From: Shu Anzai <shu17az@gmail.com>
To: SeongJae Park <sj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
damon@lists.linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, Shu Anzai <shu17az@gmail.com>
Subject: [PATCH v2 2/5] mm/damon/tests/core-kunit: verify the 'age' and 'nr_accesses_bp' fields in damon_test_merge_two()
Date: Wed, 24 Dec 2025 04:21:57 +0000 [thread overview]
Message-ID: <20251224042200.2061847-3-shu17az@gmail.com> (raw)
In-Reply-To: <20251224042200.2061847-1-shu17az@gmail.com>
Extend damon_test_merge_two() to verify the 'age' and
'nr_accesses_bp' fields.
Signed-off-by: Shu Anzai <shu17az@gmail.com>
---
mm/damon/tests/core-kunit.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 88ec046f4942..6e301113e103 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -192,6 +192,7 @@ static void damon_test_merge_two(struct kunit *test)
}
r->nr_accesses = 10;
r->nr_accesses_bp = 100000;
+ r->age = 9;
damon_add_region(r, t);
r2 = damon_new_region(100, 300);
if (!r2) {
@@ -200,12 +201,15 @@ static void damon_test_merge_two(struct kunit *test)
}
r2->nr_accesses = 20;
r2->nr_accesses_bp = 200000;
+ r2->age = 21;
damon_add_region(r2, t);
damon_merge_two_regions(t, r, r2);
KUNIT_EXPECT_EQ(test, r->ar.start, 0ul);
KUNIT_EXPECT_EQ(test, r->ar.end, 300ul);
KUNIT_EXPECT_EQ(test, r->nr_accesses, 16u);
+ KUNIT_EXPECT_EQ(test, r->nr_accesses_bp, 160000u);
+ KUNIT_EXPECT_EQ(test, r->age, 17u);
i = 0;
damon_for_each_region(r3, t) {
--
2.43.0
next prev parent reply other threads:[~2025-12-24 4:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-24 4:21 [PATCH v2 0/5] mm/damon/tests/core-kunit: extend existing test scenarios Shu Anzai
2025-12-24 4:21 ` [PATCH v2 1/5] mm/damon/tests/core-kunit: verify the 'age' field in damon_test_split_at() Shu Anzai
2025-12-24 5:26 ` SeongJae Park
2025-12-24 4:21 ` Shu Anzai [this message]
2025-12-24 5:27 ` [PATCH v2 2/5] mm/damon/tests/core-kunit: verify the 'age' and 'nr_accesses_bp' fields in damon_test_merge_two() SeongJae Park
2025-12-24 4:21 ` [PATCH v2 3/5] mm/damon/tests/core-kunit: add a test case for region merge size limit in damon_test_merge_regions_of() Shu Anzai
2025-12-24 5:29 ` SeongJae Park
2025-12-24 4:21 ` [PATCH v2 4/5] mm/damon/tests/core-kunit: add test cases for multiple regions in damon_test_split_regions_of() Shu Anzai
2025-12-24 5:34 ` SeongJae Park
2025-12-24 15:31 ` SeongJae Park
2025-12-24 4:22 ` [PATCH v2 5/5] mm/damon/tests/core-kunit: remove a redundant test case and add a new test case in damos_test_commit_quota_goal() Shu Anzai
2025-12-24 5:35 ` SeongJae Park
2025-12-24 5:38 ` [PATCH v2 0/5] mm/damon/tests/core-kunit: extend existing test scenarios SeongJae Park
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