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Howlett" , Brendan Higgins , David Gow , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , 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: [PATCH 0/2] mm/damon: test and document power-of-2 min_region_sz requirement Date: Sat, 7 Mar 2026 11:42:19 -0800 Message-ID: <20260307194222.202075-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: yxp8z3megjxecxndh9kktunkojrzdsbc X-Rspam-User: X-Rspamd-Queue-Id: 0130640003 X-Rspamd-Server: rspam12 X-HE-Tag: 1772912547-91885 X-HE-Meta: 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 xiRMTfXS 5fIUm6QPkzNnhPLMv3geZHxJgR8Mb7dZPqKJTka4bFZ1Th8bKkvxPquzEfcxKLY/h91EJydsf6hka0EQji9zzyLEjWddaU2gOg8eOiOyQ8wMjqOlH1c7+3puPDaUqR9Dt8sdVKwr/k+wdzADFDr5vdLVcCoOpevkfuAXfRp+k4dzhwKwJ4zBbl1+1C/tv1sfNBcYc2QOeWVfL2WUROwKXLAhX0N3mr3ojae4shGZonm/Za5Fa69BGJ/t/0qcpmJjLaKEst3N/qrLFr23PCobZNUZVaEwW+3+7JZFat3Qr/nNcbGF5lXcZzviCOw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Since commit c80f46ac228b ("mm/damon/core: disallow non-power of two min_region_sz"), min_region_sz is always restricted to be a power of two. Add a kunit test to confirm the functionality. Also, the change adds a restriction to addr_unit parameter. Clarify it on the document. SeongJae Park (2): mm/damon/tests/core-kunit: add a test for damon_commit_ctx() Docs/mm/damon/design: document the power-of-two limitation for addr_unit Documentation/mm/damon/design.rst | 2 ++ mm/damon/tests/core-kunit.h | 22 ++++++++++++++++++++++ 2 files changed, 24 insertions(+) base-commit: 4380f0b6370ead5000b8d155b25a86cb59d68c06 -- 2.47.3