Re: [PATCH 1/5] mm: Add __GFP_NO_OOM_KILL flag
From: Pavel Machek
Date: Thu May 07 2009 - 16:36:02 EST
On Thu 2009-05-07 13:25:06, David Rientjes wrote:
> On Thu, 7 May 2009, Rafael J. Wysocki wrote:
>
> > OK, let's try with __GFP_NO_OOM_KILL first. If there's too much disagreement,
> > I'll use the freezer-based approach instead.
> >
>
> Third time I'm going to suggest this, and I'd like a response on why it's
> not possible instead of being ignored.
>
> All of your tasks are in D state other than kthreads, right? That means
> they won't be in the oom killer (thus no zones are oom locked), so you can
> easily do this
Well, OOM killer may be running on behalf of some kthread at that
point....? Quite unlikely, but possible AFAICT.
Pavel
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