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    SubjectRe: VM_RESERVED [was Re: mapping user space buffer to kernel address space]
    On Fri, Oct 20, 2000 at 10:44:40AM -0700, Linus Torvalds wrote:
    > agree with your change, but I just suspect it will break drivers that have

    you're right, it would break it, the driver should really somehow increase the
    pagecount for each mapping with the PG_reserved removed (in the future that can
    be easily done in the nopage callback).

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