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Howlett" , Andrew Morton , 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: [RFC PATCH v2 6/8] Docs/mm/damon/design: update for hugepage_size probe filter Date: Mon, 14 Sep 2026 07:44:43 -0700 Message-ID: <20260914144448.93732-7-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260914144448.93732-1-sj@kernel.org> References: <20260914144448.93732-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 64B59C0002 X-Rspam-User: X-Stat-Signature: qg1k5ncabwuyd7gst1hmcdtmanzj765q X-HE-Tag: 1789397099-893553 X-HE-Meta: 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 EEjYCsLM RlyR3+zHYuE0RTka/9XoPl0+nvmSEdQQFkVxEmq1uNHi5ocLxLuoBRJwpFQpl+DkH2r/7nMOKPjl55HFc7tI7gs2I3lgWxrhzhWKY4e+MkEbCnpK5OWFx21xky8uxP+BIudpARt/SK5uShzrA6HVx4vVxKyt3TnkAFsub4faDowO+c2fVbP401P0yJO+6MBKH07zaQbxrUv6SVddLPt46YDVxlF13/GsresX/eIUrVq7+ewCQ9V8JAiYaMeiBAbWy/ihGZHuV+iy5w6xfUv28nnTVGW10acrRmtFOqE281CiwN1PtmADzAr1oiQ== 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