[PATCH 1/3] sched/swait: Remove __prepare_to_swait

[Peter Zijlstra]

There is no public user of this API, remove it.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 include/linux/swait.h |    1 -
 kernel/sched/swait.c  |    2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -161,7 +161,6 @@ extern void swake_up(struct swait_queue_
 extern void swake_up_all(struct swait_queue_head *q);
 extern void swake_up_locked(struct swait_queue_head *q);
 
-extern void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait);
 extern void prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait, int state);
 extern long prepare_to_swait_event(struct swait_queue_head *q, struct swait_queue *wait, int state);
 
--- a/kernel/sched/swait.c
+++ b/kernel/sched/swait.c
@@ -69,7 +69,7 @@ void swake_up_all(struct swait_queue_hea
 }
 EXPORT_SYMBOL(swake_up_all);
 
-void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)
+static void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait)
 {
 	wait->task = current;
 	if (list_empty(&wait->task_list))