On Mon, Jul 03, 2006 at 04:26:57PM -0700, Christoph Lameter wrote:
> > Which btw is utterly wrong. It should have a 4GB ZONE_DMA32 and everything
> > else in ZONE_NORMAL.
>
> So we want to change the definition of ZONE_DMA to refer to the first 16MB
> only? ZONE_DMA32 is always a 4GB border?
The definition of ZONE_DMA32 is to be te 32bit border. I think we should
implement it wherever possible but at least on all architectures that
maybe have non-iommu implementations. ZONE_DMA should be an arch-specific
low memory zone.
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