linux-kernel - Re: [PATCH V2] cgroup: Introduce cgroup_detach

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Message-ID: <20140825144710.GA21688@htj.dyndns.org>
Date:	Mon, 25 Aug 2014 10:47:10 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Dongsheng Yang <dongsheng081251@...il.com>
Cc:	Dongsheng Yang <yangds.fnst@...fujitsu.com>, lizefan@...wei.com,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] cgroup: Introduce cgroup_detach_task().

On Mon, Aug 25, 2014 at 10:46:03PM +0800, Dongsheng Yang wrote:
> My point here is that attaching and detaching are a pair of operations.

There is no detaching from a cgroup.  A task is always attached to a
cgroup whether that's a root or non-root cgroup.

Thanks.

-- 
tejun
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