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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 v2.1 2/2] Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter Date: Thu, 30 Apr 2026 07:20:10 -0700 Message-ID: <20260430142013.80993-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260430142013.80993-1-sj@kernel.org> References: <20260430142013.80993-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 07C11180008 X-Rspam-User: X-Stat-Signature: 1banogmdqp1f5gbbcc8gkfjbrczue3pc X-HE-Tag: 1777558825-148791 X-HE-Meta: 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 RcIbHfFk We8pFop5Iu+Pmc+bgFI9YEDW05uJhhQyrgQbxMcvJoE38zvFGw6Bz/kFPqOzgg2D51LnIHxvgiAEgsZfkhTSa9Qgn+7Po1JyrZ+TEN3isVA9Ahmv2j6UnfNrCIAYTK/sUyB2Wn8dmL1GGItMkosbMnVO/sSVvfNv1N+PZ/frWOpo7pUJM9QaX3rxRy0Mv8t2p/LcbUNOI3FD5AiIer6/+YGJ+NsTkpWDUxS8OqSH1XTysOYqmTPXwt8SMMs4jMUnlDObl8eL1Q3QcjcBU+rkPb63rUg== 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