1 files changed, 6 insertions, 2 deletions

diff --git a/kernel/wait.c b/kernel/wait.c
index a1d57aeb7f75..59a82f63275d 100644
--- a/kernel/wait.c
+++ b/kernel/wait.c
@@ -10,9 +10,13 @@
 #include <linux/wait.h>
 #include <linux/hash.h>
 
-struct lock_class_key waitqueue_lock_key;
+void init_waitqueue_head(wait_queue_head_t *q)
+{
+        spin_lock_init(&q->lock);
+        INIT_LIST_HEAD(&q->task_list);
+}
 
-EXPORT_SYMBOL(waitqueue_lock_key);
+EXPORT_SYMBOL(init_waitqueue_head);
 
 void fastcall add_wait_queue(wait_queue_head_t *q, wait_queue_t *wait)
 {