1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/wait.h b/include/linux/wait.h
index 1f4fb0a81ecd..33a2aa9e02f2 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -162,6 +162,22 @@ wait_queue_head_t *FASTCALL(bit_waitqueue(void *, int));
 #define wake_up_interruptible_all(x)    __wake_up(x, TASK_INTERRUPTIBLE, 0, NULL)
 #define wake_up_interruptible_sync(x)   __wake_up_sync((x), TASK_INTERRUPTIBLE, 1)
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+/*
+ * macro to avoid include hell
+ */
+#define wake_up_nested(x, s)                                            \
+do {                                                                    \
+        unsigned long flags;                                            \
+                                                                        \
+        spin_lock_irqsave_nested(&(x)->lock, flags, (s));               \
+        wake_up_locked(x);                                              \
+        spin_unlock_irqrestore(&(x)->lock, flags);                      \
+} while (0)
+#else
+#define wake_up_nested(x, s)            wake_up(x)
+#endif
+
 #define __wait_event(wq, condition)                                     \
 do {                                                                    \
         DEFINE_WAIT(__wait);                                            \