From mboxrd@z Thu Jan  1 00:00:00 1970
From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Subject: Re: [PATCH 2/2] memcg: first step towards hierarchical controller
Date: Wed, 27 Jun 2012 16:49:59 +0400
Message-ID: <4FEB0177.1070303@parallels.com>
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To: Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>
Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org, Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>, Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>

On 06/27/2012 04:51 PM, Michal Hocko wrote:
>> > Just disallow clearing .use_hierarchy if it was mounted with the
>> > option? 
> Dunno, mount option just doesn't feel right. We do not offer other
> attributes to be set by them so it would be just confusing. Besides that
> it would require an integration into existing tools like cgconfig which
> is yet another pain just because of something that we never promissed to
> keep a certain way. There are many people who don't work with mount&fs
> cgroups directly but rather use libcgroup for that...

myself included.