From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793478383; b=so33WwE55ioqTA5Rvmd9K09bYYXNxble9gyLrMrNefeZM5htba1/Z1Uao1yfJ3Cf1WAl /1Y7K735qvqzjL2aoo184gomZRf2NUHxr8dpELNWvl7NDz4eM/OsJgzoYNA8hrzGd/Iao N83gbojvGrtiDzomkmf2JUW92vih0DTFaC/Y0nDxB4LEcbEB+7rBtlodvsyM8QUwIFmZZ J01UaLuZU9v37Km1Vt8kvClKRq+HQxH0xmnjOnb4ddzOj5rEktAtRBHDLrseFCwqu9Dv5 IKBmeDN75lxldwvCe5jK4PGe0+XCpOmPj896KidwWi/j3sTdooonNqtu0wDXObNvPQg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793478383; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Transfer-Encoding; bh=b0huW68ClW7zGxTajFYrPJIOdcCJij4zkacprcElp1s=; b=DhYEW1UrZNKHUzdKKr/UuIMiHB7Bp536S7B1oExPwNJUNEw7hCHdc2WGX/v3Ho+Bqhr/ SMZnpPm1u2YO+mMkhRdBC++ve/VcoHSvDcdvg8+n5WY4N4G+HL4zitDYu+0EfmKZBRu9N 3EP8lXw88yHN0A+5Q4nqpFK4Khvi6gTRDE5r/253VhDiGZaaBfyLmn532XHDdBzOkCt+I G5cwFJ5HuN1n4LZuoJXJxzPFV4ILRb22sVNVinfJBm1BGvbHLnwznXgxq0Q2NCkNIzdrJ 7jWobvr2cQ5TI3uxCDHg3oc0cJdZS2w4pQWyoYsQ8RZXOM24va6v9b4e6APCZf75cvQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FosXs5Zy; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B947C606A31A; Sat, 31 Oct 2026 20:26:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FosXs5Zy Received: by smtp.kernel.org (Postfix) with ESMTPSA id 163741F000C1; Sat, 31 Oct 2026 20:26:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793478382; bh=b0huW68ClW7zGxTajFYrPJIOdcCJij4zkacprcElp1s=; h=From:To:Cc:Subject:Date; b=FosXs5ZyY5xbW4Vt8TM/mcfwydXXh/ABN663PHVu6Pa+NXbNYlyaRNfyMpyehFD/A h2tvLbUW0QyBnsb2kzHl+zNC5pELZUzqRLfYpmAdJBVNFfwu8Kppiv0b9XQfalqLbi YHy83IUL8RXhX/ydUmE/IrnCDdJHPj1jiGrnrtYApjI44WR1pmekbS86EPBE6MM2H6 Bx/XtLng/sPM34p5dtsGwgn3KCzSgx50WoCK9Ocv5GJVzU6Dh4X3WCPNn97KXPR5v8 5HOG0AKD4CgNS7hLNuY68i6rILQnmi5fJCCxWPSivXzMITY8F2DwkpQ9dZ9/H5u10x vxc6rQGSORdrg== From: SJ Park To: Cc: SJ Park , Andrew Morton , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 0/6] mm/damon: misc cleanup/improvements for core, vaddr, sysfs and tests Date: Sat, 31 Oct 2026 13:26:07 -0700 Message-ID: <20261031202614.96036-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Refactor code, optimize code speed, and add a missing feature support on various areas of DAMON. Consolidate invalid DAMOS quota charge pointers fixes into single place in core with patch 1. Optimize the efficiency of vaddr damos_migrate action under filter failures with patch 2. Implement sz_filter_passed feature for damos_migrate action in vaddr, with patch 3. Drop a redundant and racy quota goal target value validation in sysfs, in favor of that in the core layer, with patch 4. Drop unused variables and imports from selftests with patch 5 and 6. SJ Park (6): mm/damon/core: handle invalid target in damos_fix_stale_charge_pointers() mm/damon/vaddr: advance migration attempt in folio level for filter out mm/damon/vaddr: implement sz_filter_passed for migrate_{hot,cold} action mm/damon/sysfs-schemes: drop redundant and racy zero target_value check selftests/damon/damos_apply_interval: remove unused variables selftests/damon: remove unused imports of os and sys modules mm/damon/core.c | 15 ++++++--------- mm/damon/sysfs-schemes.c | 3 --- mm/damon/vaddr.c | 8 ++++++-- .../selftests/damon/damos_apply_interval.py | 2 -- .../selftests/damon/sysfs_no_op_commit_break.py | 1 - .../sysfs_update_schemes_tried_regions_hang.py | 1 - 6 files changed, 12 insertions(+), 18 deletions(-) base-commit: de796f0221d9cfc6a468e83934b9514c43b0a4b3 -- 2.47.3