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b=JbG9g6fyfGlOu1n0zH18CPGPRRJxOc98hqCc2XeHvk/rMF49pRonYRVhwOntauLjD cTQSL/GH3WrXOe5iMvd88dd4L5E/4/h55njdLfDSYyy42XdzY57Y8qNE+WOtht6Owa Gjht85rtsueCy4P1z6Mw3cU2BMGdr0pUI2Lq7TmlWdcBkTtpcWXbpz9ktB6qwXXZg2 XMBHV2yM4SA1qhG4bba+7RmH1dKLcomVaOrphYv2gvgh/TPgSZdzrpvzmmCxljvhfb Z5fhIcYqSTmGQZVsBmN/rWy9M7Xf8dSo6Ie8YXT4KsM1H8n0JyReDxlawwjJWBpVT7 5gGzM+O7/7EKA== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Jonathan Corbet , damon@lists.linux.dev, kernel-team@meta.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 5/7] Docs/admin-guide/mm/damon/usage: document 'nid' file Date: Sun, 20 Apr 2025 12:40:28 -0700 Message-Id: <20250420194030.75838-6-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250420194030.75838-1-sj@kernel.org> References: <20250420194030.75838-1-sj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 2241A40003 X-Stat-Signature: 1c9phop1t4q1uqrqzcwfuknzrnr8f8mb X-Rspam-User: X-HE-Tag: 1745178042-559310 X-HE-Meta: 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 z+qm7EwV w0bpHh9U8XSxaIZtuiDFhiALxF6hUHCiidblP7bjGylLYQL3wV0YfQI2HBcvPlGhZoTS0GyTsgC2VTRmvhtvczXcDNwLxTm95WCBFWDe3c+APgs4rjb8zvmBALAMONmMomUBERpE/p+Hu3AFg1z/WV/48oq0Gt0+SrIocqooqEy0vR1hIu4k7HK128Z0Mkn7tpiQUxRHajp7jP8i3Udc+EeZqayPWaJlJsjOt0HzJF2iKoiuBLtYaF+oDh7WZ5afGmwELFyNJVAlWJPl/14rW8nq2eVIYXcXL2imbwVgfFnf/HAk= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add description of 'nid' file, which is optionally used for specific DAMOS quota goal metrics such as node_mem_{used,free}_bp on DAMON usage document. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index ced2013db3df..d960aba72b82 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -81,7 +81,7 @@ comma (","). │ │ │ │ │ │ │ :ref:`quotas `/ms,bytes,reset_interval_ms,effective_bytes │ │ │ │ │ │ │ │ weights/sz_permil,nr_accesses_permil,age_permil │ │ │ │ │ │ │ │ :ref:`goals `/nr_goals - │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value + │ │ │ │ │ │ │ │ │ 0/target_metric,target_value,current_value,nid │ │ │ │ │ │ │ :ref:`watermarks `/metric,interval_us,high,mid,low │ │ │ │ │ │ │ :ref:`{core_,ops_,}filters `/nr_filters │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max @@ -390,11 +390,11 @@ 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. -Each goal directory contains three files, namely ``target_metric``, -``target_value`` and ``current_value``. Users can set and get the three -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 +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 +: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 directory ` to pass the feedback to DAMON. -- 2.39.5