Messages in this thread | | | Date | Wed, 18 Aug 2004 19:51:02 -0700 | From | William Lee Irwin III <> | Subject | Re: Does io_remap_page_range() take 5 or 6 args? |
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On Wed, 18 Aug 2004 19:38:48 -0700 William Lee Irwin III wrote: >> Oddly, the sparc64 case seems to be the most difficult one for the >> io_remap_page_range() sweep...
On Wed, Aug 18, 2004 at 07:43:13PM -0700, David S. Miller wrote: > Oh yeah, that's due to the large TLB mapping support > isn't it?
It could be ... most of the pain was centered around testing bits inside of offset & ~PAGE_MASK, which, when the physical address offset corresponds to is recovered from a pfn, are necessarily all zero.
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