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    SubjectRe: [RFC Patch] use MTRR for write combining if PAT is not available
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    On Tue, 2009-10-20 at 13:35 -0700, Thomas Schlichter wrote:
    > What do you think about the latest version of my patch series I just sent?

    I think we can simplify this by just using mtrr_add_page() and avoid
    all the complexity that comes with mtrr_add_unaligned().

    pci_mmap_range() should call one mtrr_add_page() if the base and size
    are nicely aligned. Almost all the cases, this is the usage sequence
    here anyway.

    thanks,
    suresh



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