Supports of each DAMOS filter type are up to DAMON operations set
implementation in use, but not well mentioned on the kernel-doc
comments. Add the comment.
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
include/linux/damon.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 3fa96d7c9fe4..dfb245bb3053 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -227,6 +227,11 @@ struct damos_stat {
* @DAMOS_FILTER_TYPE_ANON: Anonymous pages.
* @DAMOS_FILTER_TYPE_MEMCG: Specific memcg's pages.
* @NR_DAMOS_FILTER_TYPES: Number of filter types.
+ *
+ * The support of each filter type is up to running &struct damon_operations.
+ * &enum DAMON_OPS_PADDR is supporting all filter types, while
+ * &enum DAMON_OPS_VADDR and &enum DAMON_OPS_FVADDR are not supporting any
+ * filter types.
*/
enum damos_filter_type {
DAMOS_FILTER_TYPE_ANON,
--
2.25.1
