[PATCH 5/8] mm/damon/sysfs-schemes: drop centralized filter range arg validations
From: SJ Park
Date: Mon Sep 14 2026 - 11:09:28 EST
DAMON sysfs interface is validating wrong range arguments for DAMOS
filters. Now the core layer is doing the same validation. Drop the
duplicated validation in DAMON sysfs interface.
Signed-off-by: SJ Park <sj@xxxxxxxxxx>
---
mm/damon/sysfs-schemes.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 8c8ab82c8facc..a4ec5d54cfbd1 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -2832,27 +2832,14 @@ static int damon_sysfs_add_scheme_filters(struct damos *scheme,
}
} else if (filter->type == DAMOS_FILTER_TYPE_ADDR) {
filter->addr_range = sysfs_filter->addr_range;
- if (filter->addr_range.end <
- filter->addr_range.start) {
- damos_destroy_filter(filter);
- return -EINVAL;
- }
} else if (filter->type == DAMOS_FILTER_TYPE_TARGET) {
filter->target_idx = sysfs_filter->target_idx;
} else if (filter->type == DAMOS_FILTER_TYPE_HUGEPAGE_SIZE) {
filter->sz_range.min = sysfs_filter->range_min;
filter->sz_range.max = sysfs_filter->range_max;
- if (filter->range_min > filter->range_max) {
- damos_destroy_filter(filter);
- return -EINVAL;
- }
} else if (filter->type == DAMOS_FILTER_TYPE_PROBE_HITS_WSUM) {
filter->range_min = sysfs_filter->range_min;
filter->range_max = sysfs_filter->range_max;
- if (filter->range_min > filter->range_max) {
- damos_destroy_filter(filter);
- return -EINVAL;
- }
}
damos_add_filter(scheme, filter);
--
2.47.3