[RFC PATCH v1.3 11/18] mm/damon/tests/core-kunit: remove nr_accesses_bp setup and tests

From: SeongJae Park

Date: Mon Jun 22 2026 - 10:27:15 EST


DAMON core unit tests set up nr_accesses_bp for representing realistic
damon_region, and also test the field. nr_acceses_bp is no longer being
used for a real use case. Remove the setup and tests.

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
mm/damon/tests/core-kunit.h | 8 --------
1 file changed, 8 deletions(-)

diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index cdab14396250f..d1f019ab6fc25 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -118,7 +118,6 @@ static void damon_test_aggregate(struct kunit *test)
kunit_skip(test, "region alloc fail");
}
r->nr_accesses = accesses[it][ir];
- r->nr_accesses_bp = accesses[it][ir] * 10000;
damon_add_region(r, t);
}
it++;
@@ -155,7 +154,6 @@ static void damon_test_split_at(struct kunit *test)
damon_free_target(t);
kunit_skip(test, "region alloc fail");
}
- r->nr_accesses_bp = 420000;
r->nr_accesses = 42;
r->last_nr_accesses = 15;
r->age = 10;
@@ -168,7 +166,6 @@ static void damon_test_split_at(struct kunit *test)
KUNIT_EXPECT_EQ(test, r_new->ar.start, 25ul);
KUNIT_EXPECT_EQ(test, r_new->ar.end, 100ul);

- 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);
@@ -191,7 +188,6 @@ static void damon_test_merge_two(struct kunit *test)
kunit_skip(test, "region alloc fail");
}
r->nr_accesses = 10;
- r->nr_accesses_bp = 100000;
r->age = 9;
damon_add_region(r, t);
r2 = damon_new_region(100, 300);
@@ -200,7 +196,6 @@ static void damon_test_merge_two(struct kunit *test)
kunit_skip(test, "second region alloc fail");
}
r2->nr_accesses = 20;
- r2->nr_accesses_bp = 200000;
r2->age = 21;
damon_add_region(r2, t);

@@ -208,7 +203,6 @@ static void damon_test_merge_two(struct kunit *test)
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;
@@ -256,7 +250,6 @@ static void damon_test_merge_regions_of(struct kunit *test)
kunit_skip(test, "region alloc fail");
}
r->nr_accesses = nrs[i];
- r->nr_accesses_bp = nrs[i] * 10000;
damon_add_region(r, t);
}

@@ -556,7 +549,6 @@ static void damon_test_update_monitoring_result(struct kunit *test)
kunit_skip(test, "region alloc fail");

r->nr_accesses = 15;
- r->nr_accesses_bp = 150000;
r->age = 20;

new_attrs = (struct damon_attrs){
--
2.47.3