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Commit 6c66e7db authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
Browse files

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: default avatarOleg 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 482a3767

kernel/exit.c

+2 −4
Original line number Diff line number Diff line
@@ -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