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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 v1.1 2/2] Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter Date: Tue, 14 Apr 2026 16:59:11 -0700 Message-ID: <20260414235912.98174-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260414235912.98174-1-sj@kernel.org> References: <20260414235912.98174-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Stat-Signature: p96r1npma4wprtmc9e9nenuouamxeru4 X-Rspamd-Queue-Id: E844F4000D X-Rspam-User: X-HE-Tag: 1776211164-397280 X-HE-Meta: U2FsdGVkX1/QCSTrK3NgvxHX1LD5VLdZD+GtF79nViEBd00sh21dgZeIuxS+QRJa7dncIDmjOW6e+l32mg2bcaM0F+6uqfdIB2NXtZt1ldJAmxgdKCTLvot34URQxvyFbuTKNZVuw0TDR3n685n8pv9FjDWvNwggvYKaZv/EOhiFnwqiq5GWcuXX4t4xHJchzXywHXaHjJRpDbJia5ptZLpkQhSyAYuediDPZG1XNcXnu6j9GydBVPhNfvnyTLVoza1wkb+Hvv98AZukyPNGuMhR1CXY8hjESGFrwRzcZUcvDeCrYEtGpFelPzYBSdqkN3iTOpx/DOVDMO5FIpVP49GjXbv+wpijDM9BySy/eQzkqikLUDnwFy33kCxTCfGq4MYAJoftgRDYQRlewF9xBJB2qklkDGm0mxWiRFj1hd8JViJ2ie6A2BFh1Q/SQcoSDNHAPN9gvRS0qBL5xAaFu8xWuLyM9HJHZfFZoF2mooDWTAhvUTjmLF5nBWel46NF7VcgqIXYZzpv9UfFQsO38LdI0c8cqjAF89Vt/M9ciyxt1K2itr8Ok0NMDBWEdeKKQe0Kh06xIfWZw5VT0PcxG1d7XhDr4KyvcvVuWT0e6h+2lMZ4x2QHIQvxMnpOMtLhjGbPNEHe+zAFXKg4+XCRv6izC9x1JuIUA+gZ0G9joC2YqEsjoi2VHI084TBkVrRQngjYXFww+fWpTeG+bIOvGIOayNx7HgDWQrjsUA77ienhhZ83oPrLbr5mHTYt+f6vUVayth1jngjVD/ttED/n+m2NNj2hgsGprhxtUmY+FXvZ3BNQe7XJcS2EpzLoL34zNxTCfCNo70aGMQ9p4QeRXJTPHNK39EDwzehf/Bt+z7RbcpZzbqDFbWhuyv5MQ4re/INmiDNGlj8FiFKHH+UbYyc6jt6XkTrEBRs9eKV0WJwCK4dF34CPp/cv+kYW9baoN3dHlaL1EXNaO5qjh3d 31HAclSz cD+/0fgN/ie9M/f62BGpgtJslsiyr3mLJith9iMs7jIL5pXoGEQaWA3Ci3HQQdSFUagO3DBQW9NNgtXrrsA9zSy1N8n6hb25Nq7ZgpyFizpaVkvzWGHVhHXu7JF0tH0aOiCSU2sNdXXKdW7/3mNFCKd5c+ejA6futVTv72xdjzvkwYIcz5G58pAWaHVgiVFQq/esM7O93Nei33tj6w+6hTaSBBWyWqnqfnUrBMwfXbOK5ky+lg3EIuRVIwK2vBmjL/A8pyfbWvDi1qkmQ9DYPAO8KtH2Tq//g4Cea 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