From patchwork Thu May 25 04:01:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haifeng Xu X-Patchwork-Id: 98769 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp101309vqr; Wed, 24 May 2023 21:17:30 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6A0jYVeUFo5wu2EAbsEPSZG+w/NQIVQOpYqlJKG9pZf/FmIizwYGiNW7fDQ4Ee7mOfO5Z1 X-Received: by 2002:a17:903:22cb:b0:1ac:a88a:70b6 with SMTP id y11-20020a17090322cb00b001aca88a70b6mr269670plg.31.1684988249778; Wed, 24 May 2023 21:17:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1684988249; cv=none; d=google.com; s=arc-20160816; b=Zea4xiwr8aKnyl+DjgbtMKD9Z5J2p+japH+IWEvjrVqPzET919NVGzJynbko7+vRtC IhYJq5v5jZBM73R39rE7Wjx9XKd5dFH5V0bMkEysH3SGn07DqlCi7z+7BTxaQ0YHTnQZ 7Pob7xg4+FnGF5UJYgSO/ySohky+q4DzBmgXjPjTNe0fXVYWR5jWS+rt8+xcKScBqo7s P62P1Jt3PgCsyN8gYrcIsKYvh9H48/3AfopPQBNO6P2++ZEIEwQLRWJwcoqppIHUmL1D 2k4nffTY1xklsPAUahHJGjtjSiXz0PiTVjHjjTo3ClHXM65vAnWa2umsXev84thh0Mwo rEpg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=ANsIwyslEqWqt/AnM3EiaC6NohGcLnN3qIazUJUVzP4=; b=Xl+XRzpOb+3XDiYg+4salb9HL1dtEYgzM3KaPXOKLk4MbD8t02Z14vAMkYGIlSfrlX 2ST6sP9qZB7fyRDj3Q3c/1q5HBiUfuXmK2tGI3wN80UMUC8RBYvpm9mCnRs/pJNSRvcn lZ4WgpXDj8caFOQ+uw39IxCS5wZZkIH5D9i06faTqWeQIHjY7Hq4GGc9e3pOMvjfgkqv k82+3cRu5EKWcXSB8Si4ifVd5FMQ63IpOC0vIC+14tf3v6Ni2KtadVnNRmlNOnz2AK0L myz/7h/SVgvS+lGx7hxUfpna2fhctTj8ESkeBlol3MfLt7uqZlpwS4XkhhnNNE8pgrlD tHCA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@shopee.com header.s=shopee.com header.b=NQJaaIdz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=shopee.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id r3-20020a1709028bc300b001a92f0f46fbsi497854plo.436.2023.05.24.21.17.15; Wed, 24 May 2023 21:17:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@shopee.com header.s=shopee.com header.b=NQJaaIdz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=shopee.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230118AbjEYECu (ORCPT + 99 others); Thu, 25 May 2023 00:02:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229441AbjEYECs (ORCPT ); Thu, 25 May 2023 00:02:48 -0400 Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54649135 for ; Wed, 24 May 2023 21:02:47 -0700 (PDT) Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-64d24136685so413506b3a.1 for ; Wed, 24 May 2023 21:02:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shopee.com; s=shopee.com; t=1684987367; x=1687579367; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ANsIwyslEqWqt/AnM3EiaC6NohGcLnN3qIazUJUVzP4=; b=NQJaaIdzuOmU2ZfoUS/HfLXDpN2lpDz6rxgmnio+kZPpgUMm8yFkHv0hT8FTIcZdVt Ro2TjOvsYI8Sjxrlcl9/rf95KDbQVHMgA1b5mYpT8p72lDYlZA1C5tZy72BZcjaAxdWv 5LloYVYAxTGN2gD10YUAommoIjdIy/149C79MorSY1AtC/EmTjZy/5Hg0tgXhtqZ/Adr CiNne8GdcsARkuTNHNT6MOFjZ+iM6Ydix0MCy/3hqzvExsAklMKN0t5GFNMkV3NW//HI n07UXJRmrOF6W2ZNXMqSbRAxdQBg4fDRbECDjakujwM97aOUZD9iU/igqiVV9oKC9mxF Ghjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684987367; x=1687579367; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ANsIwyslEqWqt/AnM3EiaC6NohGcLnN3qIazUJUVzP4=; b=V3nxlHfZg+9F8m+NXlsjC0Szs6tR/e8rgBtt1KauIlgRnHPb9s73vge3AcwwUXKZcq kDZnuNMH78yH/VzvrZ+rpOjOE/pBK9fwRVc9pq2MuMcYjC70xMoRmPVCB1F45w//exul bEbbS0suDj28zNGeanUS0fSI6v7+a5w8pJcCEYHqJQxyCTr6ED5p4Hf57pfh09BhoVEm 3rdV9aZAnFgzQWaQBnbB8oYTusCRvPxIzvQXYH4FoLjDIIxzsXb5OGOBY6aD1sMhk/GD JmXBrNGDIvCVaSxIRGAW9Qw6o6+kOBkkvbZpoD5zmwdvrXC8at+5+laDt+mRkfePzyRo DSMw== X-Gm-Message-State: AC+VfDwFgKCziULzV2w/Q8bnvC51xc1ktgPSeclSu6a+wTKISLUR93qN 7gQ/t1BDbjo0E0D5T80aeueaIB2HVLlHgaqLdUktl63A X-Received: by 2002:a05:6a20:748e:b0:10c:b9ed:6a3f with SMTP id p14-20020a056a20748e00b0010cb9ed6a3fmr1539402pzd.7.1684987366781; Wed, 24 May 2023 21:02:46 -0700 (PDT) Received: from ubuntu-hf2.default.svc.cluster.local ([101.127.248.173]) by smtp.gmail.com with ESMTPSA id i11-20020aa7908b000000b0064c56d04316sm189916pfa.193.2023.05.24.21.02.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 May 2023 21:02:46 -0700 (PDT) From: Haifeng Xu To: akpm@linux-foundation.org Cc: mhocko@suse.com, david@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Haifeng Xu Subject: [PATCH 1/3] mm/mm_init.c: remove comments in zone_spanned_pages_in_node() and zone_absent_pages_in_node() Date: Thu, 25 May 2023 04:01:48 +0000 Message-Id: <20230525040150.1588-1-haifeng.xu@shopee.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766838238818194320?= X-GMAIL-MSGID: =?utf-8?q?1766838238818194320?= Since commit 03e85f9d5f1f ("mm/page_alloc: Introduce free_area_init_core_hotplug"), free_area_init_node() doesn't get called in hotplug path anymore, so remove the comments related to it. Signed-off-by: Haifeng Xu --- mm/mm_init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/mm_init.c b/mm/mm_init.c index 7f7f9c677854..cf55bba04b23 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -1174,7 +1174,6 @@ static unsigned long __init zone_absent_pages_in_node(int nid, unsigned long zone_start_pfn, zone_end_pfn; unsigned long nr_absent; - /* When hotadd a new node from cpu_up(), the node should be empty */ if (!node_start_pfn && !node_end_pfn) return 0; @@ -1227,7 +1226,7 @@ static unsigned long __init zone_spanned_pages_in_node(int nid, { unsigned long zone_low = arch_zone_lowest_possible_pfn[zone_type]; unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type]; - /* When hotadd a new node from cpu_up(), the node should be empty */ + if (!node_start_pfn && !node_end_pfn) return 0;