* [merged mm-hotfixes-stable] selftests-damon-damon_nr_regions-sort-collected-regiosn-before-checking-with-min-max-boundaries.patch removed from -mm tree
@ 2025-03-06 5:37 Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2025-03-06 5:37 UTC (permalink / raw)
To: mm-commits, stable, shuah, sj, akpm
The quilt patch titled
Subject: selftests/damon/damon_nr_regions: sort collected regiosn before checking with min/max boundaries
has been removed from the -mm tree. Its filename was
selftests-damon-damon_nr_regions-sort-collected-regiosn-before-checking-with-min-max-boundaries.patch
This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: selftests/damon/damon_nr_regions: sort collected regiosn before checking with min/max boundaries
Date: Tue, 25 Feb 2025 14:23:33 -0800
damon_nr_regions.py starts DAMON, periodically collect number of regions
in snapshots, and see if it is in the requested range. The check code
assumes the numbers are sorted on the collection list, but there is no
such guarantee. Hence this can result in false positive test success.
Sort the list before doing the check.
Link: https://lkml.kernel.org/r/20250225222333.505646-4-sj@kernel.org
Fixes: 781497347d1b ("selftests/damon: implement test for min/max_nr_regions")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/damon/damon_nr_regions.py | 1 +
1 file changed, 1 insertion(+)
--- a/tools/testing/selftests/damon/damon_nr_regions.py~selftests-damon-damon_nr_regions-sort-collected-regiosn-before-checking-with-min-max-boundaries
+++ a/tools/testing/selftests/damon/damon_nr_regions.py
@@ -65,6 +65,7 @@ def test_nr_regions(real_nr_regions, min
test_name = 'nr_regions test with %d/%d/%d real/min/max nr_regions' % (
real_nr_regions, min_nr_regions, max_nr_regions)
+ collected_nr_regions.sort()
if (collected_nr_regions[0] < min_nr_regions or
collected_nr_regions[-1] > max_nr_regions):
print('fail %s' % test_name)
_
Patches currently in -mm which might be from sj@kernel.org are
mm-damon-respect-core-layer-filters-allowance-decision-on-ops-layer.patch
mm-damon-core-initialize-damos-walk_completed-in-damon_new_scheme.patch
mm-madvise-split-out-mmap-locking-operations-for-madvise.patch
mm-madvise-split-out-madvise-input-validity-check.patch
mm-madvise-split-out-madvise-behavior-execution.patch
mm-madvise-remove-redundant-mmap_lock-operations-from-process_madvise.patch
mm-damon-avoid-applying-damos-action-to-same-entity-multiple-times.patch
mm-damon-core-unset-damos-walk_completed-after-confimed-set.patch
mm-damon-core-do-not-call-damos_walk_control-walk-if-walk-is-completed.patch
mm-damon-core-do-damos-walking-in-entire-regions-granularity.patch
mm-damon-introduce-damos-filter-type-hugepage_size-fix.patch
docs-mm-damon-design-fix-typo-on-damos-filters-usage-doc-link.patch
docs-mm-damon-design-document-hugepage_size-filter.patch
docs-damon-move-damos-filter-type-names-and-meaning-to-design-doc.patch
docs-mm-damon-design-clarify-handling-layer-based-filters-evaluation-sequence.patch
docs-mm-damon-design-categorize-damos-filter-types-based-on-handling-layer.patch
mm-damon-implement-a-new-damos-filter-type-for-unmapped-pages.patch
docs-mm-damon-design-document-unmapped-damos-filter-type.patch
mm-damon-add-data-structure-for-monitoring-intervals-auto-tuning.patch
mm-damon-core-implement-intervals-auto-tuning.patch
mm-damon-sysfs-implement-intervals-tuning-goal-directory.patch
mm-damon-sysfs-commit-intervals-tuning-goal.patch
mm-damon-sysfs-implement-a-command-to-update-auto-tuned-monitoring-intervals.patch
docs-mm-damon-design-document-for-intervals-auto-tuning.patch
docs-mm-damon-design-document-for-intervals-auto-tuning-fix.patch
docs-abi-damon-document-intervals-auto-tuning-abi.patch
docs-admin-guide-mm-damon-usage-add-intervals_goal-directory-on-the-hierarchy.patch
mm-damon-core-introduce-damos-ops_filters.patch
mm-damon-paddr-support-ops_filters.patch
mm-damon-core-support-committing-ops_filters.patch
mm-damon-core-put-ops-handled-filters-to-damos-ops_filters.patch
mm-damon-paddr-support-only-damos-ops_filters.patch
mm-damon-add-default-allow-reject-behavior-fields-to-struct-damos.patch
mm-damon-core-set-damos_filter-default-allowance-behavior-based-on-installed-filters.patch
mm-damon-paddr-respect-ops_filters_default_reject.patch
docs-mm-damon-design-update-for-changed-filter-default-behavior.patch
mm-damon-sysfs-schemes-let-damon_sysfs_scheme_set_filters-be-used-for-different-named-directories.patch
mm-damon-sysfs-schemes-implement-core_filters-and-ops_filters-directories.patch
mm-damon-sysfs-schemes-commit-filters-in-coreops_filters-directories.patch
mm-damon-core-expose-damos_filter_for_ops-to-damon-kernel-api-callers.patch
mm-damon-sysfs-schemes-record-filters-of-which-layer-should-be-added-to-the-given-filters-directory.patch
mm-damon-sysfs-schemes-return-error-when-for-attempts-to-install-filters-on-wrong-sysfs-directory.patch
docs-abi-damon-document-coreops_filters-directories.patch
docs-admin-guide-mm-damon-usage-update-for-coreops_filters-directories.patch
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2025-03-06 5:37 [merged mm-hotfixes-stable] selftests-damon-damon_nr_regions-sort-collected-regiosn-before-checking-with-min-max-boundaries.patch removed from -mm tree Andrew Morton
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