From: Andi Kleen <ak@suse.de>
Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg)
To: "Yinghai Lu" <yhlu.kernel@gmail.com>
Subject: Re: [PATCH] x86_64: reserve dma32 early for gart
Date: Sat, 8 Mar 2008 00:20:50 +0100
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Cc: "Ingo Molnar" <mingo@elte.hu>, "Andrew Morton" <akpm@linux-foundation.org>,
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       "H. Peter Anvin" <hpa@zytor.com>,
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On Saturday 08 March 2008 00:02:50 Yinghai Lu wrote:
> 
> 


>solution will be:
>1. make memmap allocation get memory above 4G...
>2. reserve some dma32 range early before we try to set up memmap for all.
>and release that before pci_iommu_alloc, so gart or swiotlb could get some
>range under 4g limit for sure.

Funny we had (1) before vmemmap for some time, but it looks like
that regressed with vmemmap Anyways I think (1) alone should be enough, is (2) 
really needed?

-Andi
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