From nobody Sun Feb 8 17:43:44 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 9A005333457; Fri, 17 Oct 2025 21:27:16 +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=1760736436; cv=none; b=B+RSOw5xuTZ40I2zralDUbEp3VzJmjB5YPGCGA+fIvow3CM135X2rpqm8VbOe2kCQVaajVlJfyiPQpIqS/tmid2DyYmTZE2oHQ0XvUZ7SLQW6VCn5UKKaNGdeSQunQyKLRzF6Hx+G8tfHU34eMkqPIqPFrk6ehQB8MRQEAIaZXk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760736436; c=relaxed/simple; bh=host/mbZFT4OeHnIo2pSXmMweFfCPczlM3sHm3V1brI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Qi/juGrYMwp1A9aNSIQiLQNUZF2kEyKGvaUd257kzfrWxqGqg1ov/+Gm+4Op16XCe8EmKkfZMvaSzm+s+D3i7K9o0pZoZ2w9Z6pTW7GRKXnWDtzhCfgnxVGFnV/5Km8ymyAZvwGJ/j2k7Ut+zy+yGDqp9IPOfmZGtKtkNEkUVW0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BmDnI+Zp; 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="BmDnI+Zp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB1FCC4CEE7; Fri, 17 Oct 2025 21:27:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760736436; bh=host/mbZFT4OeHnIo2pSXmMweFfCPczlM3sHm3V1brI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BmDnI+ZpiNNPmsjHtEWSkv9ZcnwkWPozf2psauxop1e/pHt9eWGb85ceQ5fkLGlX6 LIbfkJ7IHB5rCN4/zZf3L8XpvpH6dGudQ9YXrd04Q5Shsz0yeSckPtbCpw6DLPdSLG H2qgY2WsgsBlxXvsjsfgfLtBt82eEn9Fij+ojuhTkbZRY4ltkmaLB6BZ35rGL7q1WB C77fXR7MQQMUZXq2aQevv7rTEtHZ8s0oxMZ6iQ5Dy2w1AjDYgiKBgAp886W74lLGnc NjXCWCZqBmVSC351gDh7hTNUJhvmXqDbrwHvQnDjAW3vs/+r5lbUMtwyLRpzwMyV7e iKQAsRf2zB57g== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , "Liam R. Howlett" , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 09/10] Docs/admin-guide/mm/damon/usage: document DAMOS quota goal path file Date: Fri, 17 Oct 2025 14:27:01 -0700 Message-ID: <20251017212706.183502-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251017212706.183502-1-sj@kernel.org> References: <20251017212706.183502-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable A new DAMON sysfs interface file, namely 'path' has been added under DAMOS quota goal directory, for specifying the cgroup for DAMOS_QUOTA_NODE_MEMCG_{USED,FREE}_BP metrics. Document it on the usage document. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/a= dmin-guide/mm/damon/usage.rst index eae534bc1bee..98958975604d 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -81,7 +81,7 @@ comma (","). =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = :ref:`quotas `/ms,bytes,reset_interval_ms,effective_bytes =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = =E2=94=82 weights/sz_permil,nr_accesses_permil,age_permil =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = =E2=94=82 :ref:`goals `/nr_goals - =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = =E2=94=82 =E2=94=82 0/target_metric,target_value,current_value,nid + =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = =E2=94=82 =E2=94=82 0/target_metric,target_value,current_value,nid,path =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = :ref:`watermarks `/metric,interval_us,high,mid,low =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = :ref:`{core_,ops_,}filters `/nr_filters =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 =E2=94=82 = =E2=94=82 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,m= in,max @@ -402,9 +402,9 @@ number (``N``) to the file creates the number of child = directories named ``0`` to ``N-1``. Each directory represents each goal and current achievement. Among the multiple feedback, the best one is used. =20 -Each goal directory contains four files, namely ``target_metric``, -``target_value``, ``current_value`` and ``nid``. Users can set and get the -four parameters for the quota auto-tuning goals that specified on the +Each goal directory contains five files, namely ``target_metric``, +``target_value``, ``current_value`` ``nid`` and ``path``. Users can set a= nd +get the five parameters for the quota auto-tuning goals that specified on = the :ref:`design doc ` by writing to and reading from each of the files. Note that users should further write ``commit_schemes_quota_goals`` to the ``state`` file of the :ref:`kdamond --=20 2.47.3