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 5E1D86B01F0 for ; Wed, 25 Aug 2010 08:14:31 -0400 (EDT) Received: from wpaz13.hot.corp.google.com (wpaz13.hot.corp.google.com [172.24.198.77]) by smtp-out.google.com with ESMTP id o7PARovo031678 for ; Wed, 25 Aug 2010 03:27:51 -0700 Received: from pwj4 (pwj4.prod.google.com [10.241.219.68]) by wpaz13.hot.corp.google.com with ESMTP id o7PARnuM016104 for ; Wed, 25 Aug 2010 03:27:49 -0700 Received: by pwj4 with SMTP id 4so276664pwj.7 for ; Wed, 25 Aug 2010 03:27:49 -0700 (PDT) Date: Wed, 25 Aug 2010 03:27:45 -0700 (PDT) From: David Rientjes Subject: Re: [PATCH 2/2][BUGFIX] Revert "oom: deprecate oom_adj tunable" In-Reply-To: <20100825184219.F3F2.A69D9226@jp.fujitsu.com> Message-ID: References: <20100825184001.F3EF.A69D9226@jp.fujitsu.com> <20100825184219.F3F2.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: LKML , linux-mm , Andrew Morton , Oleg Nesterov , KAMEZAWA Hiroyuki , Minchan Kim List-ID: On Wed, 25 Aug 2010, KOSAKI Motohiro wrote: > oom_adj is not only used for kernel knob, but also used for > application interface. > Then, adding new knob is no good reason to deprecate it. > > Also, after former patch, oom_score_adj can't be used for setting > OOM_DISABLE. We need "echo -17 > /proc//oom_adj" thing. > > This reverts commit 51b1bd2ace1595b72956224deda349efa880b693. Since I nacked the parent patch of this, I implicitly nack this one as well since oom_score_adj shouldn't be going anywhere. The way to disable oom killing for a task via the new interface, /proc/pid/oom_score_adj, is by OOM_SCORE_ADJ_MIN as specified in the documentation. -- 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