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Howlett" , Andrew Morton , 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: [RFC PATCH 10/12] Docs/admin-guide/mm/damon/usage: update for max_nr_snapshots Date: Sun, 23 Nov 2025 10:43:24 -0800 Message-ID: <20251123184329.85287-11-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251123184329.85287-1-sj@kernel.org> References: <20251123184329.85287-1-sj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A358F140008 X-Stat-Signature: 1eq979cf6hiqc6474bw5ust6ey33qfn8 X-Rspam-User: X-HE-Tag: 1763923428-22098 X-HE-Meta: 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 CRVW4qX8 ++OAr8aeeJFnOx2zBuzWESnWtnWN7yYmuhLqbYjn8TIWoYdaf5PAJ5ex9RPOe3ywmX3y9h3peJW5UcZasDP9opdSP5b8Qoohkj7Z4fdOFB9Cm0M7tty2m22p+CSrRaXJgKwLhSepzoLMxv67lyKNr/F7cTdvolxDJym4J2u8cZNudYAE7psWI4TN1hLLzbnwQ/0tt/1gBOLJUdSRDn03QoJCyreQtBOFahMqd6RhSl7Ihi7x5PhWFOnZTDo6zStw7/kRBURjmsa8iyF5hfxG0v7eQ/acIucVYOOGd3M77jL5jjyb/3WD0bwEieKuvQ5+iqdg9tL3hszvUtZwnp/oQK+9VoQVawGsPpDUC 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: Update DAMON usage document for the newly added DAMON sysfs interface file, max_nr_snapshots. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/usage.rst | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index d0944bd78964..7da4c002cb39 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -87,7 +87,7 @@ comma (","). │ │ │ │ │ │ │ │ 0/type,matching,allow,memcg_path,addr_start,addr_end,target_idx,min,max │ │ │ │ │ │ │ :ref:`dests `/nr_dests │ │ │ │ │ │ │ │ 0/id,weight - │ │ │ │ │ │ │ :ref:`stats `/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots + │ │ │ │ │ │ │ :ref:`stats `/nr_tried,sz_tried,nr_applied,sz_applied,sz_ops_filter_passed,qt_exceeds,nr_snapshots,max_nr_snapshots │ │ │ │ │ │ │ :ref:`tried_regions `/total_bytes │ │ │ │ │ │ │ │ 0/start,end,nr_accesses,age,sz_filter_passed │ │ │ │ │ │ │ │ ... @@ -543,10 +543,11 @@ online analysis or tuning of the schemes. Refer to :ref:`design doc The statistics can be retrieved by reading the files under ``stats`` directory (``nr_tried``, ``sz_tried``, ``nr_applied``, ``sz_applied``, -``sz_ops_filter_passed``, ``qt_exceeds`` and ``nr_snapshots``), respectively. -The files are not updated in real time, so you should ask DAMON sysfs interface -to update the content of the files for the stats by writing a special keyword, -``update_schemes_stats`` to the relevant ``kdamonds//state`` file. +``sz_ops_filter_passed``, ``qt_exceeds``, ``nr_snapshots`` and +``max_nr_snapshots``), respectively. The files are not updated in real time, +so you should ask DAMON sysfs interface to update the content of the files for +the stats by writing a special keyword, ``update_schemes_stats`` to the +relevant ``kdamonds//state`` file. .. _sysfs_schemes_tried_regions: -- 2.47.3