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    SubjectRe: [PATCH] Uniquely identifying memory usage
    On Fri, 30 Jul 1999, Martijn van Oosterhout wrote:
    > Wouldn't it be a lot easier if the id was simply current->mm?
    > Thus when CLONE_MM is used they get the same number. Guarenteed
    > never to be reused while in use.

    Yeah, it would. Is there any good reason not to do this? If this doesn't
    have problems, why isn't the same thing done for other kernel ID's? I
    can't think of a single place in the kernel where kernel space pointers
    get exported to user space as opaque handles, and that makes me nervous
    about being the first person to do it. (OTOH, I can think of several
    places where NT does this... which makes me even more nervous about doing
    it in Linux. <g>)

    Chris Smith <>

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