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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11A9DC47DD9 for ; Fri, 22 Mar 2024 12:49:46 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8146A6B0082; Fri, 22 Mar 2024 08:49:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7C5746B0087; Fri, 22 Mar 2024 08:49:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 665F36B0088; Fri, 22 Mar 2024 08:49:46 -0400 (EDT) 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 589766B0082 for ; Fri, 22 Mar 2024 08:49:46 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 217F3160969 for ; Fri, 22 Mar 2024 12:49:46 +0000 (UTC) X-FDA: 81924656772.15.5F179D9 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf10.hostedemail.com (Postfix) with ESMTP id CF3D2C001C for ; Fri, 22 Mar 2024 12:49:43 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=eSj4WikU; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf10.hostedemail.com: domain of david@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=david@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1711111783; 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=Q2mQqmu1yhBLegVVt4qGiuA6vg+hFFfWaUpT4L6I4Xo=; b=4JB4JcbJ70C1X5ik79SQLFK6QOITGb/uc11SQz4IUVHSvqde/vsaOxjAZ8TpRogEGnMPgx jwCvC6LSVuCgMSWeR+bvUnVWqb9x8TodN7CNtgPsVyONzcHYha+qcRK3n+8dEAFQ3/tUgz aWRpZqz0/3akoYckygCFxJl+4ToI7zo= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=eSj4WikU; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf10.hostedemail.com: domain of david@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=david@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1711111784; a=rsa-sha256; cv=none; b=0iEFeh9W5fjvRVR1ftzL6kUwihRYT7V7U4+iSwFStBdXuj5vFAob3OKsRGfGk3dtk0xzbS FvpuXrnubjTyvOFTmraUVZfzr9AqZ26zgk284phs7FlY5R1VIRBB6wYSnieBo4T+McqNAw Hk6lXbctmo9vvxb/Z1fzc9nZjzC37To= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1711111783; h=from:from: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:autocrypt:autocrypt; bh=Q2mQqmu1yhBLegVVt4qGiuA6vg+hFFfWaUpT4L6I4Xo=; b=eSj4WikUw6A8I2Q60yjNjXniew4OXvYAMLoBwsTgCUvPzx5JcjQYou++kIGRZCenAYsQ48 kIV/8v9C6FBcVI3pKnNQ0IKdgcODPHyB0qUUHb5AdJCICitbOtdZZVonTchoQYNQi2poEo RxcqELrGhJBAA0IHqVdq8pD09/SgWmo= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-388-1bJCE2dgOMqj7hKtOQ_EXA-1; Fri, 22 Mar 2024 08:49:41 -0400 X-MC-Unique: 1bJCE2dgOMqj7hKtOQ_EXA-1 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-4140d2917e6so11464135e9.0 for ; Fri, 22 Mar 2024 05:49:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711111780; x=1711716580; h=content-transfer-encoding:in-reply-to:organization:autocrypt:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Q2mQqmu1yhBLegVVt4qGiuA6vg+hFFfWaUpT4L6I4Xo=; b=SYn/NlY0rLrhjr9IIi/ObfVUvGtFMJiWwcIEbcVfeONHEUeLjfd4wq/EnKRjbRjTeJ LoO6GqqZso+vNyPqPETU1dTNsz16oZqz66qQoeUNpDa396YLmHcb5PJHJWGxTThsmQZt SNTAVLOIQh8gh7qrvMEvifnFsA0S9UJ7zczKw3VZ1G5CCu8BsMsJVMHE1z7mw+o1Dtg2 gTbaOU5YimJ0uJdy1PJSF1vndPOTJdU4pZ+bqzAyuFx9Fx+qq56NwwSrlO+N+bIUZ0HW hOuoyOcQXaxDKI1XP/kppalNVJ5YRHMXzl9pwJXZQ5dRYPZAgV5gcA2h8FZiyLAU8EDG Ca0A== X-Gm-Message-State: AOJu0YzA8Ib04XxIWraco2iNe/3YS+roL+gF2kCviaDgHrELG+pOArbO HJaZYGxK9j1XIkbtD3nhdsD9hfSeeih3uHqCagqe1pLvHMzYWNOh/rijT98nwwyRzI5MUDqrNZy AsllPEYMiXRjjJfndjm80zcgjlNULqVyFIC4mZ9S4isE3QPiU X-Received: by 2002:a05:6000:4c4:b0:33e:3d3c:46f0 with SMTP id h4-20020a05600004c400b0033e3d3c46f0mr1301634wri.0.1711111780168; Fri, 22 Mar 2024 05:49:40 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF8uYKAMhPMvjKkhyL32rOKn7MRRRVpP0MlhF5FWFiqvPzVt152J9owtP5/71u4p6xDptWW/A== X-Received: by 2002:a05:6000:4c4:b0:33e:3d3c:46f0 with SMTP id h4-20020a05600004c400b0033e3d3c46f0mr1301624wri.0.1711111779703; Fri, 22 Mar 2024 05:49:39 -0700 (PDT) Received: from ?IPV6:2003:cb:c71b:7e00:9339:4017:7111:82d0? (p200300cbc71b7e0093394017711182d0.dip0.t-ipconnect.de. [2003:cb:c71b:7e00:9339:4017:7111:82d0]) by smtp.gmail.com with ESMTPSA id ck8-20020a5d5e88000000b00341ba91c1f5sm688916wrb.102.2024.03.22.05.49.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Mar 2024 05:49:39 -0700 (PDT) Message-ID: <88566c29-9641-4971-8b3d-163e97b982a1@redhat.com> Date: Fri, 22 Mar 2024 13:49:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/9] mm: Always initialise folio->_deferred_list To: "Matthew Wilcox (Oracle)" , Andrew Morton Cc: linux-mm@kvack.org, Vlastimil Babka , Miaohe Lin , Muchun Song , Oscar Salvador References: <20240321142448.1645400-1-willy@infradead.org> <20240321142448.1645400-2-willy@infradead.org> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20240321142448.1645400-2-willy@infradead.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: CF3D2C001C X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: k11uzso1xcfeachpa8ddgmm5osicdy56 X-HE-Tag: 1711111783-208938 X-HE-Meta: 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 1/zjDxmu 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000027, 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 21.03.24 15:24, Matthew Wilcox (Oracle) wrote: > For compound pages which are at least order-2 (and hence have a > deferred_list), initialise it and then we can check at free that the > page is not part of a deferred list. We recently found this useful to > rule out a source of corruption. > > Signed-off-by: Matthew Wilcox (Oracle) > --- Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb