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-rw-r--r--include/linux/lockdep.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 819f08f1310d..da19aeb0dbe8 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -243,6 +243,8 @@ extern void lock_release(struct lockdep_map *lock, int nested,
# define INIT_LOCKDEP .lockdep_recursion = 0,
+#define lockdep_depth(tsk) ((tsk)->lockdep_depth)
+
#else /* !LOCKDEP */
static inline void lockdep_off(void)
@@ -277,6 +279,9 @@ static inline int lockdep_internal(void)
* The class key takes no space if lockdep is disabled:
*/
struct lock_class_key { };
+
+#define lockdep_depth(tsk) (0)
+
#endif /* !LOCKDEP */
#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_GENERIC_HARDIRQS)