linux-kernel - [tip:sched/core] sched/swait: Remove __prepare_to

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Date:   Wed, 20 Jun 2018 02:39:48 -0700
From:   tip-bot for Peter Zijlstra <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, hpa@...or.com,
        torvalds@...ux-foundation.org, peterz@...radead.org,
        tglx@...utronix.de
Subject: [tip:sched/core] sched/swait: Remove __prepare_to_swait

Commit-ID:  6519750210d9d3330e85d12e0128652edde448d2
Gitweb:     https://git.kernel.org/tip/6519750210d9d3330e85d12e0128652edde448d2
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Tue, 12 Jun 2018 10:34:50 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 20 Jun 2018 11:35:56 +0200

sched/swait: Remove __prepare_to_swait

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

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: bigeasy@...utronix.de
Cc: oleg@...hat.com
Cc: paulmck@...ux.vnet.ibm.com
Cc: pbonzini@...hat.com
Link: https://lkml.kernel.org/r/20180612083909.157076812@infradead.org

---
 include/linux/swait.h | 1 -
 kernel/sched/swait.c  | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/swait.h b/include/linux/swait.h
index bf8cb0dee23c..d6a5e949e4ca 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -161,7 +161,6 @@ extern void swake_up(struct swait_queue_head *q);
 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);
 
diff --git a/kernel/sched/swait.c b/kernel/sched/swait.c
index b6fb2c3b3ff7..e68bb1398b05 100644
--- a/kernel/sched/swait.c
+++ b/kernel/sched/swait.c
@@ -69,7 +69,7 @@ void swake_up_all(struct swait_queue_head *q)
 }
 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))