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[85.239.239.233]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2dd2dbb900asm3052615ad.74.2026.09.10.19.01.29 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 10 Sep 2026 19:01:31 -0700 (PDT) From: Lian Wang To: SJ Park Cc: Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH REPOST 5/5] mm/damon/vaddr: support pgidle_unset probe filter type Date: Fri, 11 Sep 2026 10:01:10 +0800 Message-ID: <20260911020118.37585-1-lianux.mm@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260909140408.104699-6-sj@kernel.org> References: <20260909140408.104699-1-sj@kernel.org> <20260909140408.104699-6-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 847FD180013 X-Stat-Signature: cjpdgr417muf581n6yif1hcosqeo93us X-HE-Tag: 1789092093-482392 X-HE-Meta: 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 oL/j/Mzs 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 9 Sep 2026 07:04:07 -0700, SJ Park wrote: > DAMON virtual address space operation set (vaddr) does not support > pgidle_unset probe filter type. Add the support. This looks good to me. Checking the PTE or PMD young state together with the folio idle flag and MMU notifier state follows the existing vaddr access-checking model while making it available to probes. Reviewed-by: Lian Wang Thanks, Lian