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Mon, 9 Feb 2026 09:02:19 +0000 (UTC) X-FDA: 84424326798.14.1D87CCB Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf05.hostedemail.com (Postfix) with ESMTP id AA72E10000F for ; Mon, 9 Feb 2026 09:02:17 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aooR1E8O; spf=pass (imf05.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1770627737; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=85a9YjU4OLYItq7leieNQbaQBkof4ldvpegJfdSNQeY=; b=bGJKRfzgG0d3iC3+NEtp2mMHHbzxFCfVq3ZEYS1uy0Iiepor5Z6YWju5rgr9x5FfIsL2c7 Cy3Z+iNZGVyBJukiHaJAWQnItpf8O0twGdDgZSFp+ONe2UwmR2S29vUSYrtCRz4Y+ra5r4 FUVCfJDPexo0NibeFDy28IQzZYwvCow= ARC-Seal: i=1; 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b=aooR1E8OiLDayk26Vp9o+xj1QOeVlFq4+eqv4GON/kuQCyEirPFCRzlx6GzydAv8s Q9wTXw3+NL01009BR2YHSjyM2kDujJlfqv4tuIxWIvE7hQorVqYUBAWVJe+Z04TqQf 8K/bLYb+w31fG6n407ps06RIqOa4p+bmfb96/cXXi8zNWjAnh8pPv+htpTB38QMlwO 3h5enCy67VvkAbAAHZlzdTymjIoZoj6+Ip4jdEGEZValrnXiaFPpu6QZB8C5bBdYdx NPQ4T9SaDNx02ILS+ReVgOEC2QIhEX4cNtBw8/UiVWLTKLE1uNtmzX9wtYbY6OcSlh U3ffR2p4NBEsg== Message-ID: <424b2acc-68b2-49e0-921e-08451ce5a30d@kernel.org> Date: Mon, 9 Feb 2026 10:02:08 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 3/5] arm64: mm: support batch clearing of the young flag for large folios To: Baolin Wang , akpm@linux-foundation.org, catalin.marinas@arm.com, will@kernel.org Cc: lorenzo.stoakes@oracle.com, ryan.roberts@arm.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, riel@surriel.com, harry.yoo@oracle.com, jannh@google.com, willy@infradead.org, baohua@kernel.org, dev.jain@arm.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: AA72E10000F X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: r8tg6byg6y4ctfsbk8fmwiffi1db1xkf X-HE-Tag: 1770627737-874643 X-HE-Meta: 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 TXIBNQ5w T+kKlCl/NuDAk5OLYLJX8JLkSXjzqD/iO9Cuv5V0SOC1em+R1CUPsmBDBzcNaSaHtxrQWhf5dBl8sHasi/QFXPXu6ksZYvWgVtJsG5bgAXqTKAMbHQCT2SzbB6KUkAuXm0yZmNT2Z5WAPCxYJyw8njM/X6DDFVTPbGBRyxSx+YxP6YFPyiHH7tCjKUZcOQlDsxW4mjXLLL9SLr0p7rkMm2QvfmD9pCS0JZtYkqPbelSiV5Wb5WkfqX/V2k3nFbxvt7z4cQsk4g33ZSmJjeWG+y66x9o+SdhQ7KZGI/FaRIuY+6BBCi7qrAO0N3A== 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 12/26/25 07:07, Baolin Wang wrote: > Currently, contpte_ptep_test_and_clear_young() and contpte_ptep_clear_flush_young() > only clear the young flag and flush TLBs for PTEs within the contiguous range. > To support batch PTE operations for other sized large folios in the following > patches, adding a new parameter to specify the number of PTEs that map consecutive > pages of the same large folio in a single VMA and a single page table. > > While we are at it, rename the functions to maintain consistency with other > contpte_*() functions. > > Signed-off-by: Baolin Wang > --- Nothing jumped at me :) Reusing contpte_align_addr_ptep() makes it a lot clearer. Reviewed-by: David Hildenbrand (Arm) -- Cheers, David