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

On Tue, Aug 04, 2026 at 05:51:52PM +0800, Barry Song wrote:
> On Tue, Jul 28, 2026 at 11:59 PM Youngjun Park <[email protected]> wrote:
> >
> > From: Youngjun Park <[email protected]>
> >
> > From: Youngjun Park <[email protected]>
> >
> > setup_swap_clusters_info() allocates cluster_info for every swap area,
> > not only for SSDs.
> >
> > Signed-off-by: Youngjun Park <[email protected]>
> > ---
> >  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

Hi Barry!

Right, Will trim it to /* one per cluster *

Youngjun