From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f72.google.com (mail-wm0-f72.google.com [74.125.82.72]) by kanga.kvack.org (Postfix) with ESMTP id 81F646B0069 for ; Mon, 19 Sep 2016 02:29:53 -0400 (EDT) Received: by mail-wm0-f72.google.com with SMTP id 1so58811581wmz.2 for ; Sun, 18 Sep 2016 23:29:53 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id t64si17606160wma.117.2016.09.18.23.29.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 18 Sep 2016 23:29:52 -0700 (PDT) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8J6ShoU143274 for ; Mon, 19 Sep 2016 02:29:51 -0400 Received: from e31.co.us.ibm.com (e31.co.us.ibm.com [32.97.110.149]) by mx0b-001b2d01.pphosted.com with ESMTP id 25gxrxxhxw-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 19 Sep 2016 02:29:50 -0400 Received: from localhost by e31.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 19 Sep 2016 00:29:50 -0600 From: "Aneesh Kumar K.V" Subject: Re: [PATCH v2 3/3] mm: enable CONFIG_MOVABLE_NODE on powerpc In-Reply-To: <1473883618-14998-4-git-send-email-arbab@linux.vnet.ibm.com> References: <1473883618-14998-1-git-send-email-arbab@linux.vnet.ibm.com> <1473883618-14998-4-git-send-email-arbab@linux.vnet.ibm.com> Date: Mon, 19 Sep 2016 11:59:35 +0530 MIME-Version: 1.0 Content-Type: text/plain Message-Id: <87h99cxv00.fsf@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Reza Arbab , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Rob Herring , Frank Rowand , Jonathan Corbet , Andrew Morton Cc: Bharata B Rao , Nathan Fontenot , Stewart Smith , Alistair Popple , Balbir Singh , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-mm@kvack.org Reza Arbab writes: > Onlining memory into ZONE_MOVABLE requires CONFIG_MOVABLE_NODE. Enable > the use of this config option on PPC64 platforms. > > Signed-off-by: Reza Arbab > --- > Documentation/kernel-parameters.txt | 2 +- > mm/Kconfig | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > index a4f4d69..3d8460d 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -2344,7 +2344,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. > that the amount of memory usable for all allocations > is not too small. > > - movable_node [KNL,X86] Boot-time switch to enable the effects > + movable_node [KNL,X86,PPC] Boot-time switch to enable the effects > of CONFIG_MOVABLE_NODE=y. See mm/Kconfig for details. > Movable node also does. memblock_set_bottom_up(true); What is the impact of that. Do we need changes equivalent to that ? Also where are we marking the nodes which can be hotplugged, ie where do we do memblock_mark_hotplug() ? > MTD_Partition= [MTD] > diff --git a/mm/Kconfig b/mm/Kconfig > index be0ee11..4b19cd3 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -153,7 +153,7 @@ config MOVABLE_NODE > bool "Enable to assign a node which has only movable memory" > depends on HAVE_MEMBLOCK > depends on NO_BOOTMEM > - depends on X86_64 > + depends on X86_64 || PPC64 > depends on NUMA > default n > help -aneesh -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org