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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
Date: Fri, 17 Oct 2014 18:06:46 +0200	[thread overview]
Message-ID: <20141017160645.GG8076@dhcp22.suse.cz> (raw)
In-Reply-To: <20141017153155.GB7227@redhat.com>

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

      reply	other threads:[~2014-10-17 16:06 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-16 20:39 + freezer-check-oom-kill-while-being-frozen.patch added to -mm tree Oleg Nesterov
2014-10-16 20:53 ` Cong Wang
2014-10-16 21:11   ` Oleg Nesterov
2014-10-16 21:19     ` Cong Wang
2014-10-16 21:35       ` Oleg Nesterov
2014-10-16 21:52         ` Cong Wang
2014-10-16 22:22           ` Oleg Nesterov
2014-10-17  2:33             ` Cong Wang
2014-10-17  7:46               ` [PATCH -v2] freezer: check OOM kill while being frozen Michal Hocko
2014-10-17 16:10                 ` Oleg Nesterov
2014-10-17 16:20                   ` Michal Hocko
2014-10-20 15:17                   ` Michal Hocko
2014-10-20 17:40                     ` Oleg Nesterov
2014-10-17 15:24               ` + freezer-check-oom-kill-while-being-frozen.patch added to -mm tree Oleg Nesterov
2014-10-17 16:07                 ` Michal Hocko
2014-10-17  6:59 ` Michal Hocko
2014-10-17 15:31   ` Oleg Nesterov
2014-10-17 16:06     ` Michal Hocko [this message]

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