mm/damon/tests/core-kunit: verify the 'age' field in damon_test_split_at()

Patch series "mm/damon/tests/core-kunit: extend existing test scenarios",
v2.

Improve the KUnit test coverage for DAMON.

The five patches in this series respectively extend damon_test_split_at(),
damon_test_merge_two(), damon_test_merge_regions_of(),
damon_test_split_regions_of(), and damos_test_commit_quota_goal().

This patch (of 5):

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

Link: https://lkml.kernel.org/r/20251224042200.2061847-1-shu17az@gmail.com
Link: https://lkml.kernel.org/r/20251224042200.2061847-2-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 f59ae7ee19a0cb9ef57be96f56a2240b04dc0704..88ec046f49426483193aed9ec5254122aafedb85 100644 (file)
--- 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);
 }