Add a kunit test for confirming the change that is made on commit
c80f46ac228b ("mm/damon/core: disallow non-power of two min_region_sz")
functions as expected.Signed-off-by: SeongJae Park <[email protected]> --- mm/damon/tests/core-kunit.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h index 44a983fca9501..65181c6dac1b4 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -1060,6 +1060,27 @@ static void damon_test_commit_target_regions(struct kunit *test) (unsigned long[][2]) {{3, 8}, {8, 10}}, 2); } +static void damon_test_commit_ctx(struct kunit *test) +{ + struct damon_ctx *src, *dst; + + src = damon_new_ctx(); + if (!src) + kunit_skip(test, "src alloc fail"); + dst = damon_new_ctx(); + if (!dst) { + damon_destroy_ctx(src); + kunit_skip(test, "dst alloc fail"); + } + /* Only power of two min_region_sz is allowed. */ + src->min_region_sz = 4096; + KUNIT_EXPECT_EQ(test, damon_commit_ctx(dst, src), 0); + src->min_region_sz = 4095; + KUNIT_EXPECT_EQ(test, damon_commit_ctx(dst, src), -EINVAL); + damon_destroy_ctx(src); + damon_destroy_ctx(dst); +} + static void damos_test_filter_out(struct kunit *test) { struct damon_target *t; @@ -1316,6 +1337,7 @@ static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damos_test_commit_pageout), KUNIT_CASE(damos_test_commit_migrate_hot), KUNIT_CASE(damon_test_commit_target_regions), + KUNIT_CASE(damon_test_commit_ctx), KUNIT_CASE(damos_test_filter_out), KUNIT_CASE(damon_test_feed_loop_next_input), KUNIT_CASE(damon_test_set_filters_default_reject), -- 2.47.3
