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Howlett" , Andrew Morton , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Masami Hiramatsu , Mathieu Desnoyers , Michal Hocko , Mike Rapoport , Shuah Khan , Shuah Khan , Steven Rostedt , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org Subject: Re: [RFC PATCH v2.1 00/28] mm/damon: introduce data attributes monitoring Date: Thu, 14 May 2026 17:41:19 -0700 Message-ID: <20260515004120.128430-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260514140904.119781-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 06FC740005 X-Rspam-User: X-Stat-Signature: ae8haac4gb433aiebgqmnwh6e6qc5edh X-HE-Tag: 1778805701-724054 X-HE-Meta: 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 bKQTxCAI 5Rm6Knp/ZRWB6tNqjVF7vpnENdeAMKLbz8u0nmD4/+AIXULzuMGMY3Gc6d1W5StUlsCHMhLz+Yf66njiOxKggOC5qbaJjurEOuEtfvNQTKT1FDGcPIWWjmoDq/avLTNWA140xhh4z3RR3iZKX1oPhfjmO6SgqI8FqLEPdXqn//SdqgKKb10rWEwRdytfXDGDpi4tm4+F6zqOpu5Y9WyjjDgzvsjLaWfkejEIPIt4b53Ztz1G0zyjWzrdIqreoqFstyOS2 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 14 May 2026 07:08:33 -0700 SeongJae Park wrote: > TL; DR > ====== > > Extend DAMON for monitoring general data attributes other than accesses. > The short term motivation is lightweight page type (e.g., belonging > cgroup) aware monitoring. In long term, this will help extending DAMON > for multiple access events capture primitives (e.g., page faults and > PMU) and eventually pivotting DAMON to a "Data Attributes Monitoring and > Operations eNgine" in long term. Sashiko failed [1] reviewing this due to a problem at finding a fresh baseline commit. I will shortly post the next version (RFC v2.2) after rebasing to mm-stable (7.1-rc3) for avoiding the issue. [1] https://lore.kernel.org/20260514205555.51653-1-sj@kernel.org Thanks, SJ [...]