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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E234C433FF for ; Fri, 9 Aug 2019 12:57:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2B10921743 for ; Fri, 9 Aug 2019 12:57:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B10921743 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9CCCB6B0003; Fri, 9 Aug 2019 08:57:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 97E0B6B0005; Fri, 9 Aug 2019 08:57:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 86AFB6B0006; Fri, 9 Aug 2019 08:57:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by kanga.kvack.org (Postfix) with ESMTP id 616916B0003 for ; Fri, 9 Aug 2019 08:57:36 -0400 (EDT) Received: by mail-qt1-f197.google.com with SMTP id k31so88848385qte.13 for ; Fri, 09 Aug 2019 05:57:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:mime-version:content-transfer-encoding; bh=iCjrBj5hwHR2FKNoOwDFbTFqGlSuJB3B8zikiGf9aMU=; b=l+yuvxXgOILrRcfI8x4BKQiPvqinBRS9jGNwyRdqH3Knhd6oi2WhStTNDdm8Fq9eGD qtrVWcINSGdztcGibTjPCqt+v2BRk5qleNFEBq03UegCx9TqDCYWsnt/d7TYlqxemeyA 6aEDTmETZcYAy3g78ef3sXKLi6gI7xoBka4ffNnpeeVfiWodTjB9il5v4Ud7w9gncEM1 bn8J6OzZUa1u70sY7KvuqVk05qc86Xxh3F6vIPJZ4PbhR5HiFr7BT0XNZJZ2n5oC/KyU +tuOvjcCAlVeTEGbyqC3+btD4+Z4oojfF/r469kdJ4CRvUVQxL2xei87oQmVlHLm6W9d k8eg== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of david@redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com X-Gm-Message-State: APjAAAVK+iRuPBjNYQv6tde/qQrsXMhRWOBfofY2HP82tAZTjHHHDw+G RRWSPOubCoJkIqt9n9dpm090nZBmRRCs27rZHtjkKCXSzEJzVrE5z5P7oOV9Uoj8+N0rmWvtwCc jKIXgqHp3nIWCfNAzd3/yT7p3QTtOFdFidBKkBP1aFjLv+Vhh9jPz+Jew81qEKc7paA== X-Received: by 2002:a37:afc6:: with SMTP id y189mr4383119qke.7.1565355456147; Fri, 09 Aug 2019 05:57:36 -0700 (PDT) X-Google-Smtp-Source: APXvYqw+cIwi37+2Q8F3X27Apyx1mh+7mCf98iep+WC/O1u4LAjEgY1ocCl6HKyw+tFr/CRavOmQ X-Received: by 2002:a37:afc6:: with SMTP id y189mr4383086qke.7.1565355455601; Fri, 09 Aug 2019 05:57:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565355455; cv=none; d=google.com; s=arc-20160816; b=Twuqd7xbVHbYjnEUJvoDlbDFQQ+DW5lYh6kxzVnylHJo/x5NCJs4ncO8DeHPa7ek4h 2FsK3gG+OmyHDxWmpgBcqCapTCSnrd0UKFWZcDbPWgzDX/lh/tOlSrc0GL9aZP2/SfKr H27Msykt1kyjS5aQ3nCfM8SXesfkQFeZoHRpEBt7bntCKL2FPZ67wk21fOEqayw1qmTm g8ESiOpvZKhTeUjfmPqEhTtaXA8zwp5Q8C4rUiI0TpFU7vxIIscwEyV7JJ8qrElc/m9p fU47BJM1YyrAwaCZvYgiu2mLZOFgb0JDa6TtRFPr0Vj4uf8LJlDKNa1lBqNxSGkLpcLW LD1A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from; bh=iCjrBj5hwHR2FKNoOwDFbTFqGlSuJB3B8zikiGf9aMU=; b=X7cpv4x2TF/l7th+g4zjYLWUNhdunUat7Ht5TueLXtcIhxuT/2mkwtgk1lG+moaps/ gtpduPYjL8Zk2+wA84mIeb5zvNaDiljqo8uiJiMlXGJLMiijSzW7WEdBzufgyE19x48Y SLW7I4GIa8LioIUdf+qHj9XHEZ/7SqGW+VVrGQX1wREIC4ZgBoZ+7w9gDFwELa7Rdr4k Nsxivmk8P/QqUdGrNiYcOBKoX18/3/wSRwA0vt9S0TGOlstNfgSa4I/TC/SKEv8eGjmZ f461wRfaRk9McHj05WQyoY5smiMKi4C6VGsYd1bUmQiKG3KHmAizkTiyeZR9+XYcrfV3 71Hw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of david@redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id k18si921709qkg.326.2019.08.09.05.57.35 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Aug 2019 05:57:35 -0700 (PDT) Received-SPF: pass (google.com: domain of david@redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; Authentication-Results: mx.google.com; spf=pass (google.com: domain of david@redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B3F3530CE671; Fri, 9 Aug 2019 12:57:33 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-120.ams2.redhat.com [10.36.117.120]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5C4C218396; Fri, 9 Aug 2019 12:57:02 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Andrew Morton , Arun KS , Bjorn Helgaas , Borislav Petkov , Dan Williams , Dave Hansen , Ingo Molnar , Michal Hocko , Nadav Amit , Oscar Salvador , Pavel Tatashin , Wei Yang Subject: [PATCH v1 0/4] mm/memory_hotplug: online_pages() cleanups Date: Fri, 9 Aug 2019 14:56:57 +0200 Message-Id: <20190809125701.3316-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Fri, 09 Aug 2019 12:57:34 +0000 (UTC) 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: Some cleanups (+ one fix for a special case) in the context of online_pages(). Hope I am not missing something obvious. Did a sanity test with DIMMs only. David Hildenbrand (4): resource: Use PFN_UP / PFN_DOWN in walk_system_ram_range() mm/memory_hotplug: Handle unaligned start and nr_pages in online_pages_blocks() mm/memory_hotplug: Simplify online_pages_range() mm/memory_hotplug: online_pages cannot be 0 in online_pages() kernel/resource.c | 4 +-- mm/memory_hotplug.c | 62 ++++++++++++++++++++------------------------- 2 files changed, 30 insertions(+), 36 deletions(-) -- 2.21.0