From: "Paul Menage" <menage@google.com>
To: balbir@linux.vnet.ibm.com
Cc: Pavel Emelianov <xemul@openvz.org>,
Hugh Dickins <hugh@veritas.com>,
Sudhir Kumar <skumar@linux.vnet.ibm.com>,
YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
lizf@cn.fujitsu.com, linux-kernel@vger.kernel.org,
taka@valinux.co.jp, linux-mm@kvack.org,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [RFC][-mm] Add an owner to the mm_struct (v4)
Date: Wed, 2 Apr 2008 21:10:36 -0700 [thread overview]
Message-ID: <6599ad830804022110h2090f3efg7c6173df8185679e@mail.gmail.com> (raw)
In-Reply-To: <47F4577E.5060905@linux.vnet.ibm.com>
On Wed, Apr 2, 2008 at 9:05 PM, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
>
> 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
next prev parent reply other threads:[~2008-04-03 4:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-01 12:43 Balbir Singh
2008-04-01 16:00 ` Pekka Enberg
2008-04-01 16:15 ` Balbir Singh
2008-04-02 0:31 ` KAMEZAWA Hiroyuki
2008-04-02 3:25 ` Balbir Singh
2008-04-02 4:53 ` KAMEZAWA Hiroyuki
2008-04-02 6:40 ` Balbir Singh
2008-04-02 19:27 ` Paul Menage
2008-04-02 18:53 ` Balbir Singh
2008-04-02 19:53 ` Paul Menage
2008-04-03 4:05 ` Balbir Singh
2008-04-03 4:10 ` Paul Menage [this message]
2008-04-03 4:32 ` Balbir Singh
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