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Subject: Re: [1/3] Add 4GB DMA32 zone
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andi Kleen <ak@suse.de>
Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org, discuss@x86-64.org
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Date: Mon, 12 Sep 2005 13:34:33 +0100
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On Llu, 2005-09-12 at 13:22 +0200, Andi Kleen wrote:
> And with the mempool sleep approach they will just get small queues. Yes
> that will be slower, but if you want performance on boxes with a lot of memory 
> you should not buy broken hardware.

Ironically its broken hardware it works best with. AMD64 is problematic
but Intel with the swiotlb works ;)

Ok - points made anyway, if you think the 4GB one is the best way to do
it even considering these then I've no problem with that.