diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 67135d4a8a30e31fe2c72e69eaaf09b6d2521453..ebd5f1511690f101d506316499fe29893179ae38 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -171,6 +171,9 @@ static inline int srcu_read_lock_held(const struct srcu_struct *sp)
 
 /**
  * srcu_dereference_notrace - no tracing and no lockdep calls from here
+ * @p: the pointer to fetch and protect for later dereferencing
+ * @sp: pointer to the srcu_struct, which is used to check that we
+ *	really are in an SRCU read-side critical section.
  */
 #define srcu_dereference_notrace(p, sp) srcu_dereference_check((p), (sp), 1)