[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>

1 files changed, 5 insertions, 5 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 79f52b85d6e..6ef8f7356a7 100644
--- 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".  */