linux-kernel - [PATCH v2 1/5] mm/damon/tests/core-kunit: verify the 'age' field in damon_test_split

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Message-ID: <20251224042200.2061847-2-shu17az@gmail.com>
Date: Wed, 24 Dec 2025 04:21:56 +0000
From: Shu Anzai <shu17az@...il.com>
To: SeongJae Park <sj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	damon@...ts.linux.dev,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Shu Anzai <shu17az@...il.com>
Subject: [PATCH v2 1/5] mm/damon/tests/core-kunit: verify the 'age' field in damon_test_split_at()

Extend damon_test_split_at() to verify the 'age' field.

Signed-off-by: Shu Anzai <shu17az@...il.com>
---
 mm/damon/tests/core-kunit.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index f59ae7ee19a0..88ec046f4942 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -158,6 +158,7 @@ static void damon_test_split_at(struct kunit *test)
 	r->nr_accesses_bp = 420000;
 	r->nr_accesses = 42;
 	r->last_nr_accesses = 15;
+	r->age = 10;
 	damon_add_region(r, t);
 	damon_split_region_at(t, r, 25);
 	KUNIT_EXPECT_EQ(test, r->ar.start, 0ul);
@@ -170,6 +171,7 @@ static void damon_test_split_at(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, r->nr_accesses_bp, r_new->nr_accesses_bp);
 	KUNIT_EXPECT_EQ(test, r->nr_accesses, r_new->nr_accesses);
 	KUNIT_EXPECT_EQ(test, r->last_nr_accesses, r_new->last_nr_accesses);
+	KUNIT_EXPECT_EQ(test, r->age, r_new->age);
 
 	damon_free_target(t);
 }
-- 
2.43.0