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    SubjectRe: [PATCH 5/4] update ksm userspace interfaces
    Izik Eidus wrote:
    > The main problem that ksm will face when removing the fd interface is:
    > right now when you register memory into ksm, you open fd, and then ksm
    > do get_task_mm(), we will do mmput when the file will be closed

    Did you test whenever it really cleans up in case you "kill -9 qemu"?

    I recently did something simliar with the result that the extra
    reference hold on mm_struct prevented the process memory from being
    zapped ...

    cheers,
    Gerd


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