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| author | Shu Anzai <shu17az@gmail.com> | 2025-12-24 07:21:58 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-01-21 06:24:53 +0300 |
| commit | 65a17a3e609f63c7ea2887096dc232a6c05d02a2 (patch) | |
| tree | 0264d2e9b3a31a26983f2d38529d1cc5bef12186 | |
| parent | 738dae96b2fb69c15c99f95ed0044bc12830dcba (diff) | |
| download | linux-65a17a3e609f63c7ea2887096dc232a6c05d02a2.tar.xz | |
mm/damon/tests/core-kunit: add a test case for region merge size limit in damon_test_merge_regions_of()
Add a test case in damon_test_merge_regions_of() to verify that two
adjacent regions are not merged if the resulting region would exceed the
specified size limit.
Link: https://lkml.kernel.org/r/20251224042200.2061847-4-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>
| -rw-r--r-- | mm/damon/tests/core-kunit.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h index 6e301113e103..2eb6f41635a8 100644 --- a/mm/damon/tests/core-kunit.h +++ b/mm/damon/tests/core-kunit.h @@ -238,12 +238,12 @@ static void damon_test_merge_regions_of(struct kunit *test) { struct damon_target *t; struct damon_region *r; - unsigned long sa[] = {0, 100, 114, 122, 130, 156, 170, 184}; - unsigned long ea[] = {100, 112, 122, 130, 156, 170, 184, 230}; - unsigned int nrs[] = {0, 0, 10, 10, 20, 30, 1, 2}; + unsigned long sa[] = {0, 100, 114, 122, 130, 156, 170, 184, 230}; + unsigned long ea[] = {100, 112, 122, 130, 156, 170, 184, 230, 10170}; + unsigned int nrs[] = {0, 0, 10, 10, 20, 30, 1, 2, 5}; - unsigned long saddrs[] = {0, 114, 130, 156, 170}; - unsigned long eaddrs[] = {112, 130, 156, 170, 230}; + unsigned long saddrs[] = {0, 114, 130, 156, 170, 230}; + unsigned long eaddrs[] = {112, 130, 156, 170, 230, 10170}; int i; t = damon_new_target(); @@ -261,9 +261,9 @@ static void damon_test_merge_regions_of(struct kunit *test) } damon_merge_regions_of(t, 9, 9999); - /* 0-112, 114-130, 130-156, 156-170 */ - KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 5u); - for (i = 0; i < 5; i++) { + /* 0-112, 114-130, 130-156, 156-170, 170-230, 230-10170 */ + KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 6u); + for (i = 0; i < 6; i++) { r = __nth_region_of(t, i); KUNIT_EXPECT_EQ(test, r->ar.start, saddrs[i]); KUNIT_EXPECT_EQ(test, r->ar.end, eaddrs[i]); |