From nobody Fri Dec 19 12:05:53 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46D8D28689B; Thu, 9 Oct 2025 21:20:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760044856; cv=none; b=Dz7NCrrZ/z+YH4HzKGgdgU5Zchf6KvsIAwd+gxytJX7SSbXYOhUztJl+WmBR+gDVPaxZmwTZ1dpU1eOXFvqqA9HJvFyPGR/AhHomQBGPhSrZB/wVXgazW1SF7cG5/oQXmldu1p8BO/jxe5LVu+CI3ZlHuOfgq5pEKwXNji575UA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760044856; c=relaxed/simple; bh=LW/6mDf7N5tp3NVaa/MTw5MzAUr1eIrJZfX1KpNkybA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ZOLTmeSDy4dFqWlpaR9uJJHc2SYmtNjKybtUT5wUfZl1UA3Ly8D49NPsRMhpPe99r000ulC2/u1clpVsZrCUkObNuJwd7tzaQSaqVbydeUsRUmfOK4JtwhdWqzUtN+VN27Rt8oc6cTKLvJLJ0nW3i6sXnWVVU9BZUk5h86uM7mQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tz90siZg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tz90siZg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BA1CC116D0; Thu, 9 Oct 2025 21:20:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760044855; bh=LW/6mDf7N5tp3NVaa/MTw5MzAUr1eIrJZfX1KpNkybA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tz90siZgJeVmm6nJG5948QdV75YE3e3vx6SMoOo30urTFGr8SXMhYgE1BdGVItvUE ao0smPENqeNMT+3IRdPWVPkxrh63rfPjDqPIqecuGVQgdowuXFvPOtSEqlf6S3WU7w sIlL7ZjanGac5t9WD7wpXlJFwiy0yainSj6eVtsZEznYvZ0RJFXl5izlXaYz4INTZU 3EaBRmhJpQs+qKyjY14VqNVGzhYbjfRz++1EtaCBKfWoFtMuHcrzY0eI6n0qP55wKN PAe0T1j6IhOVZVGWfG4rCXmh9/jBzqt+mj0hDMRt6lx113NgKZX5COGYZJUzTCr7MZ q2rNXksuqaeXw== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2 07/10] mm/damon/sysfs-schemes: support DAMOS_QUOTA_NODE_MEMCG_FREE_BP Date: Thu, 9 Oct 2025 14:20:39 -0700 Message-Id: <20251009212042.60084-8-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20251009212042.60084-1-sj@kernel.org> References: <20251009212042.60084-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Extend DAMON sysfs to support DAMOS_QUOTA_NODE_MEMCG_FREE_BP. Signed-off-by: SeongJae Park --- 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 c679e62fd4b9..c98cf4bd2fbb 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -1034,6 +1034,10 @@ struct damos_sysfs_qgoal_metric_name damos_sysfs_qgo= al_metric_names[] =3D { .metric =3D DAMOS_QUOTA_NODE_MEMCG_USED_BP, .name =3D "node_memcg_used_bp", }, + { + .metric =3D DAMOS_QUOTA_NODE_MEMCG_FREE_BP, + .name =3D "node_memcg_free_bp", + }, }; =20 static ssize_t target_metric_show(struct kobject *kobj, @@ -2552,6 +2556,7 @@ static int damos_sysfs_add_quota_score( goal->nid =3D sysfs_goal->nid; break; case DAMOS_QUOTA_NODE_MEMCG_USED_BP: + case DAMOS_QUOTA_NODE_MEMCG_FREE_BP: err =3D damon_sysfs_memcg_path_to_id( sysfs_goal->path, &goal->memcg_id); if (err) { --=20 2.39.5