linux-kernel - Re: [PATCH 4/5] cgroup: distinguish the default and legacy hierarchies when handling cftypes

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Date:	Mon, 14 Jul 2014 10:42:57 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>, Vivek Goyal <vgoyal@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Aristeu Rozanski <aris@...hat.com>,
	Neil Horman <nhorman@...driver.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: Re: [PATCH 4/5] cgroup: distinguish the default and legacy
 hierarchies when handling cftypes

On Mon, Jul 14, 2014 at 10:13:27AM +0800, Li Zefan wrote:
> I think we should remove this flag in cgroup_rm_cftypes_locked(). Otherwise
> if we call cgroup_add_dlf_cftypes() and then cgroup_rm_cftypes() and then
> cgroup_add_legacy_cftypes() for the same @cfts, both CFTYPE_ONLY_ON_DFL and
> CFTYPE_INSANE are set.

Heh, that's unlikely to actually happen but yes clearing would be
better.  Will update accordingly.

Thanks.

-- 
tejun
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