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    SubjectRe: [PATCH] shm: optimize exit_shm()
    On 08/03, Vasiliy Kulikov wrote:
    >
    > As .in_use may be changed to zero while current
    > process was sleeping in down_write(),

    Yes,

    > we should check .in_use once again after
    > down_write().

    Why?

    It doesn't hurt to recheck and I think the patch is correct.
    But the changelog looks confusing.

    Oleg.



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