Supports of each DAMOS action 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 | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 7907918ad2e0..3fa96d7c9fe4 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -91,6 +91,12 @@ struct damon_target {
* @DAMOS_LRU_DEPRIO: Deprioritize the region on its LRU lists.
* @DAMOS_STAT: Do nothing but count the stat.
* @NR_DAMOS_ACTIONS: Total number of DAMOS actions
+ *
+ * The support of each action is up to running &struct damon_operations.
+ * &enum DAMON_OPS_VADDR and &enum DAMON_OPS_FVADDR supports all actions except
+ * &enum DAMOS_LRU_PRIO and &enum DAMOS_LRU_DEPRIO. &enum DAMON_OPS_PADDR
+ * supports only &enum DAMOS_PAGEOUT, &enum DAMOS_LRU_PRIO, &enum
+ * DAMOS_LRU_DEPRIO, and &DAMOS_STAT.
*/
enum damos_action {
DAMOS_WILLNEED,
--
2.25.1
