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mm-damon-sysfs-schemes-drop-centralized-filter-range-arg-validations.patch removed from -mm tree

merged mm-stable Andrew Morton 1 participant 1 message Oct 13 Stable branch

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The quilt patch titled
Subject: mm/damon/sysfs-schemes: drop centralized filter range arg validations
has been removed from the -mm tree. Its filename was
mm-damon-sysfs-schemes-drop-centralized-filter-range-arg-validations.patch

This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: SJ Park <[email protected]>
Subject: mm/damon/sysfs-schemes: drop centralized filter range arg validations
Date: Mon, 14 Sep 2026 07:23:22 -0700

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.

Link https://lore.kernel.org/[email protected] open here
Signed-off-by SJ Park <[email protected]>
Signed-off-by Andrew Morton <[email protected]>
Cc Brendan Higgins <[email protected]>
Cc David Gow <[email protected]>
Cc Usama Arif <[email protected]>
Cc <[email protected]>

---

 mm/damon/sysfs-schemes.c |   13 -------------
 1 file changed, 13 deletions(-)
mm/damon/sysfs-schemes.c renamed from mm/damon/sysfs-schemes.c~mm-damon-sysfs-schemes-drop-centralized-filter-range-arg-validations +0 -13
@@ -2832,27 +2832,14 @@ static int damon_sysfs_add_scheme_filter
 			}
 		} 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);

_

Patches currently in -mm which might be from [email protected] are

mm-damon-core-introduce-damos_quota_goal-complement.patch mm-damon-core-add-complement-argument-to-damos_new_quota_goal.patch mm-damon-sysfs-schemes-support-quota-goal-complement-flag.patch mm-damon-tests-core-kunit-test-quota_goal-complement-commit.patch selftests-damon-sysfssh-test-quota-goal-complement-flag-file.patch docs-mm-damon-design-document-damos-quota-goal-complement-flag.patch docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file.patch docs-abi-damon-update-for-quota-goal-metric-complement-sysfs-file.patch