On Wed, 4 Sep 2024 11:47:29 +0100 Ryan Roberts <ryan.roberts@xxxxxxx> wrote: > >> +static struct attribute *any_ctrl_attrs[] = { > >> + NULL, > >> +}; > >> + > >> +static const struct attribute_group any_ctrl_attr_grp = { > >> + .attrs = any_ctrl_attrs, > >> }; > > > > I wonder why adding a NULL group? Was this review comment addressed? > > ... > > >> + &shmem_alloc_attr.attr, > >> + &shmem_fallback_attr.attr, > >> + &shmem_fallback_charge_attr.attr, > >> +#endif > >> + NULL, > >> +}; > >> + > >> +static struct attribute_group file_stats_attr_grp = { > >> + .name = "stats", > >> + .attrs = file_stats_attrs, > >> +}; > >> + > >> +static struct attribute *any_stats_attrs[] = { > >> +#ifdef CONFIG_SHMEM > >> + &swpout_attr.attr, > >> + &swpout_fallback_attr.attr, > >> +#endif > > > > Sorry I did not point it out in early version. I think file pages and shmem can > > also be split, while 'split_deferred' is only for anonymous page. So I think the > > any_stats_attrs should be: > > static struct attribute *any_stats_attrs[] = { > > #ifdef CONFIG_SHMEM > > &swpout_attr.attr, > > &swpout_fallback_attr.attr, > > #endif > > &split_attr.attr, > > &split_failed_attr.attr, > > NULL, > > }; > > Could you please squash the following into this patch, which is already in > mm-unstable? I'm hoping this sufficient and I don't need to send a whole new > revision since there are changes on top of this in mm-unstable, which makes > things tricky. I did that. Please send along a Signoff and a changelog?