Re: [PATCH 1/2] mm/swap: fix stale comment on swap_info_struct::cluster_info

[Barry Song]

On Tue, Jul 28, 2026 at 11:59 PM Youngjun Park <her0gyugyu@xxxxxxxxx> wrote:
>
> From: Youngjun Park <her0gyugyu@xxxxxxxxx>
>
> From: Youngjun Park <youngjun.park@xxxxxxx>
>
> setup_swap_clusters_info() allocates cluster_info for every swap area,
> not only for SSDs.
>
> Signed-off-by: Youngjun Park <youngjun.park@xxxxxxx>
> ---
>  include/linux/swap.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/swap.h b/include/linux/swap.h
> index 2cb1d29307c5..e12c73891b48 100644
> --- a/include/linux/swap.h
> +++ b/include/linux/swap.h
> @@ -246,7 +246,7 @@ struct swap_info_struct {
>         struct plist_node list;         /* entry in swap_active_head */
>         signed char     type;           /* strange name for an index */
>         unsigned int    max;            /* size of this swap device */
> -       struct swap_cluster_info *cluster_info; /* cluster info. Only for SSD */
> +       struct swap_cluster_info *cluster_info; /* one per cluster, on every device */

Do we still need "on every device", since it is on every device?

Thanks
Barry