[PATCH] PF_DEAD cleanup

The PF_DEAD setting doesn't belong to exit_notify(), move it to a proper
place.

Signed-off-by: Coywolf Qi Hunt <qiyong@fc-cn.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/kernel/exit.c b/kernel/exit.c
index 79f52b8..6ef8f73 100644 (file)
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -783,10 +783,6 @@ static void exit_notify(struct task_struct *tsk)
        /* If the process is dead, release it - nobody will wait for it */
        if (state == EXIT_DEAD)
                release_task(tsk);
-
-       /* PF_DEAD causes final put_task_struct after we schedule. */
-       preempt_disable();
-       tsk->flags |= PF_DEAD;
 }
 
 fastcall NORET_TYPE void do_exit(long code)
@@ -873,7 +869,11 @@ fastcall NORET_TYPE void do_exit(long code)
        tsk->mempolicy = NULL;
 #endif
 
-       BUG_ON(!(current->flags & PF_DEAD));
+       /* PF_DEAD causes final put_task_struct after we schedule. */
+       preempt_disable();
+       BUG_ON(tsk->flags & PF_DEAD);
+       tsk->flags |= PF_DEAD;
+
        schedule();
        BUG();
        /* Avoid "noreturn function does return".  */