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 4CCEBFED3C3 for ; Fri, 24 Apr 2026 12:48:39 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 51E9A6B00A0; Fri, 24 Apr 2026 08:48:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4CFB66B00A7; Fri, 24 Apr 2026 08:48:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3E5E56B00A8; Fri, 24 Apr 2026 08:48:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 2DDA46B00A0 for ; Fri, 24 Apr 2026 08:48:38 -0400 (EDT) Received: from smtpin24.hostedemail.com (lb01b-stub [10.200.18.250]) by unirelay09.hostedemail.com (Postfix) with ESMTP id EC0CC86D8F for ; Fri, 24 Apr 2026 12:48:37 +0000 (UTC) X-FDA: 84693428274.24.03C96BE Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf06.hostedemail.com (Postfix) with ESMTP id 21F31180003 for ; Fri, 24 Apr 2026 12:48:35 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=I9QneGDX; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf06.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=1777034916; 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=udRRN3JV2Ocz19QQMpTbv13gq8avhV9J8ui0LFb68B4=; b=Hx3db51C+RNf17NPcxJAlgXw92Dw/+YuTmdbNF8TwC83qeI0jApWXz0MjehuJflNLzm13N 4HfiIVcR0w7Mvgn9NpW9QLQ/lOkDbApn811tU3rM841jBPHLpep79b43B+TqQl23GsoFSN Nt2wxlVMarLgCbcyXdSAda8t7E+txuA= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=I9QneGDX; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf06.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777034916; a=rsa-sha256; cv=none; b=pcJr4snzIK+6Ik66jqVmSXqzdWrZ4dq4QJBKjeW9OuL+YzI2IEBUzvH6ZtkEJHiMMLbuE6 UNVuAwIotQGsCPY4AmJdsfVsR40OWN6pCe/YN5l22/OCOLhy4FehdFWne7T9APFb+csycv Otsj/669MvwjquRQe7oWmduJzBPSvfs= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3B82F43984; Fri, 24 Apr 2026 12:48:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B28CFC19425; Fri, 24 Apr 2026 12:48:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777034915; bh=bmrtpah77EcnjbmtdZKoOnEjBu6AYR2ZoxGaPqk9BF4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=I9QneGDXSDd53IEQJiEBnBZiPTozZyO/odDu+Y1ZwcfEByzlZF/JcVarsZ3lPOnUk uiREWsFW/O9dUTQ0IKRiWHZdF3mSZkVw3FAsDMFmWuAaSRslqdM+2iPp74trRwyW0m y/nxmvtPexntepCT/qpOFl/cPDCtF2zRk85kHWfoCXYwlJ1Y4c41TXEpnde6AHypsa 0wDJbs92JVSLwy6yv0rzdqRggjDHLuUIF14y3KbBYwvTAzdf9xhGzRSYXXLlhNDwhy pitEBnT/0sK407eySB4OyWb5A2HhUlhVIMltY6wuMQdawUMI9aNhGp7axRDRxsE3vM IoYkE04vWGa5w== Message-ID: <16a127ef-436a-471b-b463-cdf4ea038d4f@kernel.org> Date: Fri, 24 Apr 2026 14:48:27 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7.2 v4 08/12] mm/huge_memory: remove folio split check for READ_ONLY_THP_FOR_FS To: Zi Yan , Andrew Morton , "Matthew Wilcox (Oracle)" , Song Liu Cc: Chris Mason , David Sterba , Alexander Viro , Christian Brauner , Jan Kara , Lorenzo Stoakes , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org References: <20260424024915.28758-1-ziy@nvidia.com> <20260424024915.28758-9-ziy@nvidia.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: <20260424024915.28758-9-ziy@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 21F31180003 X-Stat-Signature: zckpet9cgx4dm7ze8k533pomkk3ciech X-HE-Tag: 1777034915-92314 X-HE-Meta: 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 YupZ/bWf G2d2nYeShTxnwgTyt4gExO0tXCEhZdX3W1v83o6uPZ46i+0AEwS4+BEgK+nIqTiFxoWLQZZsgtTI2IC+xL0Jb/dT+pMB+4ztu7LBHdnTqEo7rs5AJnAYhB9SnACZhbdQM2s5koynff/75m7F0O1oZm6Xp2YgHehivE7j5vEk7l6NdH7VNorJ8MKmAuiUWyKskwJrD/oyoo/36gToP0S+rdra718ZUMHr3W7nxkTKwAG98pmI5LEkK1zwv/D6n6ZMllqJyuZmr9L4RBl+syBxpSRVveX7X9PXod3TY9UEFUhWYVtiPsSNhAVH+l3iHmJbOvZmalqyA964uuiNywlkc1PV/QZcIFrW8dxtBnSNjQBDf243Gp5J48AcHJLZd+9wQ2sGz Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/24/26 04:49, Zi Yan wrote: > Without READ_ONLY_THP_FOR_FS, large file-backed folios cannot be created by > a FS without large folio support. The check is no longer needed. > > Signed-off-by: Zi Yan > Reviewed-by: Lance Yang > Reviewed-by: Lorenzo Stoakes (Oracle) > Reviewed-by: Baolin Wang > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David