From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756396Ab2DEWb2 (ORCPT ); Thu, 5 Apr 2012 18:31:28 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:61701 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756263Ab2DEWb1 (ORCPT ); Thu, 5 Apr 2012 18:31:27 -0400 Date: Thu, 5 Apr 2012 15:31:24 -0700 From: Tejun Heo To: David Rientjes Cc: Mike Galbraith , Andrew Morton , Ingo Molnar , Peter Zijlstra , Paul Menage , LKML , Li Zefan Subject: Re: [patch 0/2] cpusets, cpu_cgroup: disallow attaching kthreadd Message-ID: <20120405223124.GD29517@google.com> References: <1333604949.7783.76.camel@marge.simpson.net> <1333608177.7783.106.camel@marge.simpson.net> <20120405160829.GA12854@google.com> <20120405213704.GA29517@google.com> <20120405222400.GC29517@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120405222400.GC29517@google.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 05, 2012 at 03:24:00PM -0700, Tejun Heo wrote: > at the moment, so it could be possible to support the use case you're > describing but please bear in mind that such use case might not be of > high priority. Hmm... I'll think more about it. To clarify a bit. By "such use case", I'm referring to putting kthreadd into !root cgroup or trying to eliminate (as opposed to minimizing to a reasonable level, which IMHO should be possible w/o messing with kthreadd) resource usage from root cgroup. Thanks. -- tejun