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    SubjectRe: Provide example copy_in_user implementation

    On Tue, 24 Jun 2003, Pavel Machek wrote:
    > it should be exactly as fast.

    No it shouldn't.

    You should do the access_ok() only _once_ (well, twice: once for source
    and once for dest).

    Also, anything that copies memory one byte at a time is just asking to be


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