diff --git a/sys/compat/linuxkpi/common/include/linux/wait_bit.h b/sys/compat/linuxkpi/common/include/linux/wait_bit.h
index 17716583399f..66c1149da432 100644
--- a/sys/compat/linuxkpi/common/include/linux/wait_bit.h
+++ b/sys/compat/linuxkpi/common/include/linux/wait_bit.h
@@ -1,67 +1,73 @@
 /*-
  * Copyright (c) 2020 The FreeBSD Foundation
  *
  * This software was developed by Emmanuel Vadot under sponsorship
  * from the FreeBSD Foundation.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #ifndef __LINUXKPI_LINUX_WAITBIT_H__
 #define	__LINUXKPI_LINUX_WAITBIT_H__
 
 #include <linux/wait.h>
 #include <linux/bitops.h>
 
 extern wait_queue_head_t linux_bit_waitq;
 extern wait_queue_head_t linux_var_waitq;
 
 #define	wait_var_event_killable(var, cond) \
 	wait_event_killable(linux_var_waitq, cond)
 
 #define	wait_var_event_interruptible(var, cond) \
 	wait_event_interruptible(linux_var_waitq, cond)
 
 static inline void
 clear_and_wake_up_bit(int bit, void *word)
 {
 	clear_bit_unlock(bit, word);
 	wake_up_bit(word, bit);
 }
 
 static inline wait_queue_head_t *
 bit_waitqueue(void *word, int bit)
 {
 
 	return (&linux_bit_waitq);
 }
 
 static inline void
 wake_up_var(void *var)
 {
 
 	wake_up(&linux_var_waitq);
 }
 
+static inline wait_queue_head_t *
+__var_waitqueue(void *p)
+{
+	return (&linux_var_waitq);
+}
+
 #endif	/* __LINUXKPI_LINUX_WAITBIT_H__ */