diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3f1fafc..e53d2c6 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1027,7 +1027,7 @@
 {
 	if (!PageHighMem(page) && !enable)
 		mutex_debug_check_no_locks_freed(page_address(page),
-						 page_address(page + numpages));
+						 numpages * PAGE_SIZE);
 }
 #endif
 
diff --git a/include/linux/mutex-debug.h b/include/linux/mutex-debug.h
index 8138d9eb..8b5769f 100644
--- a/include/linux/mutex-debug.h
+++ b/include/linux/mutex-debug.h
@@ -18,6 +18,6 @@
 extern void mutex_debug_show_all_locks(void);
 extern void mutex_debug_show_held_locks(struct task_struct *filter);
 extern void mutex_debug_check_no_locks_held(struct task_struct *task);
-extern void mutex_debug_check_no_locks_freed(const void *from, const void *to);
+extern void mutex_debug_check_no_locks_freed(const void *from, unsigned long len);
 
 #endif
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index f1c84b1..f1ac507 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -79,7 +79,7 @@
 # define mutex_debug_show_all_locks()			do { } while (0)
 # define mutex_debug_show_held_locks(p)			do { } while (0)
 # define mutex_debug_check_no_locks_held(task)		do { } while (0)
-# define mutex_debug_check_no_locks_freed(from, to)	do { } while (0)
+# define mutex_debug_check_no_locks_freed(from, len)	do { } while (0)
 #endif
 
 #define __MUTEX_INITIALIZER(lockname) \