From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 7666328505E; Fri, 3 Jul 2026 20:06:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783109176; cv=none; b=NZWjR+fa8yjvdJweHQjppIZiJuoVz+3JzB40Yw3m6y9QNEXNOqmhG9qa1HIUml2c4DIKTGt59sOjYLuIlI6nB9lwlFaEXsThcrpI3zJ4yuMq5hHqZ2EYnv/iQxnpW4bWXu0R32jBQ1VfFigJ4IwuUvdjuvk6mZYcBEVMlWtvbuo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783109176; c=relaxed/simple; bh=2tSdN7Xec9YwW/M/VNRZbrOkU8fnl6XzXsMlJpm9S4Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WFb5HldVQzspXNbep+Hs76KkCxO5eRm82kCD9Hcm7KuX03dD6kjtiCf6ouo+j1arPxqBTl6CTYlufImBts3AXlJQWg5aI2VWpUo1ERn5onDOdFAzfZs7PWb84Ik4Qqgvo5/T6Bifs2TPcvYhF9xBqi4a+To0wTq/bpPQ8ZZHOe8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=C1bchi5A; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="C1bchi5A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 018071F000E9; Fri, 3 Jul 2026 20:06:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783109175; bh=C8zf2oenIzK/5sv6TzeAsiMNLr4snDxOKcCQpjzACiw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=C1bchi5AKR8Omb4EfoMSbv/1fj1Z+Oq8IzB1W6NVyGeehPhOvUPd/fhXjiC9u9FpF cuy0JSYbuvt2qYlHR5iG09086X2oUJ/jMr7fEXACQ1e/MIBPpXDvNTFITTohK/lKrH IsH6EcGeFPiEcxV8MFUF6ikINsDzt9sQhbuOxjJVjSmnZa6cQfcXtUbulKxYhPTPvf NTJWVQSuuVrUY4sa72suD1cA05Svu13wrDCVaxjnlFPKP9H2BlBq6uwtBneEVVKatN 3VLhZcnaHBC4oewLz+CEG5mMB22tGVPCn/A+bEwGjKi5JP+XshqxDPytWPJF5XkQ06 GYqzFrWbbVwWg== From: SJ Park To: SJ Park Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: DAMON Release Newsletter for v7.2-rc1 Date: Fri, 3 Jul 2026 13:06:11 -0700 Message-ID: <20260703200612.102544-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260628211904.94361-1-sj@kernel.org> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Sun, 28 Jun 2026 14:19:03 -0700 SJ Park wrote: > Hello community, > > > This newsletter covers DAMON features that landed on the mainline, queued for > the mainline, development statistics and misc events that were interesting to > me that happened in v7.1-rc1..v7.2-rc1 time period (2026-04-26..2026-06-28). > > The newsletter covering the previous release cycle (v7.0-rc1..v7.1-rc1) is > also available [1]. [...] > Chanegs Landed for 7.2 > ====================== > > During the 7.2-rc1 merge window, 95 DAMON patches have landed via the MM pull > requests [2,3]. Introducing a few of changes that could introduce non-trivial > user impacts. > > New Features > ------------ > > In the merge window, below user-visible new features are added. > > 1. Commit 9138e27a3bc38: "mm/damon: add node_eligible_mem_bp goal metric" > 2. Commit c7ec7d5f6b3d1 "mm/damon: introduce DAMOS failed region quota charge > ratio" > 3. Commit 3b9e3cc0405b4 "mm/damon: let DAMON be paused and resumed" > 4. Commit 70d8797c15d64 "mm/damon/reclaim,lru_sort: monitor all system rams by > default" > 5. Commit 0453f857eb32c "mm/damon/reclaim: support monitoring intervals > auto-tuning" > 6. Commit 3a0bc9568c354 "mm/damon/stat: add kdamond_pid parameter". > 7. Commit 45c49d9fd6089 "mm/damon: introduce data attributes monitoring". > > Feature 1 is developed by Ravi at Micron, for their auto-tuned dynamic > DRAM/CXL memory interleaving for memory bandwidth optimization. > > Features 2 and 3 make DAMOS be more deterministically controllable. > > Features 4-6 improves DAMON modules for easier control and more reliable > operations. > > Feature 7 introduces the data attributes monitoring, which enables light-weight > page level (e.g., cgroup-aware) access monitoring. It will also be the > foundation of the ongoing collaboration project. Sorry, I forgot mentioning one more important new feature. Commit 58996503b631 ("mm/damon: support MADV_COLLAPSE via DAMOS_COLLAPSE scheme action") is also merged into 7.2-rc1. It is developed by Asier from Huawei, for DAMON-based THP collapsing. Thanks, SJ [...]