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 933D31EA65; Thu, 25 Jun 2026 14:24:31 +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=1782397472; cv=none; b=F1BMfaYP2IdCOL9hYUfGc0PjHgYSDDzCRoO8cjKfc+oqHJVqp6uRrj6NoJZcO49atU55xOd8IWHM26CjdtFxDD7Cjovj4ARTPIKoxOQXA/MnFRymRIEFgn4gnAS2zHogHqizL/CDg2fsYhWeDTqBuTUIwXAqrDr/iWJ8dcEviVA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782397472; c=relaxed/simple; bh=TtVvXUa4e83o2CSHr2VG8/v8m++SEzWD+87YWhkSHP0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=bGVxoevx5sa/hAiIIDOKvSPK8wGmI+LVjR71pE4wuqU1KJL02MO9x4VKxcpwWLgNS49MqKnfQyRp42hFPsUtIW2gpFuIQkGOU3Y9029DCdXnqM9vesEqcuRDPRmVEILydXHp6/YS+YG5yxpOOQmJauHsMYcNxBb6TjWcofsNwjQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nIUhv7+C; 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="nIUhv7+C" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22E131F00A3A; Thu, 25 Jun 2026 14:24:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782397471; bh=LZrmGHo3vflvh1oEeSShAdbEXA+TKacvFO2pVZr+qWo=; h=From:To:Cc:Subject:Date; b=nIUhv7+C8biL1usYwmhv0V2C5fEWQ1cND8G5CDAa+tzyP3ZfsNzmqyV3F/4qInD/a FVGGWpQJiLeVueVbTK+oPwFmOmDNKChtSaANHgnd6FP0wqUH0/Qe0Mp8jMfDogYKUf zdn1mGgjwDF1tFnxTtpJgPxTzEB3Wy7Q8mc8OQiFM9GVENLCRehlO3cNzVkxfvYk1r swKx80fMe3iUaS6DUdeg3VgLLDMRKzgNwFzcpnejgE3bmMtL/0/RacN3jAawkktqmh +H2KUzGmn/srKA8+9GKHQpN61CKFx+3NwGV2cATlkic5oG7V3P97TVC7fM3ZvVEN7/ LNCIGw0NIUHag== From: SeongJae Park To: Cc: SeongJae Park , "Liam R. Howlett" , Andrew Morton , Brendan Higgins , David Gow , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Shuah Khan , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, kunit-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.2 00/11] mm/damon: update, optimize, and clean up doc, tests, and code Date: Thu, 25 Jun 2026 07:23:45 -0700 Message-ID: <20260625142357.103500-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Patches 1 and 2 update the design and ABI documents for recently added DAMON features. Patches 3-7 add or update more unit and self tests for DAMON to cover recently changed or added functions and sysfs files. Patch 8 optimizes damon_commit_target_regions() to skip unnecessary adjacent ranges setup. Patches 9-11 clean and fix up recently added DAMON sysfs interface code for readability. Changes from RFC v1.1 - RFC v1.1: https://lore.kernel.org/20260625050756.91115-1-sj@kernel.org - Document nid requirement for node_eligible_mem_bp. - Fix typos: s/memmcg/memcg/, s/geets/gets/. - Drop damon_rnd() randomness test case; test boundness only. - Fixup dests dir selftest to do real test with correct file permission checks. Changes from RFC - RFC: https://lore.kernel.org/20260624142008.87180-1-sj@kernel.org - Rebase directly to latest mm-new. SeongJae Park (11): Docs/mm/damon/design: update for DAMOS_QUOTA_NODE_ELIGIBLE_MEM_BP Docs/ABI/damon: document probe files mm/damon/tests/core-kunit: test damon_rand() selftests/damon/sysfs.sh: test multiple probe dirs creation selftests/damon/sysfs.sh: test {core,ops}_filters/ directories selftests/damon/sysfs.sh: test dests dir selftests/damon/sysfs.sh: test all files in quota goal dir mm/damon/core: reduce range setup in damon_commit_target_regions() mm/damon/sysfs: split probe setup function out mm/damon/sysfs: split out filters setup function mm/damon/sysfs: fix typos in probe_{add,rm}_dirs: s/attr/probe/ .../ABI/testing/sysfs-kernel-mm-damon | 40 +++++++ Documentation/mm/damon/design.rst | 6 +- mm/damon/core.c | 22 +++- mm/damon/sysfs.c | 102 ++++++++++-------- mm/damon/tests/core-kunit.h | 17 +++ tools/testing/selftests/damon/sysfs.sh | 71 +++++++++++- 6 files changed, 205 insertions(+), 53 deletions(-) base-commit: ada7832345164eed1bbca10543b0c46f13738215 -- 2.47.3