From: Shu Anzai <shu17az@gmail.com>
Date: Wed, 24 Dec 2025 04:21:57 +0000 (+0000)
Subject: mm/damon/tests/core-kunit: verify the 'age' and 'nr_accesses_bp' fields in damon_test... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=738dae96b2fb69c15c99f95ed0044bc12830dcba;p=thirdparty%2Flinux.git

mm/damon/tests/core-kunit: verify the 'age' and 'nr_accesses_bp' fields in damon_test_merge_two()

Extend damon_test_merge_two() to verify the 'age' and 'nr_accesses_bp'
fields.

Link: https://lkml.kernel.org/r/20251224042200.2061847-3-shu17az@gmail.com
Signed-off-by: Shu Anzai <shu17az@gmail.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 88ec046f49426..6e301113e103b 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) {