> c) virt_to_phys and virt_to_bus should walk through pagetables instead
> of anding/oring with something with something
With care.
There are no page tables on sparc64 for all of the direct physical
page mappings. The tlb miss handlers just compute them by hand for
kernel tlb misses, no memory accesses, no memory wasted on page
tables, and it goes like smoke.
Later,
David S. Miller
davem@dm.cobaltmicro.com
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