From nobody Sun Feb 8 07:54:49 2026 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 B806A29187E; Thu, 19 Jun 2025 22:00:34 +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=1750370434; cv=none; b=e6XeTKAcQqPdEj5jqT6w5+9H+4x3wUaluOWzZWWKUKqVUjlI4v3VNHOlFi/Dte3Wr/FkwuqH80cEdzQVYTkuQPZgSHNt2E+3ZSCQk46VNsIqCQR2ZAcUOOurofjlSaKmbAP2FH0NU0Wb3KQXJspuUspyXJp1ZWEA9kW6S+T4cSo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750370434; c=relaxed/simple; bh=gncPAmp9X4uOKinuCsBckPc5W+YYA5SmjzqnymRxrxQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=MkYwgnPqWRw7itqL9jXkleJdkqjTq3AbIT90xnuvSBUkQ6/GvqfrxYwYpCl2A4oMzKUk1x5RSWJU0vZOXMWOxWdxm8oZU3eFhqcx6xNTlXJ40e4yEoxaP+UD6KjgM9JjLMT/okj4xwkukSFgVM69FJvIi/319Hh5NgmUCCeoUqk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f3mhJg1l; 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="f3mhJg1l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36519C4CEEE; Thu, 19 Jun 2025 22:00:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750370434; bh=gncPAmp9X4uOKinuCsBckPc5W+YYA5SmjzqnymRxrxQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f3mhJg1lE5Mw/oWXgvzSeZUyYE4TOy1VQx/Qh2VJluCl5Vn7MmUdEwFLc4e/FSZsL pdbuWKIjCnHOXnFHvruTofGhSAKi+z9MXdfD19ZCf/tBF1s3EyUtNvQ876O5jN/zEc GMLl+KPbb4MVGmvv481CEM6K3/f9OsJQYiHpj2MOOLehjRds7RPQuP3sXjA7k4e1sb FMZOBa28PwSb5FM2zWmSNvVDCKNX+hv7AAVWsgj916SuTYqc1vWgUjgAfNoJvYPOIj b/phKgDIFcE3AViSrm0uzefdJTlk5sS3XDxoK8paY5dIC9Rufz307eUgF/5Klw0Ch1 5FAJEZFDk5CfA== 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 05/11] mm/damon/sysfs-schemes: connect quota goal path file to DAMON core Date: Thu, 19 Jun 2025 15:00:17 -0700 Message-Id: <20250619220023.24023-6-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250619220023.24023-1-sj@kernel.org> References: <20250619220023.24023-1-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" Read and commit the user-specified cgroup information for DAMOS_QUOTA_NODE_MEMCG_USED_BP to DAMON core. Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 4a340baa72a4..89e5e40bdf63 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -1030,6 +1030,10 @@ static struct damos_sysfs_qgoal_metric_name damos_sy= sfs_qgoal_metric_names[] =3D .metric =3D DAMOS_QUOTA_NODE_MEM_FREE_BP, .name =3D "node_mem_free_bp", }, + { + .metric =3D DAMOS_QUOTA_NODE_MEMCG_USED_BP, + .name =3D "node_memcg_used_bp", + }, { .metric =3D DAMOS_QUOTA_ACTIVE_MEM_BP, .name =3D "active_mem_bp", @@ -2317,7 +2321,7 @@ static int damos_sysfs_add_quota_score( struct damos_quota *quota) { struct damos_quota_goal *goal; - int i; + int i, err; =20 for (i =3D 0; i < sysfs_goals->nr; i++) { struct damos_sysfs_quota_goal *sysfs_goal =3D @@ -2338,6 +2342,15 @@ static int damos_sysfs_add_quota_score( case DAMOS_QUOTA_NODE_MEM_FREE_BP: goal->nid =3D sysfs_goal->nid; break; + case DAMOS_QUOTA_NODE_MEMCG_USED_BP: + err =3D damon_sysfs_memcg_path_to_id( + sysfs_goal->path, &goal->memcg_id); + if (err) { + damos_destroy_quota_goal(goal); + return err; + } + goal->nid =3D sysfs_goal->nid; + break; default: break; } --=20 2.39.5