From db6189c3062109cc1d38636e697b924c58b8bdc2 Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Wed, 10 Dec 2014 15:55:23 -0800 Subject: 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 Cc: Aaron Tomlin Cc: "Eric W. Biederman" Cc: Sterling Alexander Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/exit.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'kernel') 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 -- cgit v1.2.3