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    SubjectRe: [PATCH 00/16] mm: prepare for converting vm->vm_flags to 64-bit
    Benjamin Herrenschmidt wrote:
    > On Sat, 2012-03-24 at 18:46 +0400, Konstantin Khlebnikov wrote:
    >> Obviously we can combine VM_PFN_AT_MMAP, VM_SAO, VM_GROWSUP and
    >> VM_MAPPED_COPY into one.
    > VM_PFN_AT_MMAP isn't arch specific afaik...

    Technically yes, but all this pfnmap-tracking engine has only one user: x86 PAT.
    We can easily make it x86-only, or try to implement it without using special flag on vma.

    > Cheers,
    > Ben.

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      Last update: 2012-03-25 09:59    [W:0.019 / U:64.952 seconds]
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