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b=s1ECR/9t3rMYltdpRky5k4tc5oi0AN31gSxiMHV1z5ZEZ26Xx2H0XdUiOunVwNmPu sNxYd8F4VK4ukwHspGVYDQ2cf5gZ+3026sLj9xy5Dvgh8YIg+XSoPZ0BSCGWxZ8VCd Mr92YciAtrqdr3Wuizf469sMc+u7//DVnRf4emCHMSdmlt9m6RD/u9W0owd5HBUfYg FXN7y62KbjqnoY8/pJhbP1lmGzgcspQXN+M0JNVhM2NcbCJJMBCj4jr4qj2Hji+Htu 4TlH4JmPy8GD+nVtKBvPralqe1WeI/UFIR2/YzFjBV4n9soJlSpAP5gam+3x7T2O7T XwVOuw/DaGNNA== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Yang Yingliang , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/5] mm/damon: support addr_unit on default monitoring targets for modules Date: Tue, 10 Mar 2026 22:29:21 -0700 Message-ID: <20260311052927.93921-1-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: rspam11 X-Rspamd-Queue-Id: 82E2040002 X-Stat-Signature: w34j754ufyk99tjrsfd3rz8r9ffr54gz X-HE-Tag: 1773206972-764833 X-HE-Meta: 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 OtMXLHRS x6OjCCeeoMtHMipxw7QFJnr0iy1zrizJgf26NaeMIm41uBMgQvPfXd3bYRxixKDbFWBEXUrxpZAjmeQ2LuTFCzCQX9WWjHvmBF30+V1lPqcf2NPzexb8OzpXHFUlMMv+zX6+pPykV6inhEzLNHm3T/C8wWJri8vJ7Ay2CjbvuVu1mpntCpOl569zS+MACrC2J5IHsabBEhWg/6XiXQ6XqOCYkVUqakPWjs9uxqtEDtaw79istBruLtWQd7yDzUNqtPROGCOv+48G9y1SjOUmQmzRMPA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: DAMON_RECLAIM and DAMON_LRU_SORT support 'addr_unit' parameters only when the monitoring target address range is explicitly set. This was intentional for making the initial 'addr_unit' support change small. Now 'addr_unit' support is being quite stabilized. Having the corner case of the support is only making the code inconsistent with implicit rules. The inconsistency makes it easy to confuse [1] readers. After all, there is no real reason to keep 'addr_unit' support incomplete. Add the support for the case to improve the readability and more completely support 'addr_unit'. This series is constructed with five patches. The first one (patch 1) fixes a small bug that mistakenly assigns inclusive end address to open end address, which was found from this work. The second and third ones (patches 2 and 3) extend the default monitoring target setting functions in the core layer one by one, to support the 'addr_unit' while making no visible changes. The final two patches (patches 4 and 5) update DAMON_RECLAIM and DAMON_LRU_SORT to support 'addr_unit' for the default monitoring target address ranges, by passing the user input to the core functions. [1] https://lore.kernel.org/20260131015643.79158-1-sj@kernel.org Changes from RFC (https://lore.kernel.org/20260305053918.83786-1-sj@kernel.org) - Rebase to latest mm-new. - Wordsmith commit messages. SeongJae Park (5): mm/damon/core: fix wrong end address assignment on walk_system_ram() mm/damon/core: support addr_unit on damon_find_biggest_system_ram() mm/damon/core: receive addr_unit on damon_set_region_biggest_system_ram_default() mm/damon/reclaim: respect addr_unit on default monitoring region setup mm/damon/lru_sort: respect addr_unit on default monitoring region setup include/linux/damon.h | 1 + mm/damon/core.c | 36 +++++++++++++++++++++++++----------- mm/damon/lru_sort.c | 7 +------ mm/damon/reclaim.c | 7 +------ mm/damon/stat.c | 2 +- 5 files changed, 29 insertions(+), 24 deletions(-) base-commit: 31ae3f4d2741372ab511aeefc5e6898d12971fcd -- 2.47.3