1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/wait.c b/kernel/wait.c
index 5985d86..59a82f6 100644
--- a/kernel/wait.c
+++ b/kernel/wait.c
@@ -10,6 +10,14 @@
 #include <linux/wait.h>
 #include <linux/hash.h>
 
+void init_waitqueue_head(wait_queue_head_t *q)
+{
+	spin_lock_init(&q->lock);
+	INIT_LIST_HEAD(&q->task_list);
+}
+
+EXPORT_SYMBOL(init_waitqueue_head);
+
 void fastcall add_wait_queue(wait_queue_head_t *q, wait_queue_t *wait)
 {
 	unsigned long flags;