linux-kernel - [RFC PATCH 10/11] mm/damon/sysfs-schemes: support DAMOS_QUOTA_NODE_MEMCG_FREE

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Message-Id: <20250619220023.24023-11-sj@kernel.org>
Date: Thu, 19 Jun 2025 15:00:22 -0700
From: SeongJae Park <sj@...nel.org>
To: 
Cc: SeongJae Park <sj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [RFC PATCH 10/11] mm/damon/sysfs-schemes: support DAMOS_QUOTA_NODE_MEMCG_FREE_BP

Let DAMON sysfs to support DAMOS_QUOTA_NODE_MEMCG_FREE_BP.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 mm/damon/sysfs-schemes.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 89e5e40bdf63..819e16151752 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -1034,6 +1034,10 @@ static struct damos_sysfs_qgoal_metric_name damos_sysfs_qgoal_metric_names[] =
 		.metric = DAMOS_QUOTA_NODE_MEMCG_USED_BP,
 		.name = "node_memcg_used_bp",
 	},
+	{
+		.metric = DAMOS_QUOTA_NODE_MEMCG_FREE_BP,
+		.name = "node_memcg_free_bp",
+	},
 	{
 		.metric = DAMOS_QUOTA_ACTIVE_MEM_BP,
 		.name = "active_mem_bp",
@@ -2343,6 +2347,7 @@ static int damos_sysfs_add_quota_score(
 			goal->nid = sysfs_goal->nid;
 			break;
 		case DAMOS_QUOTA_NODE_MEMCG_USED_BP:
+		case DAMOS_QUOTA_NODE_MEMCG_FREE_BP:
 			err = damon_sysfs_memcg_path_to_id(
 					sysfs_goal->path, &goal->memcg_id);
 			if (err) {
-- 
2.39.5