Rientjes wrote: > /proc/sys/vm/oom_dump_tasks is enabled by default, so it's necessary to > limit as much information as possible that it should emit. > > The tasklist dump should be filtered to only those tasks that are > eligible for oom kill. This is already done for memcg ooms, but this > patch extends it to both cpuset and mempolicy ooms as well as init. > > In addition to suppressing irrelevant information, this also reduces > confusion since users currently don't know which tasks in the tasklist > aren't eligible for kill (such as those attached to cpusets or bound to > mempolicies with a disjoint set of mems or nodes, respectively) since > that information is not shown. > > Signed-off-by: David Rientjes Andrew, did you have a chance to look at this and consider it for -mm? Please also add KOSAKI-san's Reviewed-by line from http://marc.info/?l=linux-mm&m=128338679018068. Thanks. -- 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