mm-damon-core-disallow-max-min-damos-filter-range-arguments-commit.patch removed from -mm tree

The quilt patch titled
Subject: mm/damon/core: disallow max < min damos filter range arguments commit
has been removed from the -mm tree. Its filename was
mm-damon-core-disallow-max-min-damos-filter-range-arguments-commit.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/core: disallow max < min damos filter range arguments commit
Date: Mon, 14 Sep 2026 07:23:21 -0700

damos_commit_filter_arg() receives range arguments for a few types of DAMOS filters. It allows any range including max < min range. It is fine for the logic, but makes no sense to support it. Actually DAMON sysfs interface is doing the validation on its own. To avoid duplicated validations in multiple DAMON API callers, it would be better to do the validation in the core layer. Add a validation of the given range.

---

 mm/damon/core.c |    6 ++++++
 1 file changed, 6 insertions(+)

@@ -1325,15 +1325,21 @@ static int damos_commit_filter_arg(
 		dst->memcg_id = src->memcg_id;
 		break;
 	case DAMOS_FILTER_TYPE_ADDR:
+		if (src->addr_range.end < src->addr_range.start)
+			return -EINVAL;
 		dst->addr_range = src->addr_range;
 		break;
 	case DAMOS_FILTER_TYPE_TARGET:
 		dst->target_idx = src->target_idx;
 		break;
 	case DAMOS_FILTER_TYPE_HUGEPAGE_SIZE:
+		if (src->sz_range.max < src->sz_range.min)
+			return -EINVAL;
 		dst->sz_range = src->sz_range;
 		break;
 	case DAMOS_FILTER_TYPE_PROBE_HITS_WSUM:
+		if (src->range_max < src->range_min)
+			return -EINVAL;
 		dst->range_min = src->range_min;
 		dst->range_max = src->range_max;
 		break;

_

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