linux-kernel - [PATCH 0/1] (Was: cgroup_freezer: don't stall transition to FROZEN for PF_NOFREEZE or PF_FREEZER

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Message-ID: <20121025171236.GA6776@redhat.com>
Date:	Thu, 25 Oct 2012 19:12:36 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	rjw@...k.pl, linux-kernel@...r.kernel.org, lizefan@...wei.com,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org
Subject: [PATCH 0/1] (Was: cgroup_freezer: don't stall transition to FROZEN
	for PF_NOFREEZE or PF_FREEZER_SKIP tasks)

On 10/24, Tejun Heo wrote:
>
> > I'd prefer to simply clear PF_NOFREEZE (without set_freezable), but
> > obviously this doesn't look exactly right from cgroup_freezer pov.
>
> I don't think it matters all that much.  It's a pretty special case.

OK.

> Maybe define PF_CLEAR_ON_EXEC_MASK or something and just include
> PF_NOFREEZE in it?

May be... but it will have a single user and sched.h is already huge,
so didn't do this.

Oleg.

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