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imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=FosXs5Zy; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf28.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1793478383; b=tAKOzUVmgfaC8z5rGYdUrvPy4YodaxmS6vTo6PoVl+QKdhsS8RjkGnTwevrYXlIjQNh7W7 VuiBKX11q5SNBBup8cmkcOy3D5WY/PQl2DdQ7qOk3tMpEAgjd6rCTa+3WRgJzIIgE4ntQU yJRJ5ibMGgZiAdsSST0JI59Yd+2LurM= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 6A18743273; Sat, 31 Oct 2026 20:26:22 +0000 (UTC) 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-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 79C48C0002 X-Stat-Signature: c5jtjmfh3bo7djyogwj9tp9q6qrzef1g X-Rspamd-Server: rspam04 X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Rspam-User: X-HE-Tag: 1793478383-911310 X-HE-Meta: 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 zAqbnk3h LbXkRL6gZPxlFrLfTQjqXyTO6UAAMxQjA1l+tUSK0zvIVoxvZcosN6CC2lkG5/LjscxGjDoRhluF5QM3vHLQbLl8OkBHdPAYMeB4zMnK5tEA+Bj5WJOAZcPV1o8JXfsXKvRiILK0dvxX3Cse5GkuDX76M0sm2v5QjvRVwK1xVaJ7tO9PelyNkKOgIDTeFVNph0e7HRtIBW2K6Jjs= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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