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 20705C71157 for ; Tue, 17 Jun 2025 15:49:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B461A6B00A4; Tue, 17 Jun 2025 11:49:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AF6256B00A8; Tue, 17 Jun 2025 11:49:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9BDEF6B00B4; Tue, 17 Jun 2025 11:49:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 886266B00A4 for ; Tue, 17 Jun 2025 11:49:00 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 4CB96C0588 for ; Tue, 17 Jun 2025 15:49:00 +0000 (UTC) X-FDA: 83565326040.12.DD3D2E0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf14.hostedemail.com (Postfix) with ESMTP id A4B4D100002 for ; Tue, 17 Jun 2025 15:48:57 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=eC0am+n1; dmarc=pass (policy=quarantine) header.from=redhat.com; spf=pass (imf14.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=1750175337; a=rsa-sha256; cv=none; b=7ITTSZmzeDvu4WEUg06UtHOIH2tuSqHBSeyt6d8NSYMHCS2UHenJwYm7+SgB/4mxNXn2Gx ytmsMPnCcMzpLuXt78nyS2qQ6hL4zVY4CWNiZSBJNu31ST0ybGgY95xYDtY+xLNSbFkTRL dNHQofSCWjBKWa7xQe7DngTneuGUk20= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=eC0am+n1; dmarc=pass (policy=quarantine) header.from=redhat.com; spf=pass (imf14.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=1750175337; 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=YiX9Kkg4lLe3CUJ/v7bcM16XX4W/Mb03rsmgcocbj/g=; b=exAHkTVZHpqb4ymr7M41s1srhwIs14lVV89MniuyylDWmorOPtVozDkgMh4f+MivRnNODB NHA8DQ5qn1uSR2L+qLMeqsSjmYefcNp8joZV6GY9Vhup2MemMzwrcdlPtJhR22ecE86fwb zr+n+AKwqZ33N7pxu9BJn7VHPj7h8PY= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750175337; 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=YiX9Kkg4lLe3CUJ/v7bcM16XX4W/Mb03rsmgcocbj/g=; b=eC0am+n1++3i0qjd6xPOFXzjDeOLCufaRGcz0IUVhgg8KEnWcYzzGe3V2NjQVo8fpvdBFJ DSI+xM/PW5EoYZ0YtNqaZ8ToLuZiDb9CFuREZ0YerCUFtPOpSeRyuenbpbyHyuNw3OFeaH tc14bzK+RgBQEQUXMuBoM7F8HZ9BFlQ= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-338-7ywJxcKYNVeqqC2szE_JTg-1; Tue, 17 Jun 2025 11:48:55 -0400 X-MC-Unique: 7ywJxcKYNVeqqC2szE_JTg-1 X-Mimecast-MFC-AGG-ID: 7ywJxcKYNVeqqC2szE_JTg_1750175334 Received: by mail-wr1-f70.google.com with SMTP id ffacd0b85a97d-3a58939191eso376744f8f.0 for ; Tue, 17 Jun 2025 08:48:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750175334; x=1750780134; 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=YiX9Kkg4lLe3CUJ/v7bcM16XX4W/Mb03rsmgcocbj/g=; b=AYWPcVBnRLsm/3pcHzbiBfYur0GvUTjeGE+Pp4iqcKHm5sLilWthh0d5m27Taz9HXo 7YjTPW19E9fUzrOddftlqdoJnLWMBMlJJwLOyrVUuiLIChMl+NR9sijqtP0dLQByk3Ea tzWqqx6Dhua8jmdEJQlAJvbFdR8dB/9BjVG3dGcaLBh0XYloFZPcUif9vsRxWmCEDoA2 ExtKcvrE+wLZkFs2xK/8s//hCS4qXVPEWzujmA2YvpGFzFiwmY/wvSuGUyHkdkMNrgpN 3Soj7MbKXMdrkADGDNjwoGYINh+h5rYHR+S+mwUMMsZ48VmXuOf8dPDrNJdoR5d0xA6E 1n5A== X-Gm-Message-State: AOJu0YwDWjypqiRLQ8cZ5FpQc5nXkE/k9Qen+0jpCQPQ4d2W05ud9gmP db0/7hhF9tcYY9p6sEhJ8n1CKmmoO0ObYBSCshVVmWp1MzFZ+5lkfRy5nH/49HQ7/v3iFXyGdfZ GRjVolQHzIMXNtoKXZ2Jw9layvvw7WGTJUYE0RV5yFDowra0EXtmqsRXpNQ5eGQs= X-Gm-Gg: ASbGncsqC3sZePClvMw1koLFAM+/THQMbe9N8TGx++AVNwrNSHJegz4PU76dYh5BuXp kMF36KS9+V7JS5x7sF3PiulF6XtkFPQ2TH4L69zH4Yyffz6YEdUE4ndExPlFydXX9L4BmKW/aJx CB6LQqTcN0EqLMASCccs+grdXQAG99K/S+NXNsNlrA1QIB70yjpbYjt9nFXzII/0KhJFhXC05dZ Rq9OCFdhrc/kT5sQgY4xHuFCFKP9c9rg+IdQfqQ/v9J17fAQzPG45Z5XFtnxQwasS+aMO3owVX3 L7l1RTi80QHmnbnGiCQ4dq7qEWkvB1PxOOqfpIaLNkjsogz8nSsBvNpFgPW6g9C0rCCmzDgkcX6 QbUALtxRxD5ymNsqNepSTirScgWUNRa12zNA8F0VLAm3LMRs= X-Received: by 2002:a05:6000:2585:b0:3a4:fbaf:749e with SMTP id ffacd0b85a97d-3a572e99648mr10002937f8f.49.1750175334505; Tue, 17 Jun 2025 08:48:54 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF6kGWWtH/t4NIiGM+jiDviDgxJxLiw/9P1H1XacBb8z2/gtdmB8LBxdt3t6T5OAHHu2R1LCQ== X-Received: by 2002:a05:6000:2585:b0:3a4:fbaf:749e with SMTP id ffacd0b85a97d-3a572e99648mr10002922f8f.49.1750175334142; Tue, 17 Jun 2025 08:48:54 -0700 (PDT) Received: from ?IPV6:2003:d8:2f31:700:3851:c66a:b6b9:3490? (p200300d82f3107003851c66ab6b93490.dip0.t-ipconnect.de. [2003:d8:2f31:700:3851:c66a:b6b9:3490]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532e254396sm184305065e9.28.2025.06.17.08.48.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Jun 2025 08:48:53 -0700 (PDT) Message-ID: <6c329b3b-97ed-4e5a-9e71-e4b737b50bd3@redhat.com> Date: Tue, 17 Jun 2025 17:48:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] mm/ksm: calculate ksm_process_profit more accurately To: Longlong Xia , akpm@linux-foundation.org, xu.xin16@zte.com.cn Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250604031758.4150209-1-xialonglong@kylinos.cn> 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: <20250604031758.4150209-1-xialonglong@kylinos.cn> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: WTLcC6MtZPrxqNpaUowFR6GIURcEl0U7c7oyoVHQcrs_1750175334 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: A4B4D100002 X-Rspamd-Server: rspam10 X-Stat-Signature: zwxnzo5eupe3qgk3nrmwwthcghscbmts X-HE-Tag: 1750175337-698048 X-HE-Meta: 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 Ig6HosnZ OG157Wpw6ChyKKgTH7FZ4AxquTi+PB0XlJabN47oIIZcZo8mZk81lsSwyxfnFUrWkLuGrg9lkJ6MuZrqYvnw5zmiVTy9VtKvaZn7coT37okGjiT13+dy5gadak2YEcwzvJ2bAfblfqa1VkiZlrP6+egjPpMqsZsskmElwQyEV5DVmg1yqptiiJPpMMrz+CEJG/z0H59T2esf4HIHafd4ZGAunZbq2NIhi9+YUnHpeUlb7RTeruhsJoV8aBBVp3w9KFSIrZPkQuRPqu36UqwQxjID+GG63y534/gRu7vyLiBdem01UhZIhiCMBerEw987tVha7MfmrH0xRuZcR+HXSjWkaizdIWjk+G9OI6j/WzTWSQRQf0dbq/thQKX1U4W1hRVDcnFTJ2GuCHrqbwztqAcLIjfyJ1tBZN5wsq8b+26LzSP1g/G0WUuEnAcuupHzf9WCu 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 04.06.25 05:17, Longlong Xia wrote: ./scripts/get_maintainer.pl is helpful to identify all people worth CCing (such as, all maintainers). > During the KSM testing, it was observed that the sum of KSM profits > for each process does not equal the general_profit. > > The reason is general_profit_show() only considers ksm_pages_sharing, > whereas ksm_process_profit() accounts for both ksm_pages_sharing > and ksm_pages_shared for each process. By concentrating solely on > ksm_pages_sharing, we can achieve a more accurate representation > of actual profits. > > Thanks for review and comments! > > Longlong Xia (2): > mm/ksm: calculate ksm_process_profit more accurately > mm/ksm: Rename ksm_merging_pages to ksm_process_sharing > > Documentation/admin-guide/mm/ksm.rst | 6 ++--- > Documentation/filesystems/proc.rst | 6 ++--- > .../translations/zh_CN/admin-guide/mm/ksm.rst | 8 +++---- > .../translations/zh_TW/admin-guide/mm/ksm.rst | 8 +++---- > fs/proc/base.c | 10 ++++----- > include/linux/mm_types.h | 2 +- > mm/ksm.c | 22 ++++++++----------- > .../selftests/mm/ksm_functional_tests.c | 10 ++++----- > 8 files changed, 34 insertions(+), 38 deletions(-) > -- Cheers, David / dhildenb