linux-kernel - Re: [PATCH 1/5] mm: Add __GFP_NO_OOM

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Date:	Thu, 7 May 2009 15:38:24 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	rientjes@...gle.com, fengguang.wu@...el.com,
	linux-pm@...ts.linux-foundation.org, pavel@....cz,
	torvalds@...ux-foundation.org, jens.axboe@...cle.com,
	alan-jenkins@...fmail.co.uk, linux-kernel@...r.kernel.org,
	kernel-testers@...r.kernel.org
Subject: Re: [PATCH 1/5] mm: Add __GFP_NO_OOM_KILL flag

On Fri, 8 May 2009 00:14:48 +0200
"Rafael J. Wysocki" <rjw@...k.pl> wrote:

> IOW, you need to freeze the user space totally before trying to disable the
> OOM killer.

Not necessarily.  We only need to take action if a task is about to
start oom-killing - presumably by taking a nap.

If a process is sitting there happily computing pi then we can leave it
running.
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