linux-kernel - Re: [PATCH] [0/13] General DMA zone rework

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Message-ID: <Pine.LNX.4.64.0803101014070.24069@schroedinger.engr.sgi.com>
Date:	Mon, 10 Mar 2008 10:14:43 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] [0/13] General DMA zone rework

On Sat, 8 Mar 2008, Andi Kleen wrote:

> I'm afraid it would not help you directly because you would still need 
> to maintain that code for s390 (seems to be a heavy GFP_DMA user)
> and probably some other architectures (unless you can get these
> maintainers to get rid of GFP_DMA too) With my plan it can be just ifdefed
> and the ifdef not enabled on x86.

Undefining ZONE_DMA will remove support for GFP_DMA from the slab 
allocators. Your patch is already doing that.

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