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    SubjectRe: [PATCH 8/8] redefine thread_group_leader() as exit_signal >= 0
    Hello,

    On Wed, Jun 22, 2011 at 11:10:26PM +0200, Oleg Nesterov wrote:
    > Change de_thread() to set old_leader->exit_signal = -1. This is
    > good for the consistency, it is no longer the leader and all
    > sub-threads have exit_signal = -1 set by copy_process(CLONE_THREAD).
    >
    > And this allows us to micro-optimize thread_group_leader(), it can
    > simply check exit_signal >= 0. This also makes sense because we
    > should move ->group_leader from task_struct to signal_struct.
    >
    > Signed-off-by: Oleg Nesterov <oleg@redhat.com>

    Patches 5-8 look correct to me but I frankly don't know the area
    enough to assert acked-by's. Please feel free to add reviewed-by's
    tho.

    Thanks.

    --
    tejun


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