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    SubjectRe: init's children list is long and slows reaping children.
    Russell King wrote:
    > Could probably be eliminated if we had some mechanism to spawn a helper
    > thread to do some task as required which didn't block other helper
    > threads until it completes.

    kthread_run() should go that for you. Creates a new thread with
    kthread_create(), and wakes it up immediately. Goes away when you're
    done with it.

    Jeff


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