Commit 954157679ec3 ("mm/damon/core: disallow overlapping input ranges
for damon_set_regions()") disallowed passing overlapping input ranges to
damon_set_regions(). Add a kunit test case for the overlapping input.
Signed-off-by: SJ Park <[email protected]>
---
mm/damon/tests/core-kunit.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index ac15393a7935b..3041b8288ec26 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -606,6 +606,17 @@ static void damon_test_set_regions(struct kunit *test)
{.start = 42, .end = 21},
}, 1, 1,
(struct damon_addr_range[]){}, 0, -EINVAL);
+ /*
+ * Regions resulting in same region after alingment should return
+ * -EINVAL.
+ */
+ damon_test_set_regions_for(test,
+ (struct damon_addr_range[]){}, 0,
+ (struct damon_addr_range[]){
+ {.start = 10, .end = 20},
+ {.start = 20, .end = 30},
+ }, 2, 4096,
+ (struct damon_addr_range[]){}, 0, -EINVAL);
}
static void damon_test_update_monitoring_result(struct kunit *test)
--
2.47.3
