[RFC PATCH v4 3/4] mm/damon/sysfs: support hugepage_mem_bp quota goal metric
From: gutierrez.asier
Date: Thu Jun 11 2026 - 11:05:38 EST
From: Asier Gutierrez <gutierrez.asier@xxxxxxxxxxxxxxxxxxx>
Add the "hugepage_mem_bp" to the sysfs-schemes interface. Also handle
DAMOS_QUOTA_HUGEPAGE_MEM_BP when constructing quota goals.
Signed-off-by: Asier Gutierrez <gutierrez.asier@xxxxxxxxxxxxxxxxxxx>
---
mm/damon/sysfs-schemes.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 329cfd0bbe9f..dc46ec128083 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -1267,6 +1267,10 @@ struct damos_sysfs_qgoal_metric_name damos_sysfs_qgoal_metric_names[] = {
.metric = DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP,
.name = "node_eligible_mem_bp",
},
+ {
+ .metric = DAMOS_QUOTA_HUGEPAGE_MEM_BP,
+ .name = "hugepage_mem_bp",
+ },
};
static ssize_t target_metric_show(struct kobject *kobj,
@@ -2877,6 +2881,9 @@ static int damos_sysfs_add_quota_score(
case DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP:
goal->nid = sysfs_goal->nid;
break;
+ case DAMOS_QUOTA_HUGEPAGE_MEM_BP:
+ goal->current_value = sysfs_goal->current_value;
+ break;
default:
break;
}
--
2.43.0