| Date | Thu, 20 Nov 2014 19:34:28 +0100 | From | Oleg Nesterov <> | Subject | [PATCH -mm 3/3] exit: exit_notify: re-use "dead" list to autoreap current |
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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> --- kernel/exit.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c index ccf27cb..43394f7 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 -- 1.5.5.1
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