Index: head/sys/compat/linuxkpi/common/include/linux/wait.h
===================================================================
--- head/sys/compat/linuxkpi/common/include/linux/wait.h
+++ head/sys/compat/linuxkpi/common/include/linux/wait.h
@@ -119,6 +119,8 @@
 	INIT_LIST_HEAD(&(wqh)->task_list);				\
 } while (0)
 
+#define	__init_waitqueue_head(wqh, name, lk) init_waitqueue_head(wqh)
+
 void linux_init_wait_entry(wait_queue_t *, int);
 void linux_wake_up(wait_queue_head_t *, unsigned int, int, bool);