Re: [RFC][-mm] Add an owner to the mm_struct (v4)

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To: <balbir@...>

Cc: Pavel Emelianov <xemul@...>, Hugh Dickins <hugh@...>, Sudhir Kumar <skumar@...>, YAMAMOTO Takashi <yamamoto@...>, <lizf@...>, <linux-kernel@...>, <taka@...>, <linux-mm@...>, David Rientjes <rientjes@...>, Andrew Morton <akpm@...>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...>

Subject: Re: [RFC][-mm] Add an owner to the mm_struct (v4)

Date: Thursday, April 3, 2008 - 12:10 am

On Wed, Apr 2, 2008 at 9:05 PM, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
quoted text>
>  I checked to see that cgroup_exit is called after mm_update_new_owner(). We call
>  mm_update_new_owner() from exit_mm(). I did not check for current->cgroups !=
>  new_owner->cgroups, since I did not want to limit the callbacks.

No cgroup subsystem should be concerned about mm ownership changes
between tasks in the same cgroup. So I think that's a valid and useful
optimization.

Paul
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Messages in current thread:

[RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Tue Apr 1, 8:43 am)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Wed Apr 2, 2:53 pm)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Paul Menage, (Wed Apr 2, 3:53 pm)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Thu Apr 3, 12:05 am)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Paul Menage, (Thu Apr 3, 12:10 am)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Thu Apr 3, 12:32 am)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), KAMEZAWA Hiroyuki, (Tue Apr 1, 8:31 pm)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Tue Apr 1, 11:25 pm)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Paul Menage, (Wed Apr 2, 3:27 pm)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), KAMEZAWA Hiroyuki, (Wed Apr 2, 12:53 am)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Wed Apr 2, 2:40 am)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Pekka Enberg, (Tue Apr 1, 12:00 pm)

Re: [RFC][-mm] Add an owner to the mm_struct (v4), Balbir Singh, (Tue Apr 1, 12:15 pm)


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Re: [RFC][-mm] Add an owner to the mm_struct (v4)

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