#include <linux/sched.h>
#include <linux/rcupdate.h>
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-
extern struct lockdep_map rcu_trace_lock_map;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+
static inline int rcu_read_lock_trace_held(void)
{
return lock_is_held(&rcu_trace_lock_map);