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 ADE6EC433FF for ; Wed, 14 Aug 2019 15:41:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D10B2084D for ; Wed, 14 Aug 2019 15:41:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727697AbfHNPlQ (ORCPT ); Wed, 14 Aug 2019 11:41:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55068 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726230AbfHNPlQ (ORCPT ); Wed, 14 Aug 2019 11:41:16 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7F76A51EF3; Wed, 14 Aug 2019 15:41:15 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-49.ams2.redhat.com [10.36.116.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1B9418069C; Wed, 14 Aug 2019 15:41:09 +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 v2 0/5] mm/memory_hotplug: online_pages() cleanups Date: Wed, 14 Aug 2019 17:41:04 +0200 Message-Id: <20190814154109.3448-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 14 Aug 2019 15:41:15 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. v1 -> v2: - "mm/memory_hotplug: Handle unaligned start and nr_pages in online_pages_blocks()" -- Turned into "mm/memory_hotplug: make sure the pfn is aligned to the order when onlining" -- Dropped the "nr_pages not an order of two" condition for now as requested by Michal, but kept a simplified alignment check - "mm/memory_hotplug: Drop PageReserved() check in online_pages_range()" -- Split out from "mm/memory_hotplug: Simplify online_pages_range()" - "mm/memory_hotplug: Simplify online_pages_range()" -- Modified due to the other changes David Hildenbrand (5): resource: Use PFN_UP / PFN_DOWN in walk_system_ram_range() mm/memory_hotplug: Drop PageReserved() check in online_pages_range() mm/memory_hotplug: Simplify online_pages_range() mm/memory_hotplug: Make sure the pfn is aligned to the order when onlining mm/memory_hotplug: online_pages cannot be 0 in online_pages() kernel/resource.c | 4 +-- mm/memory_hotplug.c | 61 ++++++++++++++++++++------------------------- 2 files changed, 29 insertions(+), 36 deletions(-) -- 2.21.0