From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A5832D780E; Fri, 15 May 2026 00:41:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778805703; cv=none; b=A+ZxsdBCNkr2rrw4xhjkZhaSuouQOBL4TRmgu+DER8YjAsN00DxbXxpYu9yKCiB4eCc/+v3sgxW/huGTEN7izleeZcFbn33RZFfiyKEQL5d1dkw8BjrKE5zoXWF8MZ+W/WDet2mLy8C2HDIqnX6TSUJS/3RgdICySInv+Fku0wI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778805703; c=relaxed/simple; bh=bJO/kE6QL8D7YE9Smgjkz8t6WHx6lrXs3dUs2I0Uj4s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PvRN0ubZqxQOZMMnW31U6iJy++0Ucwek+bXhE+mTm4NmkYchdm2wJ7z0fQVJaMVwtJ0txkYScOXgsNpJpkTkE+Ea5Bal5ADM0yMbGoRUIolHvFaIWmOsY2sUKHiVUymTL7zTI28jcsYd+k5psauh/SIKor8DZL3BT3E/lLADrJY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HuT4r9ID; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HuT4r9ID" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C266CC2BCB3; Fri, 15 May 2026 00:41:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778805701; bh=bJO/kE6QL8D7YE9Smgjkz8t6WHx6lrXs3dUs2I0Uj4s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HuT4r9IDxhWGJMY8i0Orgn14YjsiKpbutBYqr8dGd1vTCRBcCuUCOpewlaakfONzp QsxEHIe9sDc85rA5RZcp8xojiuICNxgnTmNAHKaFbSqh4/ZzO9uvueP3i/hdhp81YG jYiyZrgCfo8Qy2QtsNB8v3ogmc1aTR4A1K09bYtQm9Z2Ikz7l14XkOsJXtojO1qcRh kLFrsPZLLMPp9TVihzV7qtthA/ALQQxy9k8u97Mk8qyfT25CgGPep+biWvpjLHeCzJ JfkfUlUnrLK5+NWtxyZhavCQcKPmj9hL5Zig4+XRMQB0uhDBDOxozoYvru2IMCNlId BV4SEzx1hK0jg== From: SeongJae Park To: SeongJae Park Cc: "Liam R. 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: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 [...]