On Tue, 30 Jul 2024 at 14:11, Sughosh Ganu <sughosh.g...@linaro.org> wrote:
>
> 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.g...@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
> --
> 2.34.1
>
Reviewed-by: Ilias Apalodimas <ilias.apalodi...@linaro.org>
