#ifndef __LINUX_LOCKDEP_H
#define __LINUX_LOCKDEP_H
+struct task_struct;
+
#ifdef CONFIG_LOCKDEP
#include <linux/linkage.h>
# define INIT_LOCKDEP .lockdep_recursion = 0,
-#define lockdep_depth(tsk) ((tsk)->lockdep_depth)
+#define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0)
#else /* !LOCKDEP */