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| author | Oleg Nesterov <oleg@redhat.com> | 2014-12-10 15:55:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:18 -0800 |
| commit | 6c66e7dba3d4419c8b973505679635efcd6b311c (patch) | |
| tree | 95ae4db5d7768a6b96e3e0e26337348e2aa03b56 /kernel/exit.c | |
| parent | 482a3767e5087f6e6ad2486a6655aaa5f3d59301 (diff) | |
| download | linux-next-6c66e7dba3d4419c8b973505679635efcd6b311c.tar.gz | |
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).
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>
Diffstat (limited to 'kernel/exit.c')
| -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 8061891ddd9b..8714e5ded8b4 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -632,6 +632,8 @@ 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)) @@ -642,10 +644,6 @@ 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 |