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From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Subject: Re: [RFC 5/8] x86_64 without ZONE_DMA
Date: Sat, 8 Jul 2006 02:20:39 +0200
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Cc: linux-kernel@vger.kernel.org, Martin Bligh <mbligh@google.com>,
       Christoph Hellwig <hch@infradead.org>,
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       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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On Saturday 08 July 2006 02:05, Christoph Lameter wrote:
> x86_64: ZONE_DMA/ZONE_DMA32 optional
> 
> Allow the use to specify CONFIG_ZONE_DMA32 and CONFIG_ZONE_DMA (via
> CONFIG_GENERIC_ISA_DMA).

Why? 

I don't think the savings from this are enough to bother
the user with such an obscure config option.

-Andi