[patch 33/63] locking/mutex: Move waiter to core header

[Thomas Gleixner]

From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Move the mutex waiter declaration from the global to the core local
header. There is no reason to expose it outside of the core code.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 include/linux/mutex.h  |   13 -------------
 kernel/locking/mutex.h |   13 +++++++++++++
 2 files changed, 13 insertions(+), 13 deletions(-)
---
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -74,19 +74,6 @@ struct ww_mutex {
 #endif
 };
 
-/*
- * This is the control structure for tasks blocked on mutex,
- * which resides on the blocked task's kernel stack:
- */
-struct mutex_waiter {
-	struct list_head	list;
-	struct task_struct	*task;
-	struct ww_acquire_ctx	*ww_ctx;
-#ifdef CONFIG_DEBUG_MUTEXES
-	void			*magic;
-#endif
-};
-
 #ifdef CONFIG_DEBUG_MUTEXES
 
 #define __DEBUG_MUTEX_INITIALIZER(lockname)				\
--- a/kernel/locking/mutex.h
+++ b/kernel/locking/mutex.h
@@ -7,6 +7,19 @@
  *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@xxxxxxxxxx>
  */
 
+/*
+ * This is the control structure for tasks blocked on mutex, which resides
+ * on the blocked task's kernel stack:
+ */
+struct mutex_waiter {
+	struct list_head	list;
+	struct task_struct	*task;
+	struct ww_acquire_ctx	*ww_ctx;
+#ifdef CONFIG_DEBUG_MUTEXES
+	void			*magic;
+#endif
+};
+
 #ifdef CONFIG_DEBUG_MUTEXES
 extern void debug_mutex_lock_common(struct mutex *lock,
 				    struct mutex_waiter *waiter);