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 C0405CD11C2 for ; Fri, 5 Apr 2024 07:23:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3F0656B0112; Fri, 5 Apr 2024 03:23:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 39FAB6B0113; Fri, 5 Apr 2024 03:23:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 267256B0114; Fri, 5 Apr 2024 03:23:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 089326B0112 for ; Fri, 5 Apr 2024 03:23:58 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id BA1A21C1227 for ; Fri, 5 Apr 2024 07:23:57 +0000 (UTC) X-FDA: 81974638914.20.46EBF5C Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf30.hostedemail.com (Postfix) with ESMTP id 8C60D80005 for ; Fri, 5 Apr 2024 07:23:55 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=W+LuYGzf; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf30.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=1712301835; a=rsa-sha256; cv=none; b=UVrjVr/geAF87bjFMmrCCROyLH8V7xwMrWgZG2A8VKm5YFQsl0R9cb73euqbRiZuPSr0Uw 7ZFCx31bRdq3soc1KlBn6woEeFRYtsuTvPrJgAXl7mBMUc0TmQWBRtKpxyWALsqjW4O8l/ Ai9DYy2gCYS5woly+iAxAC6ELbPRRQ0= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=W+LuYGzf; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf30.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=1712301835; 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=hyo1R3QtTOLcanzfHGfgrbbF7H9moN8DnDsx6EIaaLI=; b=ZGtg4rXuM5Qtehgt6tnJWeW2OsERx2e2q/SihS3HCBLRLadB/oVxAmMQ/EbXuPsiMkDkal bA2IPmiOLOd8ZjMcKyBLD09sNbUDfQ7AocZgGA7F2h4RyTD/vEZB/Vd7JjvdiRoqnajvCU Gu8E7XVqnhRZx6pBmGIlPgGdrDXIp9Y= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712301834; 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=hyo1R3QtTOLcanzfHGfgrbbF7H9moN8DnDsx6EIaaLI=; b=W+LuYGzfewC6/HRJZaXxe/FXubaoLJQ0cCQITiCRzxOb9/hyepS6RYDfkg1ALSCFZNpjSZ 7Z4FFt38w/pNqWngTdi1Yd33qy6xssrCVilXFhMYNMuRRImZ/VAyYs6Aomep3IRiNue5F3 TcDFLyv32vMU/EIsHkZJkWrK4llx1yg= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-30-60G8102AObeMs0uccPGkdg-1; Fri, 05 Apr 2024 03:23:52 -0400 X-MC-Unique: 60G8102AObeMs0uccPGkdg-1 Received: by mail-wr1-f72.google.com with SMTP id ffacd0b85a97d-343bc1e4ecdso398477f8f.3 for ; Fri, 05 Apr 2024 00:23:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712301831; x=1712906631; h=content-transfer-encoding:in-reply-to:organization:autocrypt:from :content-language: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=hyo1R3QtTOLcanzfHGfgrbbF7H9moN8DnDsx6EIaaLI=; b=bjg8tL0HwNSdXxNRDWdSsx3PS3DDknRQM+RKNyOm+RQGb1VLSfra0PAnxXohuyxfN3 ctPip4y8FtCXe6OOyaPk17gbTF8lsZtsKaWgdmOuQqYptIXeY+/gzQD3gvmNbsu6ANfu fWgM4bJcQilOnr713apIsSx2gFa3KIPFYQB6Ju7OYm73RgFiHm9iqCEeM+GU4s5lMpvq sOgKaHNOIQqRB/iFTwTO1DLvIgNnEz8sxZ8tJXxQjfatwzu2Bq8Aor7seHpF2irxUBSp rVB8uuMTcmnhGFbVYxfgzZSGQGwlm7aeUt52g5ZPD7/Aqu+Yiz/OVcq6GR+nxytemCTj I5iA== X-Forwarded-Encrypted: i=1; AJvYcCU/efDoKYa7rLih5ULzbJOObGstduIZaQmCMJFvZgc2dILiZ5XyDVe6MPp+9ZkUsnKOl2ogY00aaiAcvN3AyjO7cpk= X-Gm-Message-State: AOJu0Yx2MxbtLp6YaipMZ0bBYrDcLR3CD0myJkGADjVTMnqbAG+8sPMi 84b84Ee/qcSPAkBXnhRbDbKuxLJt5l3zunNqFQ0SN1rP0ab5ChwgnCaKoSN6XZ+iAqjZ0k7ZeTs YKf9WiOyg1GtBbFkrw0Z+3/rHYYQ/ZtdBfLsWT5/2Z/OBRjLu X-Received: by 2002:adf:fe0a:0:b0:341:d6c3:5c4f with SMTP id n10-20020adffe0a000000b00341d6c35c4fmr610595wrr.21.1712301831352; Fri, 05 Apr 2024 00:23:51 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGKKSjJPfnyRzaAeja192eUd+TzMwHNZ7j3w5NttT2A1temP59zA3ckVU2xYPgoE3Ymrch5BQ== X-Received: by 2002:adf:fe0a:0:b0:341:d6c3:5c4f with SMTP id n10-20020adffe0a000000b00341d6c35c4fmr610581wrr.21.1712301830988; Fri, 05 Apr 2024 00:23:50 -0700 (PDT) Received: from [192.168.3.108] (p4ff2306b.dip0.t-ipconnect.de. [79.242.48.107]) by smtp.gmail.com with ESMTPSA id m16-20020adffe50000000b0033e45930f35sm1310824wrs.6.2024.04.05.00.23.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Apr 2024 00:23:50 -0700 (PDT) Message-ID: <5f9f4019-4e00-45d2-a70c-88eebc0556ee@redhat.com> Date: Fri, 5 Apr 2024 09:23:49 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 01/14] mm/ksm: add ksm_get_folio To: alexs@kernel.org, Matthew Wilcox , Andrea Arcangeli , Izik Eidus , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, ryncsn@gmail.com Cc: Hugh Dickins , Chris Wright References: <20240325124904.398913-1-alexs@kernel.org> <20240325124904.398913-2-alexs@kernel.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: <20240325124904.398913-2-alexs@kernel.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-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 8C60D80005 X-Stat-Signature: e63j3ho6oo48xqj7ks5oq5m1cak36p7c X-HE-Tag: 1712301835-672596 X-HE-Meta: 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 FTcxYi87 7U6A4+9GWtKO91mRmKQZQMxSZBjHJiuLauBODdZ/2JT75amFXtW+rKkePji1oi84DeWl9nmg1CqDM5mCBY89kO3W4eImeXTZZJAPHu/A0Sv6PDC4+BHIyo0aPPT+5w5mJRdjL89UyqB2caKfgXRwCWj+xMIVBzYKnvm7Wu8Ig4zB1fOz+u1ZJ6AsLuVpKwCCTxckdUfB5ZO+Tk7NEAltlE6BWPgrG96I4CCiMyyrodia7V+O8xFjjgWrU3k6WYE1JhIkMEW0zTwBXPoMW9lx9GdmI72l/xycEcigFkbqcaDXZf5f/sSBSGWkSykHki9b3FZz3i7GHSTKky53Ge1XlHxJWnqOnvvUoDO0tx3qv1pplLlZmGhrA4Y9OH3Bw9x4bZYhVyv4UKCa2Lv7J+5EhuBZjnqZq1h2kwybB0MGFTpNuGe4dB8mhouZLo9w9ZOigORED+u6ajMQwJNqcZiM4Wepo/nfEEDaQBtxcSxrylcmZgpAs5VM5DWKQsewx9XwGQcC5yln/gWmdMhN32/PqwrMkVCplKtmbRww4g5TmFD+U6FA1U5seOG0FII19M5zLqB91Jqy2Zo8Pet6jGx70feyNIsmrEcd2gq3970iCGsW9DTD/8vPTx4Ax62l2+uNps00noxfnOC0H5cxamCRPBAULJ4XkNsGwRbWD9sKNmLrl3cCfzFWg1O5ubgeyupQatcR7HPQSpA/12SxwmvAvS3L3/UadlQPSYgJUyYohXSGtAVlz01V//7OHHtjkf/WMWcaAfGaWTEvgceY= 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 25.03.24 13:48, alexs@kernel.org wrote: > From: "Alex Shi (tencent)" > > The ksm only contains single pages, so we could add a new func > ksm_get_folio for get_ksm_page to use folio instead of pages to save a > couple of compound_head calls. > > After all caller replaced, get_ksm_page will be removed. > > Signed-off-by: Alex Shi (tencent) > Cc: Izik Eidus > Cc: Matthew Wilcox > Cc: Andrea Arcangeli > Cc: Hugh Dickins > Cc: Chris Wright > --- > mm/ksm.c | 40 ++++++++++++++++++++++++---------------- > 1 file changed, 24 insertions(+), 16 deletions(-) > Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb