Re: [PATCH 14/15] mm/swap: fix the comment of get_kernel_pages

[David Hildenbrand]

On 09.05.22 15:14, Miaohe Lin wrote:
> If no pages were pinned, 0 is returned in fact. Fix the corresponding
> comment.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> ---
>  mm/swap.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/swap.c b/mm/swap.c
> index 6d2c37f781f8..236b37663a1a 100644
> --- a/mm/swap.c
> +++ b/mm/swap.c
> @@ -168,8 +168,8 @@ EXPORT_SYMBOL(put_pages_list);
>   *
>   * Returns number of pages pinned. This may be fewer than the number
>   * requested. If nr_pages is 0 or negative, returns 0. If no pages

Ehm, there is only "nr_segs", no "nr_pages" :/ Want to fix that up in
the same patch?

> - * were pinned, returns -errno. Each page returned must be released
> - * with a put_page() call when it is finished with.
> + * were pinned, returns 0. Each page returned must be released with
> + * a put_page() call when it is finished with.
>   */
>  int get_kernel_pages(const struct kvec *kiov, int nr_segs, int write,
>  		struct page **pages)

Apart from that

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

-- 
Thanks,

David / dhildenb