From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Gregory Haskins" <ghaskins@novell.com>
Subject: Re: [PATCH 0/2][RFC] VFCIPI v3
Date: Tue, 31 Jul 2007 12:26:37 -0400
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Cc: "Ingo Molnar" <mingo@elte.hu>, <linux-kernel@vger.kernel.org>,
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To: "Peter Zijlstra" <peterz@infradead.org>
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>>> On Tue, Jul 31, 2007 at 12:22 PM, in message <1185898941.12034.22.camel@twins>,
Peter Zijlstra <peterz@infradead.org> wrote: 
> On Tue, 2007-07-31 at 12:14 -0400, Gregory Haskins wrote:
> 
>> Out of curiosity and for my own edification:  What *is* GFP_ATOMIC meant 
> for?
> 
> It is meant as you used it, _except_ for !PREEMPT_RT.
> 
> With PREEMPT_RT all allocators are fully preemptable, that is both the
> slab as well as the underlying page allocator.
> 
> Allocation from atomic context is a BUG() with -rt.

Thanks for the clarification!
-Greg