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authorOleg Nesterov <oleg@redhat.com>2014-12-10 15:55:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:18 -0800
commit6c66e7dba3d4419c8b973505679635efcd6b311c (patch)
tree95ae4db5d7768a6b96e3e0e26337348e2aa03b56 /kernel/exit.c
parent482a3767e5087f6e6ad2486a6655aaa5f3d59301 (diff)
downloadlinux-sh-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.c6
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