From: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: Dongsheng Yang <dongsheng081251-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Dongsheng Yang
<yangds.fnst-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH V2] cgroup: Introduce cgroup_detach_task().
Date: Tue, 26 Aug 2014 09:35:36 +0800 [thread overview]
Message-ID: <53FBE468.6050805@huawei.com> (raw)
In-Reply-To: <CA+qeAOpiW41i3dKyxYp_G9kB=Z9Kr7ZXeJOyq8QZP=qy6H6T3Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 2014/8/25 23:00, Dongsheng Yang wrote:
> On Mon, Aug 25, 2014 at 10:47 PM, Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
>> 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.
>
> Okey, I should not think it as attaching and detaching. Just treat them as
> a move between root and non-root cgroup.
>
> It sounds reasonable to me now.
>
I from time to time have to explain this to other people.
WARNING: multiple messages have this Message-ID (diff)
From: Li Zefan <lizefan@huawei.com>
To: Dongsheng Yang <dongsheng081251@gmail.com>
Cc: Tejun Heo <tj@kernel.org>,
Dongsheng Yang <yangds.fnst@cn.fujitsu.com>,
<cgroups@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V2] cgroup: Introduce cgroup_detach_task().
Date: Tue, 26 Aug 2014 09:35:36 +0800 [thread overview]
Message-ID: <53FBE468.6050805@huawei.com> (raw)
In-Reply-To: <CA+qeAOpiW41i3dKyxYp_G9kB=Z9Kr7ZXeJOyq8QZP=qy6H6T3Q@mail.gmail.com>
On 2014/8/25 23:00, Dongsheng Yang wrote:
> On Mon, Aug 25, 2014 at 10:47 PM, Tejun Heo <tj@kernel.org> wrote:
>> 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.
>
> Okey, I should not think it as attaching and detaching. Just treat them as
> a move between root and non-root cgroup.
>
> It sounds reasonable to me now.
>
I from time to time have to explain this to other people.
next prev parent reply other threads:[~2014-08-26 1:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-25 11:32 [PATCH V2] cgroup: Introduce cgroup_detach_task() Dongsheng Yang
2014-08-25 11:32 ` Dongsheng Yang
[not found] ` <1408966330-2374-1-git-send-email-yangds.fnst-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2014-08-25 14:12 ` Tejun Heo
2014-08-25 14:12 ` Tejun Heo
[not found] ` <20140825141220.GA31066-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2014-08-25 14:46 ` Dongsheng Yang
2014-08-25 14:46 ` Dongsheng Yang
2014-08-25 14:47 ` Tejun Heo
[not found] ` <20140825144710.GA21688-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2014-08-25 15:00 ` Dongsheng Yang
2014-08-25 15:00 ` Dongsheng Yang
[not found] ` <CA+qeAOpiW41i3dKyxYp_G9kB=Z9Kr7ZXeJOyq8QZP=qy6H6T3Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-26 1:35 ` Li Zefan [this message]
2014-08-26 1:35 ` Li Zefan
[not found] ` <53FBE468.6050805-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2014-08-26 2:15 ` Dongsheng Yang
2014-08-26 2:15 ` Dongsheng Yang
[not found] ` <CA+qeAOq-=Yzi6tNq_-2O3yYamxXH99fTd=BUFSrbgcvxW5sRSA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-26 2:22 ` Ni, Xun
2014-08-26 2:22 ` Ni, Xun
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