From patchwork Sun Sep 25 18:36:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Reza Arbab X-Patchwork-Id: 674670 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3shwyg3TvGz9s5g for ; Mon, 26 Sep 2016 04:45:31 +1000 (AEST) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3shwyg2hG2zDsqD for ; Mon, 26 Sep 2016 04:45:31 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3shwn771F8zDrPg for ; Mon, 26 Sep 2016 04:37:15 +1000 (AEST) Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8PIXKnY106807 for ; Sun, 25 Sep 2016 14:37:13 -0400 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0b-001b2d01.pphosted.com with ESMTP id 25p6vcbn50-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 25 Sep 2016 14:37:13 -0400 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 25 Sep 2016 12:37:12 -0600 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e36.co.us.ibm.com (192.168.1.136) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sun, 25 Sep 2016 12:37:09 -0600 Received: from b03cxnp07028.gho.boulder.ibm.com (b03cxnp07028.gho.boulder.ibm.com [9.17.130.15]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 41B851FF001E; Sun, 25 Sep 2016 12:36:50 -0600 (MDT) Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u8PIb9vM13435224; Sun, 25 Sep 2016 11:37:09 -0700 Received: from localhost (unknown [127.0.0.1]) by IMSVA (Postfix) with SMTP id 1A5306E035; Sun, 25 Sep 2016 12:37:09 -0600 (MDT) X-IMSS-HAND-OFF-DIRECTIVE: 127.0.0.1:10026 Received: from arbab-laptop.localdomain (unknown [9.85.160.160]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP id 66C516E035; Sun, 25 Sep 2016 12:36:59 -0600 (MDT) Received: by arbab-laptop.localdomain (Postfix, from userid 152845) id D4A88460715; Sun, 25 Sep 2016 13:36:56 -0500 (CDT) From: Reza Arbab To: Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Rob Herring , Frank Rowand , Jonathan Corbet , Andrew Morton Subject: [PATCH v3 5/5] mm: enable CONFIG_MOVABLE_NODE on powerpc Date: Sun, 25 Sep 2016 13:36:56 -0500 X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1474828616-16608-1-git-send-email-arbab@linux.vnet.ibm.com> References: <1474828616-16608-1-git-send-email-arbab@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16092518-0020-0000-0000-000009E07D3D X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00005813; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000185; SDB=6.00761240; UDB=6.00362465; IPR=6.00536057; BA=6.00004754; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00012779; XFM=3.00000011; UTC=2016-09-25 18:37:12 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16092518-0021-0000-0000-000055E9AA11 Message-Id: <1474828616-16608-6-git-send-email-arbab@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-25_10:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609020000 definitions=main-1609250356 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stewart Smith , devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alistair Popple , "Aneesh Kumar K.V" , Bharata B Rao , Nathan Fontenot , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" To create a movable node, we need to hotplug all of its memory into ZONE_MOVABLE. Note that to do this, auto_online_blocks should be off. Since the memory will first be added to the default zone, we must explicitly use online_movable to online. Because such a node contains no normal memory, can_online_high_movable() will only allow us to do the onlining if CONFIG_MOVABLE_NODE is set. Enable the use of this config option on PPC64 platforms. Signed-off-by: Reza Arbab Reviewed-by: Aneesh Kumar K.V --- 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. 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