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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 05FE4C433E0 for ; Tue, 7 Jul 2020 05:59:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E12BA20739 for ; Tue, 7 Jul 2020 05:59:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728071AbgGGF7c (ORCPT ); Tue, 7 Jul 2020 01:59:32 -0400 Received: from foss.arm.com ([217.140.110.172]:49912 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727827AbgGGF7c (ORCPT ); Tue, 7 Jul 2020 01:59:32 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 04F4431B; Mon, 6 Jul 2020 22:59:32 -0700 (PDT) Received: from localhost.localdomain (entos-thunderx2-02.shanghai.arm.com [10.169.212.213]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 486023F68F; Mon, 6 Jul 2020 22:59:27 -0700 (PDT) From: Jia He To: Catalin Marinas , Will Deacon , Dan Williams , Vishal Verma , Dave Jiang Cc: Michal Hocko , Andrew Morton , Mike Rapoport , Baoquan He , Chuhong Yuan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, Kaly Xin , Jia He Subject: [PATCH v2 0/3] Fix and enable pmem as RAM device on arm64 Date: Tue, 7 Jul 2020 13:59:14 +0800 Message-Id: <20200707055917.143653-1-justin.he@arm.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This fix a few issues when I tried to enable pmem as RAM device on arm64. Tested on ThunderX2 host/qemu "-M virt" guest with a nvdimm device. The memblocks from the dax pmem device can be either hot-added or hot-removed on arm64 guest. Changes: v2: - Drop unneccessary patch to harden try_offline_node - Use new solution(by David) to fix dev->target_node=-1 during probing - Refine the mem_hotplug_begin/done patch v1: https://lkml.org/lkml/2020/7/5/381 Jia He (3): arm64/numa: export memory_add_physaddr_to_nid as EXPORT_SYMBOL_GPL device-dax: use fallback nid when numa_node is invalid mm/memory_hotplug: fix unpaired mem_hotplug_begin/done arch/arm64/mm/numa.c | 5 +++-- drivers/dax/kmem.c | 22 ++++++++++++++-------- mm/memory_hotplug.c | 5 ++--- 3 files changed, 19 insertions(+), 13 deletions(-) -- 2.17.1