[RFC PATCH 8/9] mm/damon/tests/core-kunit: test eligible_mem_bp commitment

[SJ Park]

There was a DAMOS quota goal commit bug [1] that doesn't update the nid
field for DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP metric goal.  Add a kunit
test case for confirming nid commitment.

[1] https://lore.kkernel.org/20260827045035.94611-1-sj@xxxxxxxxxx

Signed-off-by: SJ Park <sj@xxxxxxxxxx>
---
 mm/damon/tests/core-kunit.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mm/damon/tests/core-kunit.h b/mm/damon/tests/core-kunit.h
index 5e8ead5ef8728..c2da4a3fbcafb 100644
--- a/mm/damon/tests/core-kunit.h
+++ b/mm/damon/tests/core-kunit.h
@@ -836,6 +836,9 @@ static void damos_test_commit_quota_goal_for(struct kunit *test,
 		KUNIT_EXPECT_EQ(test, dst->nid, src->nid);
 		KUNIT_EXPECT_EQ(test, dst->memcg_id, src->memcg_id);
 		break;
+	case DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP:
+		KUNIT_EXPECT_EQ(test, dst->nid, src->nid);
+		break;
 	default:
 		break;
 	}
@@ -900,6 +903,13 @@ static void damos_test_commit_quota_goal(struct kunit *test)
 			.current_value = 345,
 			.last_psi_total = 567,
 			});
+	damos_test_commit_quota_goal_for(test, &dst,
+			&(struct damos_quota_goal){
+			.metric = DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP,
+			.target_value = 12,
+			.current_value = 345,
+			.nid = 6,
+			});
 }
 
 static void damos_test_commit_quota_goals_for(struct kunit *test,
-- 
2.47.3