From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 4DBB26B0200 for ; Wed, 21 Apr 2010 18:04:39 -0400 (EDT) Received: from kpbe17.cbf.corp.google.com (kpbe17.cbf.corp.google.com [172.25.105.81]) by smtp-out.google.com with ESMTP id o3LM4YtP016625 for ; Wed, 21 Apr 2010 15:04:35 -0700 Received: from pwi1 (pwi1.prod.google.com [10.241.219.1]) by kpbe17.cbf.corp.google.com with ESMTP id o3LM3iUX032214 for ; Wed, 21 Apr 2010 15:04:33 -0700 Received: by pwi1 with SMTP id 1so5594479pwi.25 for ; Wed, 21 Apr 2010 15:04:32 -0700 (PDT) Date: Wed, 21 Apr 2010 15:04:27 -0700 (PDT) From: David Rientjes Subject: Re: [patch -mm] memcg: make oom killer a no-op when no killable task can be found In-Reply-To: <20100421121758.af52f6e0.akpm@linux-foundation.org> Message-ID: References: <20100407092050.48c8fc3d.kamezawa.hiroyu@jp.fujitsu.com> <20100407205418.FB90.A69D9226@jp.fujitsu.com> <20100421121758.af52f6e0.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: KOSAKI Motohiro , KAMEZAWA Hiroyuki , anfei , nishimura@mxp.nes.nec.co.jp, Balbir Singh , linux-mm@kvack.org List-ID: On Wed, 21 Apr 2010, Andrew Morton wrote: > fyi, I still consider these patches to be in the "stuck" state. So we > need to get them unstuck. > > > Hiroyuki (and anyone else): could you please summarise in the briefest > way possible what your objections are to Daivd's oom-killer changes? > > I'll start: we don't change the kernel ABI. Ever. And when we _do_ > change it we don't change it without warning. > I'm not going to allow a simple cleanup to jeopardize the entire patchset, so I can write a patch that readds /proc/sys/vm/oom_kill_allocating_task that simply mirrors the setting of /proc/sys/vm/oom_kill_quick and then warn about its deprecation. I don't believe we need to do the same thing for the removal of /proc/sys/vm/oom_dump_tasks since that functionality is now enabled by default. -- 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