wait: completely ignore the EXIT_DEAD tasks
authorOleg Nesterov <oleg@redhat.com>
Mon, 7 Apr 2014 22:38:45 +0000 (15:38 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 7 Apr 2014 23:36:06 +0000 (16:36 -0700)
commitb3ab03160dfaf8ab78d476b670de319f4c1a5685
tree1ba7dbadf646e9d5c9939625a001e257ac91a12c
parentb436069059fede30ca31d4bf439cc86436ff5b1d
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 <oleg@redhat.com>
Tested-by: Michal Schmidt <mschmidt@redhat.com>
Cc: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Lennart Poettering <lpoetter@redhat.com>
Cc: Roland McGrath <roland@hack.frob.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/exit.c