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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



  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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