From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 981A0C982D7 for ; Fri, 18 Sep 2026 21:04:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 938BD6B009B; Fri, 18 Sep 2026 17:04:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9109D6B009D; Fri, 18 Sep 2026 17:04:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7FEEC6B009E; Fri, 18 Sep 2026 17:04:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 4CDD36B009B for ; Fri, 18 Sep 2026 17:04:30 -0400 (EDT) Received: from smtpin23.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id DEB8240806 for ; Fri, 18 Sep 2026 21:04:29 +0000 (UTC) X-FDA: 85228111458.23.BD2FB56 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf28.hostedemail.com (Postfix) with ESMTP id 20A13C000B for ; Fri, 18 Sep 2026 21:04:28 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=Qyeb3hJX; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf28.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1789765468; b=dNPbjp0nXkHl/JPM+4J+YGCuBnghxR37JxNRS9PxAlaeWqSssN+0kul2BKOuwXS+VdQEVW sMy36oVYQmM0AJa2hEiXSnweuA9Py9T44OmF0JCpDlWKeFQSJtsNM4jxrq2d5+ZRHXOLfA ej9c2IKE34aHomUgN6uTQhzf4MOOYZU= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=Qyeb3hJX; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf28.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1789765468; 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=xmK0KPLqBJNRqNK0GfYnXw0oy5TGIitYZkOcLtfdbHA=; b=mKjEpUT1gIz4ykCbKF9XeVcIuoa/sEFhsD7vWLZgKM9Tr+UGkfPP2RiQ9cOrIiqeWYxtuf rIgm5kBPxdZWvNjFOj4QYZJCOr0oYkY5TEt+lNmp/4/wK0hnSf3uoeTLxQO/mXnbmCkpyf UXBy+K/nn+bmeRGv1mySL1dxzuCP5B0= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 6DAD843B4C; Fri, 18 Sep 2026 21:04:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AC9F1F000FF; Fri, 18 Sep 2026 21:04:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789765467; bh=xmK0KPLqBJNRqNK0GfYnXw0oy5TGIitYZkOcLtfdbHA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Qyeb3hJXGrrBizz+7pv7Iqz+Qdf5taO7C30duKJQGlzhq0MvoZI/Y4XbVI9B6L4CA 7EWqTpGNyugWKhXU+3k5fpciZG/T6adlZxQKs7dhfVbA0UNRGhHTMZ/cpUj4RCV6gV hWQecF4dZHxMzNPM5oai8xh+YAe/IZVl2LvVsu6ODGsT7se3LpYL1wo/MRWn0yRzJw 9zZQrZZLSUsyBUfVaEe05iZWsK6TCGhDPPPReIlb4tCkN1hhuOvGt3dUsUc7fIMyrE ps5zjstPreSRG/BM3NcF+4rqNdcNQPtBP6MKEWnW60Dn995KBl97yTlnp5iXQiXmfw 6Q+apIvY+73sg== Message-ID: Date: Fri, 18 Sep 2026 23:04:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 17/17] mm/huge_memory: drop the redundant mapping argument of __split_frozen_folio To: kasong@tencent.com, linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Andrew Morton , Lorenzo Stoakes , Zi Yan , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Lance Yang , Usama Arif , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Chris Li , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , Yeoreum Yun , "Kiryl Shutsemau (Meta)" , Shivam Kalra , Kairui Song References: <20260915-swap-thp-cleanup-v5-0-39878b37dfb0@tencent.com> <20260915-swap-thp-cleanup-v5-17-39878b37dfb0@tencent.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20260915-swap-thp-cleanup-v5-17-39878b37dfb0@tencent.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 20A13C000B X-Stat-Signature: tr5ukz1jb4wu4zeu7844qic6ru4wafcx X-HE-Tag: 1789765468-182612 X-HE-Meta: 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 SatJmTqi yJU7ySIZAomhWmJP35SewDN+vnY9MUeAFX9SE32e3ezVe8mSKysu0Jwqm3XWN6VqbpZUhGS4jkM4BGlWC/+oqOZR+9aTa//hylP5DnMiN6TCucppa3K51qL4OOLi9BETTpRUwVsh4HoLvlecCUkvPR+k/wzolxPCgESYk47Z8IzLqAkgeD1wlhRtN+SkngUhJHnyTrIPRSgBqPxJhIYoHKEey9ASKv/QlimAPwOu6Z4+I+PQGpnvYlQwCO9nyZByepSOpkrdG7Nd9gM8JII8oXMLrqYoCzLSeAQ4SbiSzBATpx/vmnBX6844J18SghzZvyF7QxMhgQM1ak/EslKHJCuM73OHVpgPPIifP2r/ICdSFsloyjHaAJnxNdx6SD4wivaLyizUO6Rjf1lvfAL8bL5zYbxdPb3UtXxo1FJrWsnJwMcgXmkyqJOd5KQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/14/26 19:14, Kairui Song via B4 Relay wrote: > From: Kairui Song > > The mapping parameter only served as a non-NULL check to detect > whether page cache entries need updating. The xa_state pointer > conveys exactly the same information: the anon split helper passes > NULL and the file split helper passes &xas, which is non-NULL iff > the folio is in the page cache. > > Use the xas pointer instead and drop the parameter, along with its > kerneldoc entry. > > Reviewed-by: Zi Yan > Reviewed-by: Yeoreum Yun > Reviewed-by: Kiryl Shutsemau (Meta) > Signed-off-by: Kairui Song > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David