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authorThomas Gleixner <tglx@linutronix.de>2021-08-15 23:28:33 +0200
committerIngo Molnar <mingo@kernel.org>2021-08-17 18:24:31 +0200
commit43d2d52d704e025518d35c3079fcbff744623166 (patch)
tree3be25d5d3363140ee6cb0422ec2970c8489b453c
parenta321fb9038b335f3c447d1810b97d5f7eec152ac (diff)
downloadlinux-43d2d52d704e025518d35c3079fcbff744623166.tar.bz2
locking/mutex: Move the 'struct mutex_waiter' definition from <linux/mutex.h> to the internal header
Move the mutex waiter declaration from the public <linux/mutex.h> header to the internal kernel/locking/mutex.h header. There is no reason to expose it outside of the core code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20210815211304.054325923@linutronix.de
-rw-r--r--include/linux/mutex.h13
-rw-r--r--kernel/locking/mutex.h13
2 files changed, 13 insertions, 13 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index e19323521f9c..62bafee747e9 100644
--- 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) \
diff --git a/kernel/locking/mutex.h b/kernel/locking/mutex.h
index 586e4f1f6ebf..0b2a79c4013b 100644
--- 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@redhat.com>
*/
+/*
+ * 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);