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Date: Tue, 24 Jul 2007 00:14:03 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: Peter Zijlstra <peterz@infradead.org>
cc: Mel Gorman <mel@skynet.ie>, Andrew Morton <akpm@linux-foundation.org>,
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       linux-kernel <linux-kernel@vger.kernel.org>,
       Daniel Phillips <phillips@google.com>, linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK
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On Tue, 24 Jul 2007, Peter Zijlstra wrote:

> > Personally I like the consistency of adding __GFP_ZERO here (removes
> > this odd exception) and just masking it in the sl[aou]b thingies.

Adds more code. GFP_LEVEL_MASK are the flags passed through to the 
page allocator. Neither __GFP_ZERO nor __GFP_DMA are passed through and 
therefore they are not part of the GFP_LEVEL_MASK.