From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756810Ab0EMOEZ (ORCPT ); Thu, 13 May 2010 10:04:25 -0400 Received: from tango.0pointer.de ([85.214.72.216]:50716 "EHLO tango.0pointer.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754833Ab0EMOEY (ORCPT ); Thu, 13 May 2010 10:04:24 -0400 Date: Thu, 13 May 2010 16:03:54 +0200 From: Lennart Poettering To: Peter Zijlstra Cc: Dhaval Giani , James Kosin , linux-kernel@vger.kernel.org, menage@google.com, balbir@linux.vnet.ibm.com, jsafrane@redhat.com, tglx@linutronix.de Subject: Re: [PATCH/RFC] Have sane default values for cpusets Message-ID: <20100513140354.GA12639@tango.0pointer.de> References: <4BEAB6FC.8090105@intcomgrp.com> <1273674048.1626.117.camel@laptop> <20100512190757.GA421@tango.0pointer.de> <1273755719.5605.3537.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1273755719.5605.3537.camel@twins> Organization: Red Hat, Inc. X-Campaign-1: () ASCII Ribbon Campaign X-Campaign-2: / Against HTML Email & vCards - Against Microsoft Attachments User-Agent: Leviathan/19.8.0 [zh] (Cray 3; I; Solaris 4.711; Console) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13.05.10 15:01, Peter Zijlstra (peterz@infradead.org) wrote: > > On Wed, 2010-05-12 at 21:07 +0200, Lennart Poettering wrote: > > See Dhaval's patch on the background of systemd > > (http://0pointer.de/blog/projects/systemd.html). When a service is > > started in systemd, we create a cgroup for it, when it ends, we remove > > it. > > I seriously hope that's optional, because I for one would really hate a > system that does that. I still mostly build kernels with only cpuset in > and really don't want anybody but me creating groups in there. By default systemd will create its groups in the "debug" hierarchy, (at least for now, in the long run i'd like to see "noop" hierarchy or so, that doesn't sound so temporary), since that controller is not useful for anything but keeping track of processes. So it shouldn't bother you at all. Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net http://0pointer.net/lennart/ GnuPG 0x1A015CC4