diff --git a/sys/compat/linuxkpi/common/include/linux/lockdep.h b/sys/compat/linuxkpi/common/include/linux/lockdep.h
index d12bd049b820..8f9dfab1cd25 100644
--- a/sys/compat/linuxkpi/common/include/linux/lockdep.h
+++ b/sys/compat/linuxkpi/common/include/linux/lockdep.h
@@ -1,99 +1,101 @@
 /*-
  * Copyright (c) 2010 Isilon Systems, Inc.
  * Copyright (c) 2010 iX Systems, Inc.
  * Copyright (c) 2010 Panasas, Inc.
  * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
  * All rights reserved.
  *
  * 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 unmodified, 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 ``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 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 _LINUX_LOCKDEP_H_
 #define	_LINUX_LOCKDEP_H_
 
 #include <sys/lock.h>
 
 struct lock_class_key {
 };
 struct lockdep_map {
 };
+struct pin_cookie {
+};
 
 #define	lockdep_set_class(lock, key)
 #define	lockdep_set_subclass(lock, sub)
 #define	lockdep_set_class_and_name(lock, key, name)
 #define	lockdep_set_current_reclaim_state(g) do { } while (0)
 #define	lockdep_clear_current_reclaim_state() do { } while (0)
 #define	lockdep_init_map(_map, _name, _key, _x) do { } while(0)
 
 #ifdef INVARIANTS
 #define	lockdep_assert_held(m) do {					\
 	struct lock_object *__lock = (struct lock_object *)(m);		\
 	LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED);		\
 } while (0)
 
 #define	lockdep_assert_held_once(m) do {				\
 	struct lock_object *__lock = (struct lock_object *)(m);		\
 	LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED | LA_NOTRECURSED); \
 } while (0)
 
 static __inline bool
 lockdep_is_held(void *__m)
 {
 	struct lock_object *__lock;
 	struct thread *__td;
 
 	__lock = __m;
 	return (LOCK_CLASS(__lock)->lc_owner(__lock, &__td) != 0);
 }
 #define	lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
 
 #else
-#define	lockdep_assert_held(m) do { } while (0)
+#define	lockdep_assert_held(m) do { (void)(m); } while (0)
 
-#define	lockdep_assert_held_once(m) do { } while (0)
+#define	lockdep_assert_held_once(m) do { (void)(m); } while (0)
 
 #define	lockdep_is_held(m)	1
 #define	lockdep_is_held_type(_m, _t)	1
 #endif
 
 #define	might_lock(m)	do { } while (0)
 #define	might_lock_read(m) do { } while (0)
 #define	might_lock_nested(m, n) do { } while (0)
 
 #define	lock_acquire(...) do { } while (0)
 #define	lock_release(...) do { } while (0)
 #define	lock_acquire_shared_recursive(...) do { } while (0)
 
 #define	mutex_acquire(...) do { } while (0)
 #define	mutex_release(...) do { } while (0)
 
 #define	lock_map_acquire(_map) do { } while (0)
 #define	lock_map_acquire_read(_map) do { } while (0)
 #define	lock_map_release(_map) do { } while (0)
 
-#define	lockdep_pin_lock(l) do { } while (0)
-#define	lockdep_repin_lock(l,c) do { } while (0)
-#define	lockdep_unpin_lock(l,c) do { } while (0)
+#define	lockdep_pin_lock(l) ({ struct pin_cookie __pc = { }; __pc; })
+#define	lockdep_repin_lock(l,c) do { (void)(l); (void)(c); } while (0)
+#define	lockdep_unpin_lock(l,c) do { (void)(l); (void)(c); } while (0)
 
 #endif /* _LINUX_LOCKDEP_H_ */