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Date: Fri, 17 Oct 2014 18:06:46 +0200
From: Michal Hocko <mhocko@suse.cz>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>, David Rientjes <rientjes@google.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>, Tejun Heo <tj@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org
Subject: Re: + freezer-check-oom-kill-while-being-frozen.patch added to -mm
 tree
Message-ID: <20141017160645.GG8076@dhcp22.suse.cz>
References: <20141016203954.GA26336@redhat.com>
 <20141017065947.GA8076@dhcp22.suse.cz>
 <20141017153155.GB7227@redhat.com>
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On Fri 17-10-14 17:31:55, Oleg Nesterov wrote:
> On 10/17, Michal Hocko wrote:
> >
> > Can we simply make the task sleep interruptible?
> 
> No, this will turn __refrigerator() into the busy-wait loop if
> signal_pending() == T.

good point.
 
> (but I still think it makes sense to kill PF_FROZEN and introduce
>  TASK_FROZEN state, however this is offtopic).
> 
> Oleg.
> 

-- 
Michal Hocko
SUSE Labs