Add a function to count the nodes of a list.
Taken from linux 6.11-rc1 tag commit 8400291e289e.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org --- include/linux/list.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/include/linux/list.h b/include/linux/list.h index 6910721c00..0f9d939b05 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -547,6 +547,21 @@ static inline void list_splice_tail_init(struct list_head *list, &pos->member != (head); \ pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+/** + * list_count_nodes - count nodes in the list + * @head: the head for your list. + */ +static inline size_t list_count_nodes(struct list_head *head) +{ + struct list_head *pos; + size_t count = 0; + + list_for_each(pos, head) + count++; + + return count; +} + /* * Double linked lists with a single pointer list head. * Mostly useful for hash tables where the two pointer list head is