linux-kernel - [PATCH 1/8] mm/damon/core: update kernel-doc comments for DAMOS action supports of each DAMON operations set

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Date:   Tue, 10 Jan 2023 19:03:53 +0000
From:   SeongJae Park <sj@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     SeongJae Park <sj@...nel.org>, damon@...ts.linux.dev,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/8] mm/damon/core: update kernel-doc comments for DAMOS action supports of each DAMON operations set

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@...nel.org>
---
 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