[RFC PATCH 3/5] mm/damon/vaddr: support DAMON_FILTER_TYPE_PGIDLE_SET

[SJ Park <sj@kernel.org>]

Implement DAMON_FILTER_TYPE_PGIDLE_SET support on the virtual address
space DAMON operation set (vaddr).

Signed-off-by: SJ Park <sj@kernel.org>
---
 mm/damon/vaddr.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index 9a38dc89a156e..7063356370c34 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -550,6 +550,13 @@ static bool damon_va_filter_match(struct damon_filter *filter,
 			matched = damon_va_young_addr(folio, pte, pmd, mm,
 					addr);
 		break;
+	case DAMON_FILTER_TYPE_PGIDLE_SET:
+		if (!folio)
+			matched = false;
+		else
+			matched = !damon_va_young_addr(folio, pte, pmd, mm,
+					addr);
+		break;
 	default:
 		return damon_ops_filter_match(filter, folio);
 	}
-- 
2.47.3