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b=uBD7JYsCVJcYeeLVVTvcguO5RB332MYn1vfjnyUcdMjIS3ssYYNeIgIFuPla+rRxA S3gIFA9AVENjcAsIZaajoAfLIw0xEtP5uFNAAo9TB5MO24NGzBPBTZJhc6TCHxhLqs AgdRp3NPsi6sjDFbuwtvDIVFw3vkxVLT8uOtRu2etrsX8eifX2ceegDy/L9zIHAmm5 RxoHD90DySWrNxg1ON2U437wXmpMgfiqCr73kAjG7hqa9r7ouQ4zWM0YoipEqgjZRq dINMxlRkNRHyChkHv+hkGgmnwrjsVhKlJAkHrDWLqFosSHoH3FHpsalL4cq3DeUnut 7ApJNGeb3UzIw== From: SeongJae Park To: Yueyang Pan Cc: SeongJae Park , Andrew Morton , Usama Arif , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH v4 2/2] mm/damon/vaddr: support stat-purpose DAMOS filters Date: Sat, 2 Aug 2025 09:54:58 -0700 Message-Id: <20250802165458.7179-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <264a4b5ea202fd73c01b349c9694d8bf9978c441.1754135312.git.pyyjason@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 397C120010 X-Stat-Signature: bz6muhj31bbyxfhar94ymkspb5sfxpff X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1754153702-462525 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, 2 Aug 2025 11:52:46 +0000 Yueyang Pan wrote: > This patch extends DAMOS_STAT handling of the DAMON operations > sets for virtual address spaces for ops-level DAMOS filters. > It leverages the walk_page_range to walk the page table and gets > the folio from page table. The last folio scanned is stored in > damos->last_applied to prevent double counting. > > Signed-off-by: Yueyang Pan Reviewed-by: SeongJae Park Thanks, SJ [...]