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Howlett" , Andrew Morton , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Shuah Khan , 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 v2 2/2] Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter Date: Sat, 25 Apr 2026 13:33:07 -0700 Message-ID: <20260425203309.108879-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260425203309.108879-1-sj@kernel.org> References: <20260425203309.108879-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: sos5frdk6hj5xns6ayuodzntaxws1hjy X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 9A53914000D X-Rspam-User: X-HE-Tag: 1777149200-556045 X-HE-Meta: U2FsdGVkX1/TdpPrMnWfrHiCxruVIm+PvCzjTwDvgIIf8wpJ3Z6xmtRBOrcRMHNFPDNZBq26rXV4Dnmy+ex6+SxK4ac2AFXOCmBJChNTNmr0pNyVndWvu35FlCTR6vryAEJk2eFFamS2xSO49NQhTqB/xoLhqlYMlZ1ZqAH/SkHObU2tsurxSZW3IW9PbqHjiW6jM2+Ey7NfXkTutiKGqvLUlIO74RBQ5yr1nRxb07P08BzaUg3IbyFst2yVev5c+b0uK86z+42MXFMCV6PVoTGO+YjkMjnKt9oErOKM8qM86ls9pj1aI6Zuk1CYCze6t9dMdReomHqUZUqrX9tI5C2Zm3PZzSzn8g+rJL6Fsc/dNQ1fsZpAoC0pywxl1dH+sezBwLWK59dEGsyyXPgEIM125N/KulczUqCPo1o8hZIJ3LFgChOtGlJhRPrkF4gtZm4/AVgvdzqfSRuM5DNsY5Qgg55ZDmawIK0PNTRqQJrtOS88ZCZsMQ1VRwuxQjgwAma7t1yOdm6hS6FE2m12rVS1yPQP9qc+LPLwYi2TeOFA1VV8vWbW+kz0KFZcBKDSSYlWwbVP4FYfsrap6A+Ya2XiYwDlCBsr7QNGqXFWlRfqN8K9EO9fzb5+x23ZBZpJuVawSL63z9LjWanBnp6A1Iyxq7vwmjbKuBWknH2gA6iuaSY4o2GmCJUhjB4G2FTCfjPSzBkaCSat+k4B65vXVH5dItjIeFu70Qu1tOwr3TDKlD8Cx3kFQba+Tuohgsa+Np9La3JQJ7+0Bczn11oIXLE+r2O1UZ++vvgp3Rf/Asd12l82xcNcFIr3nYre93B9AsEdYcuPRcHy6kyde20HfrwKKwf8tyW5/vslFFfsjd14Yr+0fPkcaBoUxxrJRdCQ7FJCjgUYTLdC3WpZCXNn5yBpbhFMPqKZKi1cDzT7sKiiACF+QAXQCs/lh2OYFCuU5zhKeLde+wbWCi6s+NH LV8CSUkl hpMiFGLEsC/5EJRwGZAxZbnxHGFFU2m/jLG8zYqGsD49oXBsQkHYlec+hIPhM9A0vyyiMliAs0uPzUEHsNiw6GKAmqMNRMYu4TFq6v9BNnv/Rdja+onYq9Ze/z6rEekktrwbunYC/5B2RvTIg8vO/Yrkqt2wK5bDGv8Yo6VRTBfXKdtyIF7gHVTXgfQzUFrEItLMHenczKUWFf6QeNlJhqaYAHkOTMgcYt2nj27AUHuP6Jm7S/7ZhpllW/k1PYSj6YZ809/v6lm/XuNUDsFCN36fseG4V2gnlpy8v Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Update DAMON_STAT usage document for newly added kdamond_pid parameter. Signed-off-by: SeongJae Park --- Documentation/admin-guide/mm/damon/stat.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/admin-guide/mm/damon/stat.rst b/Documentation/admin-guide/mm/damon/stat.rst index c4b14daeb2dd6..46c5dd96aa2ed 100644 --- a/Documentation/admin-guide/mm/damon/stat.rst +++ b/Documentation/admin-guide/mm/damon/stat.rst @@ -89,3 +89,10 @@ percentiles of the idle time values via this read-only parameter. Reading the parameter returns 101 idle time values in milliseconds, separated by comma. Each value represents 0-th, 1st, 2nd, 3rd, ..., 99th and 100th percentile idle times. + +kdamond_pid +----------- + +PID of the DAMON thread. + +If DAMON_STAT is enabled, this becomes the PID of the worker thread. Else, -1. -- 2.47.3