From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 239CC606A8B3 for ; Fri, 13 Nov 2026 16:26:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=SNQpPHIp Received: by kanga.kvack.org (Postfix) id E51926B05B6; Fri, 13 Nov 2026 11:26:29 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E00B46B05C1; Fri, 13 Nov 2026 11:26:29 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D178C6B05C2; Fri, 13 Nov 2026 11:26:29 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 9F7456B05B6 for ; Fri, 13 Nov 2026 11:26:29 -0500 (EST) Received: from smtpin22.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 28046160228 for ; Fri, 13 Nov 2026 16:26:29 +0000 (UTC) X-FDA: 85430623698.22.560C3B2 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf25.hostedemail.com (Postfix) with ESMTP id 50A58A000D for ; Fri, 13 Nov 2026 16:26:27 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=SNQpPHIp; spf=pass (imf25.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 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=1794587187; 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=fvDP+281worAxT8lGhm0OCKdQjYY32SaMFYw4aXzxxs=; b=UPk9RNdyK0zcEbaHTrA4XTxrrDGFE/wERRlpxWHEKplySRPgp43nkxQPAEwS8oDTd6WsYq nuTO2gXYsr2VEFx6aSsEwyS8dqti78lv8gEPIyI0LGyre48AsGpsYukYZGCFJ301MZDupF +zO1e3XVmYAynzvJW2jYLX5w5u03YHs= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=SNQpPHIp; spf=pass (imf25.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1794587187; b=3/UFgvwdxRjAFaogc1vg+GVXmmOfEm5GwX1h/5dvrueKV6FcaQD4XI8TR7C89O7gTupYsg 6BTEEFbDPCrfKmgOKIZZORzaHvZ99/8d6jGxt5B0SveAkdMkjsCcZL9Gkvleg76A+4pbiY MysSkYQ6ZnJ6iw3SuPb1KufRJub2n5g= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 3681D43286; Fri, 13 Nov 2026 16:26:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3D121F000C6; Fri, 13 Nov 2026 16:26:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794587186; bh=fvDP+281worAxT8lGhm0OCKdQjYY32SaMFYw4aXzxxs=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=SNQpPHIp09p+4z18rWC07xgnK8/0jNl2vTLRyXB91o0usMBXppqpTTgKdfh5JJojQ LDqeaXr7S9Z69O9vT5bjamyLIca7trv96CMC+CS4P8Yq9vcjYwHukyMtkto3H1kV/N TYLAgD7Voanq9DwzU66CGACxuP5ZCbWpVkB8FbGnqXotLG7wjZvm8RSunpRcjljxfK My0YYOMy7EtKcGe0zEv2AiI7UwAJ/UIJyrKzdFHzEnhOB1q//o5rsAzDs4JxcX0JYS 6UwyHlQ/Z7rKwbqmjCmKl4fJ9BJ+XtnlJH4/d4eN5bvvD2LOP4ihY4WDArXCj+YgC5 rPI1zBgDh086w== Message-ID: <9f98dc84-a11b-4885-b414-d751c0ed68cb@kernel.org> Date: Fri, 13 Nov 2026 17:26:16 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/4] mm/huge_memory: don't warn when a page table blocks a huge pfn insert To: "Lorenzo Stoakes (ARM)" , Eliav Farber Cc: Andrew Morton , Zi Yan , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kiryl Shutsemau , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , x86@kernel.org, William Kucharski , Vishal Moola , Alex Williamson , Matthew Wilcox , Peter Xu , "Jose A. Perez de Azpillaga" , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20261112051440.16140-1-farbere@amazon.com> <20261112051440.16140-4-farbere@amazon.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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: 5xum3uwedeggo8e5wkw9fg1zt5mak9ni X-Rspamd-Server: rspam01 X-Rspam-User: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Rspamd-Queue-Id: 50A58A000D X-HE-Tag: 1794587187-451197 X-HE-Meta: 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 ZcSiln0p RZAk8FoAVWxjWqbntpP3JoAEcpwFR0CSGXlwY1l0y6J8c9PMRvHCE0lL/qFnFzcc3KY6dELirdCdCzRUafga4NL4yJmt/LyiF3bIdiG8aAdLcja8k3JSjxLD9XiHh/8NTkDa74Lpywh/nA6qBCqHV38xixLNsNlt5EP6lc26XJkPuE4bIeVSt2Yi7N7BmBiV8xswzEbZNewlCceMQsAOSBkyTKhUBdKODGVvUXkUr1LWfIFjXdLnr2TFTqZ/Ptaz0e6D/DvCvYgwbFtpwMIx0Q0T3w1+bZHxJpdylaa+ELp7HwBfNQZmv1ippqEhbQFh32484FBKPY/HVgh2NTYpIIA9mfJ9P6qu1MaEuEXixS1JR0M4LgaRHnoT/Hu7dSDlJ5Ulu Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 > I also don't get why an existing unexpected entry is totally fine if !write > let's not check anything... > > It feels like the real fix is something more substantial. > > Maybe better for me to take this over... Please take over the entire series. -- Cheers, David