From fbec8a1e4fa4daf2611c9a3e3b29d03a73acbd0c Mon Sep 17 00:00:00 2001
From: SeongJae Park <sj@kernel.org>
Date: Tue, 13 Jan 2026 07:27:07 -0800
Subject: [PATCH] mm/damon/sysfs-schemes: support DAMOS_QUOTA_[IN]ACTIVE_MEM_BP

Add support of DAMOS_QUOTA_[IN]ACTIVE_MEM_BP on DAMON sysfs interface.
Users can use [in]active_mem_bp keyword input to the target_metric sysfs
file to use the new DAMOS quota auto-tune target metrics.

Link: https://lkml.kernel.org/r/20260113152717.70459-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: wang lian <lianux.mm@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/damon/sysfs-schemes.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index 419d6e7ee945c..2b05a64771884 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -1079,6 +1079,14 @@ struct damos_sysfs_qgoal_metric_name damos_sysfs_qgoal_metric_names[] = {
 		.metric = DAMOS_QUOTA_NODE_MEMCG_FREE_BP,
 		.name = "node_memcg_free_bp",
 	},
+	{
+		.metric = DAMOS_QUOTA_ACTIVE_MEM_BP,
+		.name = "active_mem_bp",
+	},
+	{
+		.metric = DAMOS_QUOTA_INACTIVE_MEM_BP,
+		.name = "inactive_mem_bp",
+	},
 };
 
 static ssize_t target_metric_show(struct kobject *kobj,
-- 
2.47.3