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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 v1.2 2/2] Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter Date: Wed, 15 Apr 2026 17:21:47 -0700 Message-ID: <20260416002149.87090-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260416002149.87090-1-sj@kernel.org> References: <20260416002149.87090-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 4BE8D1C0006 X-Stat-Signature: 8zf58hp15aok5t3ke9i3347jk5x9uabq X-Rspam-User: X-HE-Tag: 1776298921-745657 X-HE-Meta: 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 df8DKhXy p8kxeERY4WgBNfQys7xX4S2a3aXdupfhhpxCorHs8nEt0hPyJP7AZVJ05Sn4wHjcZi9LTo4RxgKHwA3ECxnxGEMHTkfG+1ry4EHfDccOwCrlOezgLUquhqqJHVN0AmW8YWgyuHoGqYCyx6fX9c5YCAFk+Ui9fNkllHfvwuDcwzs1oUhXPe1WsMgIWZzkHrVU5Ozv/rIjmr2kLL/6PBfawHeOvuMXUGamhoKnanL8pyJnEyBMes0WeG70gowDA+t5BDcEkXDaY6z9EDJd16hy55esv8oh9mLKXDh1O 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