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Date: Fri, 7 Jul 2006 17:42:53 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
To: Andi Kleen <ak@suse.de>
cc: linux-kernel@vger.kernel.org, Martin Bligh <mbligh@google.com>,
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       Nick Piggin <nickpiggin@yahoo.com.au>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [RFC 5/8] x86_64 without ZONE_DMA
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On Sat, 8 Jul 2006, Andi Kleen wrote:

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

The savings are not only from the code paths. The VM itself is cleaner and 
the balancing issues are not that troublesome anymore.