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Howlett" , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Randy Dunlap , 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: [PATCH 6/8] Docs/mm/damon/design: update for hugepage_size probe filter Date: Tue, 15 Sep 2026 07:33:55 -0700 Message-ID: <20260915143359.91472-7-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260915143359.91472-1-sj@kernel.org> References: <20260915143359.91472-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: mzh6qcnhscpj3new8jdjup3pruxw8zjf X-Rspam-User: X-Rspamd-Queue-Id: 4E0E140012 X-Rspamd-Server: rspam03 X-HE-Tag: 1789482850-815355 X-HE-Meta: U2FsdGVkX1/ErXlYxZyG6Y8IA1xlTk/zyPdwRPQ+/gcAglFqEXfS1ZOgdria6P7BwjF8fufoXAqLD0C005P4/8p0lir54hAC6Lvb4mCN6S/YGs9cXTwFDkxBzRpkdsfk06MspKWeR7LirFRUz3ndF3SN79238kSnB6IBaNLRT7CcWFgHG/6IxQgZ4YH8iQQ22uMDURUb0AqX8OZaVpbndIVVocCDO5zMRsaJRR8FDAixbU34Cs9GW/WuEWQV4h0y2tZclbmgplzh5WISnbpJ5BLokhzuV6RpZ7YAr7XDfAdO+mbPOI6rh2VtdPHJTDWk8ESHH6liaX6aelPW2cjELAlrvZyOWN2uijUxgQ5Owz/4+DOJ6Vs6M4ll6SI8bnhF3NT+A8JHgD1NtchPXx234SWNaR0oSwDqGqOPw29oXwHVoB8RQ3OdVqCv6R9GyhTwEGh4d0fsfuiV7w8j/UuYcHuG7XH5wZwrUvmMsMTr46IqfSLrN8kABJ2TBFE2uZ7rfFb2h0UVGYEml1A24z6jkNEiJFX4sZiBiq5qyMpyrc2kx7hTgEOngjgTfpE+VnVmw8I/kBSNg4aljO0DPrYs0rpq++BgU68M1lXbeTN5zu4o0vV+MV6yTblJ0To6CeVIoWlctW/NjK/8DywIbRJsnfphkw3va9T9RhjYcRUUtqMZRD4ZBFz1cmVQxVtkgHodIjU0vxXFtMBdIKX0lHNjDFumOaPnynqJt/4IKI4DFRl7ZKhdxFfAJaypIqknmnmkuSBcY2aOWQBqDJJuf+9mIUK0pRcmIfQFTG26QQbdjy8CR0FAIVVmJn1Pk1TdSuteJDhE/6sT/vP4bOzlnQE36TDC2wBwxQ88whq5K3dLPaq2UxfZ0ARSxy9LKVWQmQAEMXSqHtbBQE5X1PILN7riOMJrhrX5sw/XvipzyxlIlDQsSFKswHHeT8Q2xP/ZfE6U+PwUQc+xwJdpekZ/Xq2 NWxX/DrN GIoFoP7+hYKhTgVXEysyMQWHzmjwRR0IYYCMH6G4Ax+abIHobiQ6zxDvEKF5z4QCrlwtZwpzuoIYaZcpnmcUnrWyZqHWDlKNUbwpyMgALOJ5Mz6/N6FOzGmmgbNFnKjBeARUPBxXwf8qpwY7GfrM7963MJ0p9gMUcaEva+Ksj//K1jsb3yFc2NR8yceKCzZmbkNNlwGMr7Dd58cRXJRFnfAZY1MoIjDabb3xbft+9CMGgZjxCN6cZ8T2wcX8jvyLrGqoRuVZT3V2ZzJb3k21mie7bSOe6oQNNjSB/RM1WWCcF1jXAaHI33SAEMzg6Tvq7F5W7tiI7wHT+pNUz2LWzLt+SeDdHB/HjqP2d5daweh8NI+75x8xTid4BlYzdUConayzWBqwsBl8vGz0= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Update DAMON design document for the newly added hugepage_size data attribute probe filter type. Signed-off-by: SJ Park --- Documentation/mm/damon/design.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index 707170bcd1b33..0a86792f90a18 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -300,6 +300,8 @@ filter types. Currently below filter types are supported. - ``pgidle_unset``: Matches if the page for the memory is marked as not access-idle. - ``pgidle_set``: Matches if the page for the memory is marked as access-idle. +- ``hugepage_size``: Matches if the page for the memory is a part of a hugepage + of a given size range. If such probes are registered, DAMON executes the probes for each region's sampling memory when it does the access :ref:`sampling -- 2.47.3