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    SubjectRe: sendfile
    In article <>,
    Mark Mielke <> wrote:
    >One question it raises in my mind, is whether there would be value in
    >improving write()/send() such that they detect that the userspace
    >pointer refers entirely to mmap()'d file pages, and therefore no copy
    >of data from userspace -> kernelspace should be performed.

    You mean like


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