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 E087F606A31F for ; Thu, 29 Oct 2026 11:08:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=IjQKIYSh Received: by kanga.kvack.org (Postfix) id 06B146B05B1; Thu, 29 Oct 2026 07:08:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 01B786B05B2; Thu, 29 Oct 2026 07:08:31 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E25CA6B05B5; Thu, 29 Oct 2026 07:08:31 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id B2DAB6B05B1 for ; Thu, 29 Oct 2026 07:08:31 -0400 (EDT) Received: from smtpin15.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 1095B80360 for ; Thu, 29 Oct 2026 11:08:30 +0000 (UTC) X-FDA: 85375390380.15.CC23739 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf07.hostedemail.com (Postfix) with ESMTP id 446C14000A for ; Thu, 29 Oct 2026 11:08:28 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=IjQKIYSh; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf07.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 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=1793272108; 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=QV6ru4LzI4CmXf0yaBqGi/sbD2aGTH7mnJBOmjBV1oc=; b=CAEF0Q436g/RCxIiymvRLCFHBumYr6Fg7xTEg422pkaYUI1Ip4SZnpeGkyvd5MW1Gpzn+n MQopBao3HQy4Qs0AzFmgqd3NYh7qhcNUR7J2D3nLprPUqoQrcajUQDFPJgVb5u++C8LXKM 71RkT9iBoyh38872f78nndzlNG5DJFU= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=IjQKIYSh; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf07.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1793272108; b=FcQqw16acngz84fV53xHxNJ+uzNQWi3MfWmcZ78br85S+eUhhJ4hb+EvuQek/DSTjdDLz/ sltmo8YJ6lpEtBOxtVSrWVaVuJayCYYqokfiTIoRz7QgOmNpAOwUR9SAfjjeNMtCDU3Gym vHN+3b8NjWZtYmfEOXFK181nSAsL0x0= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id BC104600D1; Thu, 29 Oct 2026 11:08:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 731B71F01825; Thu, 29 Oct 2026 11:08:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793272107; bh=QV6ru4LzI4CmXf0yaBqGi/sbD2aGTH7mnJBOmjBV1oc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=IjQKIYShgiE1rHAvQH2KPIVlfVgKLAfAVVuy1LgzyIkRjQUS5c0qN49WPwNuoMLiu qwYXlmc5f64RZ3uwGFEjS2+ey0B4Vf+2lp+mP3KT1rEK9TbhXGv5QiJ8afeiDXN5GT zvTh/VJAQaLji7/gyKTR6gZfnTg4h/gekBSRxpBkFPRmGdlfGmbrs7t9cRLirh/yXJ Yx5YxXpDflbIdzD2F7D5oqFAmIoaJli6PqrB17xUUsm0ZR4JCvxxi3Km/0xBDOd968 OyEiJzB71FHfXcyGzxQ3NifZ7+TiK7Vft29v2wLdVp5L6VQ25nFdpwgBv6Onjgx7tx 8HpgWODSQ9wHQ== Message-ID: Date: Thu, 29 Oct 2026 12:08:05 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/46] mm: various (urgent?) fixes To: Andrew Morton , Johannes Weiner , Michal Hocko , Qi Zheng , Shakeel Butt , Lorenzo Stoakes , Kairui Song , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , Baolin Wang , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Kees Cook , Peter Zijlstra , Jann Horn , Pedro Falcato , Hugh Dickins , Pasha Tatashin , Pratyush Yadav , "Matthew Wilcox (Oracle)" , Jan Kara , Zi Yan , Lance Yang , Rik van Riel , Harry Yoo , Alistair Popple , Nico Pache , Ryan Roberts , Dev Jain , Usama Arif , Kiryl Shutsemau , Matthew Brost , John Hubbard , Peter Xu , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Oscar Salvador , Minchan Kim , Muchun Song , Xu Xin , Chengming Zhou , Chris Li , Kemeng Shi , Nhat Pham , Youngjun Park , Gregory Price , Joshua Hahn , Rakie Kim , Ying Huang , Jason Gunthorpe Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-cxl@vger.kernel.org, Josef Bacik , stable@vger.kernel.org, Chris Mason References: <20261027-fixes_core-v1-0-6f74bec9a5bb@kernel.org> 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: <20261027-fixes_core-v1-0-6f74bec9a5bb@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 446C14000A X-Stat-Signature: gdcfsyf3jfgc7fdnxkoxg5yxynd1a1oy 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-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1793272108-444817 X-HE-Meta: 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 bver6Yo3 jn9+2DHYI0HCsKPNeBNoNTsmORtrJwATogxB9XHE7r5JIxmwmFDDOtolguoJGXCS777cEposWkGmGtDsqRnGeYo4P0Qa8L+kh+feYkmNgBRv+9dACW+k/VloXRhIUbi34mCeXeMdlMID7U3L3ie+KDCBKz8eQw0y8v6scrbIIqMOI3VMH/NT4Wo3aPlmquYPOmv0D67tyoSpzjCh2XRlZ6ik3dts7YIUxb9JcDXb25Ul1VbRjlVHpld364Sd01nH5gSyR9UmbDHR2oFA+P3/bF1o9e7eD9L6Vth4exImq6ud3fM+/0dvQSIH5l7gK161bzlSnTiIqSh2yRZ2md0st3poQYPHaXwyCBP2uhEKUuf2J3QqTL8o9OLryqw== 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 On 10/27/26 00:17, David Hildenbrand (Arm) wrote: > Another set of fixes from the current batch that focuses on all core-mm > things that won't be sent out separately by others. I decided to bundle > these together as they are all over the place. > > I have some hugetlb stuff in the works which is pretty horrible > (code wise ;) ), that I will send out once ready. Plus some > low-prio migrate_device oddities + two core-mm things that need more > thought. > > This is the biggest set of patches coming from me, so don't be > scared ;) > > Once more, some of the stuff is more urgent than others. No fixes are > crazy big and most are easy to review. > > The majority are again fixes from Anthropic that I cleaned up or reworked. > While doing that, I found a bunch of other issues and tried to fix them > somewhat cleanly. > > I gave it at least some basic testing on x86-64; more testing will be > highly appreciated. > > This is based on akpm/mm-stable. > > As with the shmem fixes, please prioritize review of these fixes, I want > to get fixes for the issues in a timely manner upstream. > > Thanks to everyone helping out with moving the flood of fixes forward :) Thanks a lot everyone for the review. I think I have tags on all except one fix: [PATCH 42/46] mm/huge_memory: split huge PUDs when adjusting VMA boundaries I'll likely send a v2 this evening/tomorrow and then try to get these things into linux-next by picking that. -- Cheers, David