diff --git a/sys/compat/linuxkpi/common/include/linux/lockdep.h b/sys/compat/linuxkpi/common/include/linux/lockdep.h
--- a/sys/compat/linuxkpi/common/include/linux/lockdep.h
+++ b/sys/compat/linuxkpi/common/include/linux/lockdep.h
@@ -52,6 +52,9 @@
 #define	lockdep_unregister_key(key) do { } while(0)
 
 #ifdef INVARIANTS
+#define	lockdep_assert(cond) do { WARN_ON(!cond); } while (0)
+#define	lockdep_assert_once(cond) do { WARN_ON_ONCE(!cond); } while (0)
+
 #define	lockdep_assert_not_held(m) do {					\
 	struct lock_object *__lock = (struct lock_object *)(m);		\
 	LOCK_CLASS(__lock)->lc_assert(__lock, LA_UNLOCKED);		\
@@ -81,6 +84,9 @@
 #define	lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
 
 #else
+#define	lockdep_assert(cond) do { } while (0)
+#define	lockdep_assert_once(cond) do { } while (0)
+
 #define	lockdep_assert_not_held(m) do { (void)(m); } while (0)
 #define	lockdep_assert_held(m) do { (void)(m); } while (0)
 #define	lockdep_assert_none_held_once() do { } while (0)