diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2014-12-10 15:55:23 -0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-05-02 18:28:39 +0200 |
| commit | db6189c3062109cc1d38636e697b924c58b8bdc2 (patch) | |
| tree | 16eae900967f2f99e85b8780526900b217a90a0a | |
| parent | 31efea701a4d2b2177f58f080ef661a0387b09bf (diff) | |
exit: exit_notify: re-use "dead" list to autoreap current
After the previous change we can add just the exiting EXIT_DEAD task to
the "dead" list and remove another release_task(tsk).
Change-Id: I6c3139d27d8ebaf78aec9bf4093f776e37336ccb
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Aaron Tomlin <atomlin@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Sterling Alexander <stalexan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | kernel/exit.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index d67d4fe90..1eb49f2f5 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -635,6 +635,8 @@ static void exit_notify(struct task_struct *tsk, int group_dead) } tsk->exit_state = autoreap ? EXIT_DEAD : EXIT_ZOMBIE; + if (tsk->exit_state == EXIT_DEAD) + list_add(&tsk->ptrace_entry, &dead); /* mt-exec, de_thread() is waiting for group leader */ if (unlikely(tsk->signal->notify_count < 0)) @@ -645,10 +647,6 @@ static void exit_notify(struct task_struct *tsk, int group_dead) list_del_init(&p->ptrace_entry); release_task(p); } - - /* If the process is dead, release it - nobody will wait for it */ - if (autoreap) - release_task(tsk); } #ifdef CONFIG_DEBUG_STACK_USAGE |