[PATCH 3/3] include: linux: rculist_nulls: Add docbook comments

[madhuparnabhowmik04]

From: Madhuparna Bhowmik <madhuparnabhowmik04@xxxxxxxxx>

This patch adds docbook comment headers for hlist_nulls_first_rcu
and hlist_nulls_next_rcu in rculist_nulls.h.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@xxxxxxxxx>
---
 include/linux/rculist_nulls.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h
index bc8206a8f30e..111a90e98ad3 100644
--- a/include/linux/rculist_nulls.h
+++ b/include/linux/rculist_nulls.h
@@ -38,9 +38,17 @@ static inline void hlist_nulls_del_init_rcu(struct hlist_nulls_node *n)
 	}
 }
 
+/**
+ * hlist_nulls_first_rcu - returns the first element of the hash list.
+ * @head: the head of the list.
+ */
 #define hlist_nulls_first_rcu(head) \
 	(*((struct hlist_nulls_node __rcu __force **)&(head)->first))
 
+/**
+ * hlist_nulls_next_rcu - returns the element of the list after @node.
+ * @node: element of the list.
+ */
 #define hlist_nulls_next_rcu(node) \
 	(*((struct hlist_nulls_node __rcu __force **)&(node)->next))
 
-- 
2.17.1