1 files changed, 13 insertions, 0 deletions

diff --git a/kernel/lockdep_internals.h b/kernel/lockdep_internals.h
index 55db193d366d..56b196932c08 100644
--- a/kernel/lockdep_internals.h
+++ b/kernel/lockdep_internals.h
@@ -50,8 +50,21 @@ extern unsigned int nr_process_chains;
 extern unsigned int max_lockdep_depth;
 extern unsigned int max_recursion_depth;
 
+#ifdef CONFIG_PROVE_LOCKING
 extern unsigned long lockdep_count_forward_deps(struct lock_class *);
 extern unsigned long lockdep_count_backward_deps(struct lock_class *);
+#else
+static inline unsigned long
+lockdep_count_forward_deps(struct lock_class *class)
+{
+        return 0;
+}
+static inline unsigned long
+lockdep_count_backward_deps(struct lock_class *class)
+{
+        return 0;
+}
+#endif
 
 #ifdef CONFIG_DEBUG_LOCKDEP
 /*