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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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 2FD111C0007 X-Stat-Signature: 8c5pubkc7w97f664u7awy5st8gtt3uts X-HE-Tag: 1782397472-844374 X-HE-Meta: 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 flST13jK H3WicbFXlU/kBq7dDv00YQtTLGF5oTwBVutBu8S+LEJqE5mGraDgjy1WdO1tEzWZg9N/d59e546e+HFifq0uMsmejrAut5E3WWEpdRgLeYfiK/JjnH/lBQ7ZpJtUCdIUgW5F+ttd26cYiA/PHVKj3NH3KUQLzM4mVO9GDgfruwCQ/b+e+aQpxEGrfgjncoHZ64Mv5HdackSxkcjDM05RG7P58Z6c9mUyE984Vh2wPa2xWAiw= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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