From: Frederic Weisbecker <fweisbec@gmail.com>
To: Ben Blum <bblum@andrew.cmu.edu>, Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>,
linux-kernel@vger.kernel.org, NeilBrown <neilb@suse.de>,
paulmck@linux.vnet.ibm.com, Paul Menage <paul@paulmenage.org>,
Li Zefan <lizf@cn.fujitsu.com>,
containers@lists.linux-foundation.org,
Balbir Singh <bsingharora@gmail.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 2/2] cgroups: convert ss->attach to use whole threadgroup flex_array (cpuset, memcontrol)
Date: Fri, 14 Oct 2011 14:21:30 +0200 [thread overview]
Message-ID: <20111014122126.GL14968@somewhere> (raw)
In-Reply-To: <20111014003601.GC22527@ghc17.ghc.andrew.cmu.edu>
On Thu, Oct 13, 2011 at 08:36:01PM -0400, Ben Blum wrote:
> Convert ss->attach to take a flex_array of tasks instead of just the leader.
>
> From: Ben Blum <bblum@andrew.cmu.edu>
>
> This lets subsystems with whole-threadgroup attach calls (i.e., cpuset and
> memcontrol) to accurately find the group's mm even when a non-leader does exec
> and leaves the leader with a NULL mm pointer.
>
> Also converts cpuset and memcontrol to take the flex_array and iterate down it
> until an mm is found, instead of just attempting to use the leader's mm.
>
> Signed-off-by: Ben Blum <bblum@andrew.cmu.edu>
I think there are patches from Tejun that handle that did that already?
https://lkml.org/lkml/2011/8/23/418
next prev parent reply other threads:[~2011-10-14 12:21 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110727171101.5e32d8eb@notabene.brown>
2011-07-27 15:07 ` Possible race between cgroup_attach_proc and de_thread, and questionable code in de_thread Ben Blum
2011-07-27 23:42 ` Paul E. McKenney
2011-07-28 1:08 ` NeilBrown
2011-07-28 6:26 ` Ben Blum
2011-07-28 7:13 ` NeilBrown
2011-07-29 14:28 ` [PATCH][BUGFIX] cgroups: more safe tasklist locking in cgroup_attach_proc Ben Blum
2011-08-01 19:31 ` Paul Menage
2011-08-15 18:49 ` Oleg Nesterov
2011-08-15 22:50 ` Frederic Weisbecker
2011-08-15 23:04 ` Ben Blum
2011-08-15 23:09 ` Ben Blum
2011-08-15 23:19 ` Frederic Weisbecker
2011-08-15 23:11 ` [PATCH][BUGFIX] cgroups: fix ordering of calls " Ben Blum
2011-08-15 23:20 ` Frederic Weisbecker
2011-08-15 23:31 ` Paul Menage
2011-09-01 21:46 ` [PATCH][BUGFIX] cgroups: more safe tasklist locking " Ben Blum
2011-09-02 12:32 ` Oleg Nesterov
2011-09-08 2:11 ` Ben Blum
2011-10-14 0:31 ` [PATCH 1/2] cgroups: use sighand lock instead of tasklist_lock " Ben Blum
2011-10-14 12:15 ` Frederic Weisbecker
2011-10-14 0:36 ` [PATCH 2/2] cgroups: convert ss->attach to use whole threadgroup flex_array (cpuset, memcontrol) Ben Blum
2011-10-14 12:21 ` Frederic Weisbecker [this message]
2011-10-14 13:53 ` Ben Blum
2011-10-14 13:54 ` Ben Blum
2011-10-14 15:22 ` Frederic Weisbecker
2011-10-17 19:11 ` Ben Blum
2011-10-14 15:21 ` Frederic Weisbecker
2011-10-19 5:43 ` Paul Menage
2011-07-28 12:17 ` Possible race between cgroup_attach_proc and de_thread, and questionable code in de_thread Paul E. McKenney
2011-08-14 17:51 ` Oleg Nesterov
2011-08-14 23:58 ` NeilBrown
2011-08-15 18:01 ` Paul E. McKenney
2011-08-14 17:45 ` Oleg Nesterov
2011-08-14 17:40 ` Oleg Nesterov
2011-08-15 0:11 ` NeilBrown
2011-08-15 19:09 ` Oleg Nesterov
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