[PATCH 3/3] exit_state: kill task_is_dead()

[Oleg Nesterov]

task_is_dead() has no users since commit 43e13cc107cf
"cred: remove task_is_dead() from __task_cred() validation", and
nobody except exit.c should rely on ->exit_state (we still have
the users which should be changed).

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
 include/linux/sched.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ee2c2e6..33cf854 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -167,7 +167,6 @@ extern char ___assert_task_state[1 - 2*!!(
 
 #define task_is_traced(task)	((task->state & __TASK_TRACED) != 0)
 #define task_is_stopped(task)	((task->state & __TASK_STOPPED) != 0)
-#define task_is_dead(task)	((task)->exit_state != 0)
 #define task_is_stopped_or_traced(task)	\
 			((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0)
 #define task_contributes_to_load(task)	\
-- 
1.5.5.1

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