Richard Henderson writes:
> On most alphas we use only one zone -- ZONE_DMA. The iommu makes it
> possible to do 32-bit pci to the entire memory space.
>
> For those alphas without an iommu, we also set up ZONE_NORMAL.
And on sparc64 since all machines have an iommu, we use just ZONE_DMA
for everything.
Later,
David S. Miller
[EMAIL PROTECTED]
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