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pid_ns: de_thread: kill the now unneeded ->child_reaper change

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de_thread() checks if the old leader was the ->child_reaper, this is not
possible any longer.  With the previous patch ->group_leader itself will
change ->child_reaper on exit.

Henceforth find_new_reaper() is the only function (apart from
initialization) which plays with ->child_reaper.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov 2008-10-15 22:04:25 -07:00 committed by Linus Torvalds
parent f221e726bf
commit 07edbde508
1 changed files with 0 additions and 2 deletions
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fs/exec.c
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@ -825,8 +825,6 @@ static int de_thread(struct task_struct *tsk)
schedule();
}
if (unlikely(task_child_reaper(tsk) == leader))
task_active_pid_ns(tsk)->child_reaper = tsk;
/*
* The only record we have of the real-time age of a
* process, regardless of execs it's done, is start_time.