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 2A428C6FD18 for ; Sat, 22 Apr 2023 20:37:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F25786B0072; Sat, 22 Apr 2023 16:37:25 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ED33A6B0074; Sat, 22 Apr 2023 16:37:25 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D9AE66B0075; Sat, 22 Apr 2023 16:37:25 -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 C642A6B0072 for ; Sat, 22 Apr 2023 16:37:25 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 7EF29A0159 for ; Sat, 22 Apr 2023 20:37:25 +0000 (UTC) X-FDA: 80710187250.06.66D0344 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf11.hostedemail.com (Postfix) with ESMTP id 8614B40007 for ; Sat, 22 Apr 2023 20:37:22 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Hb6tYVad; spf=pass (imf11.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=1682195843; 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=JtfJn4MJ6gAop5RVC9IkdG/X2lGlmefMlzt0PDQ6GT0=; b=LRIYfVwO+cbn00aFUunsdDfxF3LuH7VRmGZk7hffd1bnGm91besT2dwYHzzCir3ZXdl9aV UWMBRNnEr/IryRP7cE44yxXc+LzwxQMT0IWu/v944Cg1c6hu19eX1vwHUvcn4kg2YaN6Ft o5FA7Hefv73g8jg5LSwXtXL/2WwGUAA= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Hb6tYVad; spf=pass (imf11.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-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1682195843; a=rsa-sha256; cv=none; b=W93tr93mTOFZEs0APuPzwUM5N8waisSDTkBgKlCdkArLlK63bin5JfjekKN2OvKRLHksV0 8V2xsP9b0QMpJ8eOqkr09MZD6+GTvUittJ1AJl2LYtBbtAPBg179NUTQJna820n996oL1B mIs7FOYoknOZlUFX58Lld708H+5r/gw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1682195841; 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; bh=JtfJn4MJ6gAop5RVC9IkdG/X2lGlmefMlzt0PDQ6GT0=; b=Hb6tYVadIG2irmDI0ZoV0hL5n3R3wgxJ2dKq9ErXexpniw5l9ErFUS+3rTn1VHSnb0vD54 r7hCR9C3oGLNjdnU3Bm1yvloK5cM/wyvd29Lxhwt8SnmsnAvFzfBCCPsge2TacKbuJFdqU AFaFQViONPPshmWH0+FFjmJwWZfcd/I= 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-505-G0qLRiNOP0uZlijzLwwYfA-1; Sat, 22 Apr 2023 16:37:20 -0400 X-MC-Unique: G0qLRiNOP0uZlijzLwwYfA-1 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-3f191fc08b7so6688865e9.0 for ; Sat, 22 Apr 2023 13:37:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682195839; x=1684787839; h=content-transfer-encoding:in-reply-to:organization: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=JtfJn4MJ6gAop5RVC9IkdG/X2lGlmefMlzt0PDQ6GT0=; b=D5VlCeWjGC/tg/ba4GUlk/gQVgGlGad7x24JQVPcZCUgNIoFNbtT6gs39yevw3LCLd Kgi3HU9hjQddMqd7FWd0Qbo2z3jCL+JJXM9WtcQiNK+AwCL9YImyfsoq09Vx9GGZtRDJ MMasNrHqvTq57YtcPZ0uHLQpQpv+lokKc2b/0UUfpHy/mVy3PgBkKhPsaraAlCxYJB4H BJNsI+Xq+aDXvLx2M0Ov6sNWKO1jLKTkGYQHLh+qy5u/65d/u9ECYDMaI+gRbA/yn88s LHH5CpfAhfD+5N86frgQBV6jE9sd8NQ52olEdozRISEsy4xV73DF487Xut3ZnEY055Tk +WWw== X-Gm-Message-State: AAQBX9euq8msVbxjXL3EYWkboSsAo8B3d/TmUr+kL+j+HzBq4SyvpEJd gCe3vxPeQL4vPVSkDXgYPSRO0JbTvov+iR2DLEicxDlTwvspraD+cITuCfxvMrwBsmGRblWxjxv JtZzK6KeEB30= X-Received: by 2002:a05:6000:12c6:b0:2f4:9004:e5d1 with SMTP id l6-20020a05600012c600b002f49004e5d1mr6433256wrx.67.1682195839042; Sat, 22 Apr 2023 13:37:19 -0700 (PDT) X-Google-Smtp-Source: AKy350brEWRc2j/1lTB1hhH396sCW5kPOFS5HHlLH4SuGUb8RXEZYO3FqX77zLOKKoC4NMxhb2GZow== X-Received: by 2002:a05:6000:12c6:b0:2f4:9004:e5d1 with SMTP id l6-20020a05600012c600b002f49004e5d1mr6433253wrx.67.1682195838693; Sat, 22 Apr 2023 13:37:18 -0700 (PDT) Received: from [10.6.143.183] ([62.37.235.193]) by smtp.gmail.com with ESMTPSA id i3-20020adff303000000b002f4cf72fce6sm7269623wro.46.2023.04.22.13.37.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 22 Apr 2023 13:37:18 -0700 (PDT) Message-ID: <5e46b2e0-3a1c-99c7-d0b9-35b617542f76@redhat.com> Date: Sat, 22 Apr 2023 22:37:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH 1/2] mm/page_alloc: drop the unnecessary pfn_valid() for start pfn To: Baolin Wang , akpm@linux-foundation.org Cc: ying.huang@intel.com, mgorman@techsingularity.net, vbabka@suse.cz, mhocko@suse.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: From: David Hildenbrand Organization: Red Hat In-Reply-To: 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-Server: rspam07 X-Rspamd-Queue-Id: 8614B40007 X-Rspam-User: X-Stat-Signature: zsg3bsedbyji6oyysyni3t8ang5fmqn6 X-HE-Tag: 1682195842-508236 X-HE-Meta: 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 28Zyhh54 fviW4xDOi1QEtjtx36qnb9+5PtwLsTRTkrxTKNsc9P/hSjACMvAe/h8qvEiKyUT8cwLWm5e2BMMUiwkk5t8UjruC0LVGdaQAZp/EZ7EeLC08194mck+YvNqk1vAqMX7fxmeXOYhohfxYfjSLhMcgbdVlZufeg/DZZ0N51yWw8wS7s4fILcbgin0Ek2C49zAr/Z9ylhH8JfC8SZEoK5Cx9eot7LA1lR7G/dNwi/GBskOmx4a9hLj5GyH2ADlk17v4kY6W5cRZpSty9d4Hr2wqyIxYhSqIaIGaJip3gxc7/99NOUKARjKfqAzV1ZjhiSEVg4FaFm+GTraCq/EWgw9SmK1FGu+YqHG2+fDZ8i3CNI/+G/ou99NLbGUY5F8jZfxtquWm5gvbPbLJ61/hi0eJ9Y4MN8rdhuQJz+AIRjkGikRzwICKGgZwGl4PUGfkc3mkyaNC+R8QxOhwIPFQMQbN611ic3ri0p3V247KGlQzbjZpEO0AT0oPL79eQ2sXntsOAoRkhq9YtC/1zGBFEfAjPfdFcRAjkl1r/keIC 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: On 22.04.23 12:15, Baolin Wang wrote: > We've already used pfn_to_online_page() for start pfn to make sure > it is online and valid, so the pfn_valid() for the start pfn is > unnecessary, drop it. > > Signed-off-by: Baolin Wang > --- Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb