From e56397e8c40da82c78dccb6f48bfa21e88ccb1e4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Date: Tue, 7 Feb 2023 19:21:15 +0000 Subject: [PATCH] mm/damon/sysfs: make kobj_type structures constant MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 definitions to prevent modification at runtime. Link: https://lkml.kernel.org/r/20230207-kobj_type-damon-v1-1-9d4fea6a465b@weissschuh.net Signed-off-by: Thomas Weißschuh Reviewed-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/sysfs-common.c | 2 +- mm/damon/sysfs-common.h | 4 ++-- mm/damon/sysfs-schemes.c | 18 +++++++++--------- mm/damon/sysfs.c | 22 +++++++++++----------- 4 files changed, 23 insertions(+), 23 deletions(-) diff --git a/mm/damon/sysfs-common.c b/mm/damon/sysfs-common.c index 52bebf242f74..70edf45c2174 100644 --- a/mm/damon/sysfs-common.c +++ b/mm/damon/sysfs-common.c @@ -99,7 +99,7 @@ static struct attribute *damon_sysfs_ul_range_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_ul_range); -struct kobj_type damon_sysfs_ul_range_ktype = { +const struct kobj_type damon_sysfs_ul_range_ktype = { .release = damon_sysfs_ul_range_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_ul_range_groups, diff --git a/mm/damon/sysfs-common.h b/mm/damon/sysfs-common.h index 604a6cbc3ede..db677eba78fd 100644 --- a/mm/damon/sysfs-common.h +++ b/mm/damon/sysfs-common.h @@ -21,7 +21,7 @@ struct damon_sysfs_ul_range *damon_sysfs_ul_range_alloc( unsigned long max); void damon_sysfs_ul_range_release(struct kobject *kobj); -extern struct kobj_type damon_sysfs_ul_range_ktype; +extern const struct kobj_type damon_sysfs_ul_range_ktype; /* * schemes directory @@ -36,7 +36,7 @@ struct damon_sysfs_schemes { struct damon_sysfs_schemes *damon_sysfs_schemes_alloc(void); void damon_sysfs_schemes_rm_dirs(struct damon_sysfs_schemes *schemes); -extern struct kobj_type damon_sysfs_schemes_ktype; +extern const struct kobj_type damon_sysfs_schemes_ktype; int damon_sysfs_set_schemes(struct damon_ctx *ctx, struct damon_sysfs_schemes *sysfs_schemes); diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 86edca66aab1..3cdad5a7f936 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -103,7 +103,7 @@ static struct attribute *damon_sysfs_scheme_region_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_scheme_region); -static struct kobj_type damon_sysfs_scheme_region_ktype = { +static const struct kobj_type damon_sysfs_scheme_region_ktype = { .release = damon_sysfs_scheme_region_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_scheme_region_groups, @@ -153,7 +153,7 @@ static struct attribute *damon_sysfs_scheme_regions_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_scheme_regions); -static struct kobj_type damon_sysfs_scheme_regions_ktype = { +static const struct kobj_type damon_sysfs_scheme_regions_ktype = { .release = damon_sysfs_scheme_regions_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_scheme_regions_groups, @@ -252,7 +252,7 @@ static struct attribute *damon_sysfs_stats_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_stats); -static struct kobj_type damon_sysfs_stats_ktype = { +static const struct kobj_type damon_sysfs_stats_ktype = { .release = damon_sysfs_stats_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_stats_groups, @@ -678,7 +678,7 @@ static struct attribute *damon_sysfs_watermarks_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_watermarks); -static struct kobj_type damon_sysfs_watermarks_ktype = { +static const struct kobj_type damon_sysfs_watermarks_ktype = { .release = damon_sysfs_watermarks_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_watermarks_groups, @@ -789,7 +789,7 @@ static struct attribute *damon_sysfs_weights_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_weights); -static struct kobj_type damon_sysfs_weights_ktype = { +static const struct kobj_type damon_sysfs_weights_ktype = { .release = damon_sysfs_weights_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_weights_groups, @@ -920,7 +920,7 @@ static struct attribute *damon_sysfs_quotas_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_quotas); -static struct kobj_type damon_sysfs_quotas_ktype = { +static const struct kobj_type damon_sysfs_quotas_ktype = { .release = damon_sysfs_quotas_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_quotas_groups, @@ -1019,7 +1019,7 @@ static struct attribute *damon_sysfs_access_pattern_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_access_pattern); -static struct kobj_type damon_sysfs_access_pattern_ktype = { +static const struct kobj_type damon_sysfs_access_pattern_ktype = { .release = damon_sysfs_access_pattern_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_access_pattern_groups, @@ -1279,7 +1279,7 @@ static struct attribute *damon_sysfs_scheme_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_scheme); -static struct kobj_type damon_sysfs_scheme_ktype = { +static const struct kobj_type damon_sysfs_scheme_ktype = { .release = damon_sysfs_scheme_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_scheme_groups, @@ -1396,7 +1396,7 @@ static struct attribute *damon_sysfs_schemes_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_schemes); -struct kobj_type damon_sysfs_schemes_ktype = { +const struct kobj_type damon_sysfs_schemes_ktype = { .release = damon_sysfs_schemes_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_schemes_groups, diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index aeb0beb1da91..33e1d5c9cb54 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -81,7 +81,7 @@ static struct attribute *damon_sysfs_region_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_region); -static struct kobj_type damon_sysfs_region_ktype = { +static const struct kobj_type damon_sysfs_region_ktype = { .release = damon_sysfs_region_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_region_groups, @@ -198,7 +198,7 @@ static struct attribute *damon_sysfs_regions_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_regions); -static struct kobj_type damon_sysfs_regions_ktype = { +static const struct kobj_type damon_sysfs_regions_ktype = { .release = damon_sysfs_regions_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_regions_groups, @@ -277,7 +277,7 @@ static struct attribute *damon_sysfs_target_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_target); -static struct kobj_type damon_sysfs_target_ktype = { +static const struct kobj_type damon_sysfs_target_ktype = { .release = damon_sysfs_target_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_target_groups, @@ -402,7 +402,7 @@ static struct attribute *damon_sysfs_targets_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_targets); -static struct kobj_type damon_sysfs_targets_ktype = { +static const struct kobj_type damon_sysfs_targets_ktype = { .release = damon_sysfs_targets_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_targets_groups, @@ -530,7 +530,7 @@ static struct attribute *damon_sysfs_intervals_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_intervals); -static struct kobj_type damon_sysfs_intervals_ktype = { +static const struct kobj_type damon_sysfs_intervals_ktype = { .release = damon_sysfs_intervals_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_intervals_groups, @@ -612,7 +612,7 @@ static struct attribute *damon_sysfs_attrs_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_attrs); -static struct kobj_type damon_sysfs_attrs_ktype = { +static const struct kobj_type damon_sysfs_attrs_ktype = { .release = damon_sysfs_attrs_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_attrs_groups, @@ -800,7 +800,7 @@ static struct attribute *damon_sysfs_context_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_context); -static struct kobj_type damon_sysfs_context_ktype = { +static const struct kobj_type damon_sysfs_context_ktype = { .release = damon_sysfs_context_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_context_groups, @@ -926,7 +926,7 @@ static struct attribute *damon_sysfs_contexts_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_contexts); -static struct kobj_type damon_sysfs_contexts_ktype = { +static const struct kobj_type damon_sysfs_contexts_ktype = { .release = damon_sysfs_contexts_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_contexts_groups, @@ -1564,7 +1564,7 @@ static struct attribute *damon_sysfs_kdamond_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_kdamond); -static struct kobj_type damon_sysfs_kdamond_ktype = { +static const struct kobj_type damon_sysfs_kdamond_ktype = { .release = damon_sysfs_kdamond_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_kdamond_groups, @@ -1707,7 +1707,7 @@ static struct attribute *damon_sysfs_kdamonds_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_kdamonds); -static struct kobj_type damon_sysfs_kdamonds_ktype = { +static const struct kobj_type damon_sysfs_kdamonds_ktype = { .release = damon_sysfs_kdamonds_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_kdamonds_groups, @@ -1757,7 +1757,7 @@ static struct attribute *damon_sysfs_ui_dir_attrs[] = { }; ATTRIBUTE_GROUPS(damon_sysfs_ui_dir); -static struct kobj_type damon_sysfs_ui_dir_ktype = { +static const struct kobj_type damon_sysfs_ui_dir_ktype = { .release = damon_sysfs_ui_dir_release, .sysfs_ops = &kobj_sysfs_ops, .default_groups = damon_sysfs_ui_dir_groups,