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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 2/2] Docs/admin-guide/mm/damon/stat: document kdamond_pid parameter Date: Mon, 13 Apr 2026 21:50:00 -0700 Message-ID: <20260414045002.88110-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260414045002.88110-1-sj@kernel.org> References: <20260414045002.88110-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: E9B3B8000C X-Stat-Signature: b175p8hcp4x94j3ygnuahhsafxjox5wj X-Rspam-User: X-HE-Tag: 1776142214-412496 X-HE-Meta: U2FsdGVkX19YUF9fl713/prrmvRFOJb0eMBFKNzBy3znfZd8fAzK82sPIQetcgPFC+uPG6lbq/w5e547sgBZeFGG95Bl8Lgm4iG/TUwxxWmLYruokpsjU9n3YVJxhN/lJ165Ys3ZJdsqYpF5tp2iEA+2MXCSo9EEF/RbRHsMVE+1tWrX+ZTJBBP0rSfyAoleCI7ZkWpIrn393WmORiQXhBFv2n/Ian6ID1z4dtibgvjTMMtg0/nRZy/vnw3a0wVu35uYNjq/whTXZWjhgE1DQ/TqZ7JPXhmhH90zhJqtnL3vUJodDHhk/Z7RlYLKVy5k8FoJusG7bnYc8kQ+7lC5unOe90e418X5lkD8ma/a72uj3sp0PPO/RdqMa6dRE/N1KvaH8MTCaw6kA9aOrD1+MCLX1GAbzcnF/NtaXQFMso0NmI4iWfL8xUdSVyo8gsmRIHxE4jnfUDM+z6zKs+7u3iwnVb054JPAMaiT5/upA96lHQnti8BhHpICZmjSZ6C9goZW3T+Zr4VBMqxD7GZfZ8ub7gNDxsHZ0Xvh7ysAO/x1l1JrsydRMDZITxcovrNZIBAOmW5tlCgBEb4l+DF2N+2VQB3U6sOV3LLS7C3cqFbmqddL2KrMFQdD6iq6HejAnE33elSAtqShgVutzNCgM56l+GrSCcyMCB12Te0jGOwAZrhJCswTtgthGb2ZGCgLpfhrfBjIqCaC4vPGG/fQELTZFDc8/9kTisgVXLOLfZm0KNkm/HIG4GgKsl1UhCDCEJxo6shSp8bQAYOKofxxFYgfq/E2VkB4trM0Egn4fd53U4/N6B8ET9dHQQSlXHfqPd/e2bo/V4FnO1+dJ3hyzEGyspUQ6cDOZzYM4dY9sTZfiGduSx2FM95VktzRQxGrMccdHe4mH7nrNwnkP7vphqexshAzqJBXLkxTjeZV+L7rsIHXN5f5IvQTQvXAhgUWKsDlnC9bZofJKEeV+D7 xALHnpCo ZaBkn2ITjpq7JHpI5qvfq8sw2/L8UwUBiwVhbNVRVFA7z16Bca/q5M767DwvNn1YMQviI66MCQMPToo9RgNQG1/2TJ9XZqePiuqCuTcdF0H920QBe9+QwqE6mw3aPPUFHnZVqh2DHmoUpFXL793/Z7Wcl9NubchmB5kktnZk8nhhK4jIydISojdyCl/LDolOdjYN1tS8COfg6dFjioSdbp5CaMebObN3/1HPAVPqCy5M+GSgmi0xmbjjjNFnJcjZXNvYQJCDtpRBuOEeao5DvYxcG/pXqDV6pBdvH 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