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wait: completely ignore the EXIT_DEAD tasks
Now that EXIT_DEAD is the terminal state it doesn't make sense to call eligible_child() or security_task_wait() if the task is really dead. Signed-off-by: Oleg Nesterov <[email protected]> Tested-by: Michal Schmidt <[email protected]> Cc: Jan Kratochvil <[email protected]> Cc: Al Viro <[email protected]> Cc: Lennart Poettering <[email protected]> Cc: Roland McGrath <[email protected]> Cc: Tejun Heo <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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