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 18136C021B2 for ; Thu, 20 Feb 2025 11:17:59 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 779682802C8; Thu, 20 Feb 2025 06:17:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 72ABE2802C6; Thu, 20 Feb 2025 06:17:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 57E322802C8; Thu, 20 Feb 2025 06:17:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 33CD52802C6 for ; Thu, 20 Feb 2025 06:17:59 -0500 (EST) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id C0C221A1069 for ; Thu, 20 Feb 2025 11:17:44 +0000 (UTC) X-FDA: 83140072848.15.C88094F Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf07.hostedemail.com (Postfix) with ESMTP id 31F6240010 for ; Thu, 20 Feb 2025 11:17:42 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=dZJ6kQcN; spf=pass (imf07.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1740050262; 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=BMn6QJgE9cp45+56li4YmXRaruouYPKrnMVzzNl4srU=; b=nNMYd1MiO4JrGYXIfp+83KCaIdeAqVDHLCcRWYhT6FiVvzCtmTkPs+ibEGl5RTIEn6dsAJ 9gM5xCCQZnQV/Ff3CeLw8gFp4XJ+Vh5ydRfu0MCU0Bz3W25/M/SHaw/EsCGrX32l/th4jX ePbLfyWDDr41NGyJYjE3Y6YLLimLDX8= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1740050262; a=rsa-sha256; cv=none; b=Aidh8e9SrbAWcye4AbqhBMeHemonKUkaM7w43k4MFu8tSBn24VrTAbwpY2qqnGJJM1jSCT YAReZOfFID1WY3hfy4ssedR1ZGC5Psf7I8S0wDOlbwvMaBoJmVVeSrwo8NhOsLYQFIvlih onnOTLMrEG8iOhvlspeX59IXrnMp5d8= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=dZJ6kQcN; spf=pass (imf07.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1740050261; 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=BMn6QJgE9cp45+56li4YmXRaruouYPKrnMVzzNl4srU=; b=dZJ6kQcNqmM10hfdqaDAYWzlSUif489b5faD1Sg2aunYMYKnkkDPrjshUwQ5rOeG921kIv 6Z8Tvshe5wxWtwcGM4J9QGTFr9i3SZGSaFCB9mKDpmkNWg6ND2iCxVENjo2cN8NPhGMtsS SQsoYDvZTH38TrT4DxvvvrHsd+XCf4g= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-483-OiPI86hWPX-4FmaUz7nUew-1; Thu, 20 Feb 2025 06:17:40 -0500 X-MC-Unique: OiPI86hWPX-4FmaUz7nUew-1 X-Mimecast-MFC-AGG-ID: OiPI86hWPX-4FmaUz7nUew_1740050259 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-43945f32e2dso9247645e9.2 for ; Thu, 20 Feb 2025 03:17:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740050259; x=1740655059; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:from:references:cc:to:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=BMn6QJgE9cp45+56li4YmXRaruouYPKrnMVzzNl4srU=; b=m+0VX9QqV2ZENR09st2KPWC1MLS2P87f1EzfaMI1PgEQHwxf70b3Ta23O/1yCtCqJc HthqcJyvCRnaWuCaK85aKYUHr8TSZf8nT8IcLMJAraGuP+sb07tqQ7PHyholnAVyAu83 ZovxQFYqYibzyaUKIgkKQmu91ot/f6oXajHM+vYn2LRPjmMONXTojQd/vLqtTi/cNUwV zXgZg0FbbsGje+eemXYSSjslWto+LIIgPDiahCHWYauP+eedwxk5VpKqxFtLZMxTKslt Ju9tLTTNmRcXtJVZI1+S/rRK+Kc58MoSBckK/lUOkQ4NvXgSU+oposJUoa1f1/35mqLm lf4g== X-Forwarded-Encrypted: i=1; AJvYcCXLAvD0h0Nu1luOEv1fP5bBsI10gZloivkVJATAuA1HTDF1ZKruFL9L8e0had6y0b4Woh4Mqy52iA==@kvack.org X-Gm-Message-State: AOJu0YwfqxFwjJz7r8LG7G1yeJFeB4ZNvt+L5zFJ7hzfUDjpeIp07b3W XOLKxciD1rmcz5ZcdlFJQw1vwq7Qjjw5e+fOoSMc1GWpgNZG2v19rM+GtMZfatd2bXs5s7kygUy g2JH75KKnPhYRGnme8gfJ6sqlkJsDg2yE/ACMzhgPMU7XSSKY X-Gm-Gg: ASbGncuJH6i1aon3oDlNSNb+0NNtL2mNOMyFuNvII2ILCR3p1Fh29QkbiWAjYNBjMkM Na6pmKzlxvRlR7ZQ8qgPhf0xZiI3yz9JycpMitdYPP4W/Rj+4CKKhz3QRV7hvVXcwM2E01lsgqh gatUxPw1vC3o+360tBl3UXebrEe+2HbkfXlgIkt8mZ2l2/1MOK2PcZPe0O4b892m1YSbPEt0NZQ RFzVhbC6BMVIg4VB9Lsk5m7qde6HtOhblcktelNooFXPvkEtOS+5dg9y9ZRRi5xJysTdP8L7uYU ZNSdso3f79MO1VXiyNNsd3IB1PYGeaKa5y32lushXXPJWjKwkKq7/784u7YOlfSe0OdhyDG7C09 9Y/w3IAcHNsiBMEnXi5VoOxxauZB+2Q== X-Received: by 2002:adf:f647:0:b0:38d:d666:5457 with SMTP id ffacd0b85a97d-38f33f510eamr17895345f8f.42.1740050259138; Thu, 20 Feb 2025 03:17:39 -0800 (PST) X-Google-Smtp-Source: AGHT+IFAWpGKb+VRbX8V/0cHvWwMEfIV3NJuRLEqCxx7q4CgyBacCGhlk+Jhm/m9QHSMb7qLmQ3DtA== X-Received: by 2002:adf:f647:0:b0:38d:d666:5457 with SMTP id ffacd0b85a97d-38f33f510eamr17895289f8f.42.1740050258700; Thu, 20 Feb 2025 03:17:38 -0800 (PST) Received: from ?IPV6:2003:cb:c706:2000:e44c:bc46:d8d3:be5? (p200300cbc7062000e44cbc46d8d30be5.dip0.t-ipconnect.de. [2003:cb:c706:2000:e44c:bc46:d8d3:be5]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4399c5f901bsm23467455e9.3.2025.02.20.03.17.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Feb 2025 03:17:38 -0800 (PST) Message-ID: Date: Thu, 20 Feb 2025 12:17:34 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 01/11] mm: Consolidate freeing of typed folios on final folio_put() To: Fuad Tabba , kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org Cc: pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au, anup@brainfault.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, seanjc@google.com, viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org, akpm@linux-foundation.org, xiaoyao.li@intel.com, yilun.xu@intel.com, chao.p.peng@linux.intel.com, jarkko@kernel.org, amoorthy@google.com, dmatlack@google.com, yu.c.zhang@linux.intel.com, isaku.yamahata@intel.com, mic@digikod.net, vbabka@suse.cz, vannapurve@google.com, ackerleytng@google.com, mail@maciej.szmigiero.name, michael.roth@amd.com, wei.w.wang@intel.com, liam.merwick@oracle.com, isaku.yamahata@gmail.com, kirill.shutemov@linux.intel.com, suzuki.poulose@arm.com, steven.price@arm.com, quic_eberman@quicinc.com, quic_mnalajal@quicinc.com, quic_tsoni@quicinc.com, quic_svaddagi@quicinc.com, quic_cvanscha@quicinc.com, quic_pderrin@quicinc.com, quic_pheragu@quicinc.com, catalin.marinas@arm.com, james.morse@arm.com, yuzenghui@huawei.com, oliver.upton@linux.dev, maz@kernel.org, will@kernel.org, qperret@google.com, keirf@google.com, roypat@amazon.co.uk, shuah@kernel.org, hch@infradead.org, jgg@nvidia.com, rientjes@google.com, jhubbard@nvidia.com, fvdl@google.com, hughd@google.com, jthoughton@google.com References: <20250211121128.703390-1-tabba@google.com> <20250211121128.703390-2-tabba@google.com> 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: <20250211121128.703390-2-tabba@google.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: x1hjm61-tov2aw5SSlEUTtofdPwnHsedig7tK4Zc1Tc_1740050259 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: 31F6240010 X-Rspamd-Server: rspam07 X-Stat-Signature: p1jsagyc4s74c6axbh33aazszqcpn36k X-HE-Tag: 1740050262-125806 X-HE-Meta: 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 OjYqvHrW 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 11.02.25 13:11, Fuad Tabba wrote: > Some folio types, such as hugetlb, handle freeing their own > folios. Moreover, guest_memfd will require being notified once a > folio's reference count reaches 0 to facilitate shared to private > folio conversion, without the folio actually being freed at that > point. > > As a first step towards that, this patch consolidates freeing > folios that have a type. The first user is hugetlb folios. Later > in this patch series, guest_memfd will become the second user of > this. > > Suggested-by: David Hildenbrand > Signed-off-by: Fuad Tabba > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb