tree 0756b300e8f558a923782a9ccea9a8b532e39159
parent e550f14dc6322e794d4e70825f63c9c99177ae8b
author Oleg Nesterov <oleg@redhat.com> 1308777011 +0200
committer Oleg Nesterov <oleg@redhat.com> 1309199410 +0200

do not change dead_task->exit_signal

__ptrace_detach() and do_notify_parent() set task->exit_signal = -1
to mark the task dead. This is no longer needed, nobody checks
exit_signal to detect the EXIT_DEAD task.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Tejun Heo <tj@kernel.org>