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Date: Fri, 7 Jul 2006 17:41:53 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
To: Andi Kleen <ak@suse.de>
cc: linux-kernel@vger.kernel.org, Nick Piggin <nickpiggin@yahoo.com.au>,
       Christoph Hellwig <hch@infradead.org>,
       Marcelo Tosatti <marcelo@kvack.org>,
       Arjan van de Ven <arjan@infradead.org>,
       Martin Bligh <mbligh@google.com>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [RFC 4/8] page allocator: Optional ZONE_DMA
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On Sat, 8 Jul 2006, Andi Kleen wrote:

> I think your idea of saving some cache lines by not having the unused
> zones in the fallback lists etc. is a good one, but your current implementation
> with its ifdef maze is extremly ugly. Surely this can be a done less
> intrusively?

I'd be glad if someone would come up with such an idea.