Hi Thomas, On Fri, 24 Mar 2023 15:35:27 +0000 "Thomas Weißschuh" <linux@xxxxxxxxxxxxxx> wrote: > Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.") > the driver core allows the usage of const struct kobj_type. > > Take advantage of this to constify the structure definition to prevent > modification at runtime. > > These structures were not constified in > commit e56397e8c40d ("mm/damon/sysfs: make kobj_type structures constant") > as they didn't exist when that patch was written. Thank you for catching this! > > Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> Reviewed-by: SeongJae Park <sj@xxxxxxxxxx> Thanks, SJ > --- > mm/damon/sysfs-schemes.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c > index 3cdad5a7f936..50cf89dcd898 100644 > --- a/mm/damon/sysfs-schemes.c > +++ b/mm/damon/sysfs-schemes.c > @@ -384,7 +384,7 @@ static struct attribute *damon_sysfs_scheme_filter_attrs[] = { > }; > ATTRIBUTE_GROUPS(damon_sysfs_scheme_filter); > > -static struct kobj_type damon_sysfs_scheme_filter_ktype = { > +static const struct kobj_type damon_sysfs_scheme_filter_ktype = { > .release = damon_sysfs_scheme_filter_release, > .sysfs_ops = &kobj_sysfs_ops, > .default_groups = damon_sysfs_scheme_filter_groups, > @@ -503,7 +503,7 @@ static struct attribute *damon_sysfs_scheme_filters_attrs[] = { > }; > ATTRIBUTE_GROUPS(damon_sysfs_scheme_filters); > > -static struct kobj_type damon_sysfs_scheme_filters_ktype = { > +static const struct kobj_type damon_sysfs_scheme_filters_ktype = { > .release = damon_sysfs_scheme_filters_release, > .sysfs_ops = &kobj_sysfs_ops, > .default_groups = damon_sysfs_scheme_filters_groups, > > --- > base-commit: 1e760fa3596e8c7f08412712c168288b79670d78 > change-id: 20230324-b4-kobj_type-damon2-0238ee9e8d8c > > Best regards, > -- > Thomas Weißschuh <linux@xxxxxxxxxxxxxx>