linux-kernel - Re: [PATCH 1/3] cgroups: Add an API to attach a task to current task's cgroup

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Date:	Tue, 25 May 2010 11:34:12 -0700
From:	Paul Menage <menage@...gle.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Sridhar Samudrala <samudrala.sridhar@...il.com>,
	netdev <netdev@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	containers@...ts.linux-foundation.org, lizf@...fujitsu.com
Subject: Re: [PATCH 1/3] cgroups: Add an API to attach a task to current 
	task's cgroup

On Tue, May 25, 2010 at 9:53 AM, Michael S. Tsirkin <mst@...hat.com> wrote:
> On Thu, May 20, 2010 at 03:22:15PM -0700, Paul Menage wrote:
>> On Tue, May 18, 2010 at 5:04 PM, Sridhar Samudrala
>> <samudrala.sridhar@...il.com> wrote:
>> > Add a new kernel API to attach a task to current task's cgroup
>> > in all the active hierarchies.
>> >
>> > Signed-off-by: Sridhar Samudrala <sri@...ibm.com>
>>
>> Reviewed-by: Paul Menage <menage@...gle.com>
>>
>> It would be more efficient to just attach directly to current->cgroups
>> rather than potentially creating/destroying one css_set for each
>> hierarchy until we've completely converged on current->cgroups - but
>> that would require a bunch of refactoring of the guts of
>> cgroup_attach_task() to ensure that the right can_attach()/attach()
>> callbacks are made. That doesn't really seem worthwhile right now for
>> the initial use, that I imagine isn't going to be
>> performance-sensitive.
>>
>> Paul
>
> Is this patch suitable for 2.6.35?

Should be OK, yes.

Paul
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