From: Xiaomeng Tong Subject: damon: vaddr-test: tweak code to make the logic clearer Move these two lines into the damon_for_each_region loop, it is always for testing the last region. And also avoid to use a list iterator 'r' outside the loop which is considered harmful[1]. [1]: https://lkml.org/lkml/2022/2/17/1032 Link: https://lkml.kernel.org/r/20220328115252.31675-1-xiam0nd.tong@gmail.com Signed-off-by: Xiaomeng Tong Reviewed-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/vaddr-test.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- a/mm/damon/vaddr-test.h~damon-vaddr-test-tweak-code-to-make-the-logic-clearer +++ a/mm/damon/vaddr-test.h @@ -281,14 +281,16 @@ static void damon_test_split_evenly_succ KUNIT_EXPECT_EQ(test, damon_nr_regions(t), nr_pieces); damon_for_each_region(r, t) { - if (i == nr_pieces - 1) + if (i == nr_pieces - 1) { + KUNIT_EXPECT_EQ(test, + r->ar.start, start + i * expected_width); + KUNIT_EXPECT_EQ(test, r->ar.end, end); break; + } KUNIT_EXPECT_EQ(test, r->ar.start, start + i++ * expected_width); KUNIT_EXPECT_EQ(test, r->ar.end, start + i * expected_width); } - KUNIT_EXPECT_EQ(test, r->ar.start, start + i * expected_width); - KUNIT_EXPECT_EQ(test, r->ar.end, end); damon_free_target(t); } _