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    SubjectRe: msync() bug

    On Mon, 9 Jul 2001, Hugh Dickins wrote:
    > As it stands, yes. But shouldn't there be some kind of VM_ASIFRESERVED
    > vma flag to treat all its pages as if they were reserved, for /dev/mem?

    Sure, that is doable. We do in fact already have the flag - you could
    think of the VM_IO as that kind of flag already. I wouldn't object to that
    kind of change in the 2.5.x timeframe. We already have vmscan ignoring
    VM_IO objects, we could do the same to copy_mm() and to mmdrop().


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