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Miller" , Heiko Carstens , Vasily Gorbik , Christian Borntraeger CC: "open list:MEMORY MANAGEMENT" , "linux-arm-kernel@lists.infradead.org" , "linux-s390@vger.kernel.org" , "sparclinux@vger.kernel.org" , "x86@kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , Open Source Submission , Hoan Tran OS Subject: [PATCH v2 1/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA Thread-Topic: [PATCH v2 1/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA Thread-Index: AQHVOD/336vwo048FEmmzwG+DxzWnQ== Date: Thu, 11 Jul 2019 23:25:46 +0000 Message-ID: <1562887528-5896-2-git-send-email-Hoan@os.amperecomputing.com> References: <1562887528-5896-1-git-send-email-Hoan@os.amperecomputing.com> In-Reply-To: <1562887528-5896-1-git-send-email-Hoan@os.amperecomputing.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CY4PR19CA0045.namprd19.prod.outlook.com (2603:10b6:903:103::31) To BYAPR01MB4085.prod.exchangelabs.com (2603:10b6:a03:56::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=hoan@os.amperecomputing.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.7.4 x-originating-ip: [4.28.12.214] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: afb7b246-2fa9-41ed-0b23-08d7065719fd x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR01MB5557; x-ms-traffictypediagnostic: BYAPR01MB5557: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 0095BCF226 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(346002)(376002)(39840400004)(136003)(396003)(366004)(189003)(199004)(52116002)(66476007)(66556008)(66946007)(64756008)(66446008)(14454004)(5660300002)(1511001)(6506007)(386003)(71190400001)(71200400001)(6436002)(53936002)(66066001)(102836004)(25786009)(68736007)(6512007)(86362001)(3846002)(11346002)(14444005)(2616005)(186003)(81166006)(26005)(2906002)(446003)(478600001)(4326008)(76176011)(6486002)(7736002)(305945005)(54906003)(8936002)(110136005)(7416002)(6116002)(99286004)(476003)(316002)(8676002)(107886003)(81156014)(486006)(256004)(50226002)(921003)(1121003);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR01MB5557;H:BYAPR01MB4085.prod.exchangelabs.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:0; received-spf: None (protection.outlook.com: os.amperecomputing.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: L/8qjgkjroZ4Y9kYzJhXFihMxdIQJ2dAIy2Gdh3Ev8QQUx4j7mI+megk/B0mNCOeECpsTmH/FE4qvcPGr6D8LNSEJz3aA8SgHc2k7ChVUDIccI/VmWZ9iW/Px52xGajn0uss0BTbWRWnGL4ryxxpDtoHegY2B0F7xkkJp4/9ygiB4pBXeGdx7i+N55tKQodwy6XsQ2GIawBuOK3LVLKsYc53Qb0+zKsP44UyEvZKlL6JxiUZJlY/lFHGL2XY+ofA0iTz3NDs8lu7epwxwZ1L+yL/kPzr6FhqyDuyHIb7AmRcAl14KPRGEijQNpD59EFzYJP8AgCOVbVBzzg7wqDoR0uhg/eZqqzqx+HVRcSlq3JcIgd9UHS0vXO2pGkYMG379ONHcLrVA8RsY30ctrkASOdkY7OUzwzk06FBY+fJ1d0= MIME-Version: 1.0 X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: afb7b246-2fa9-41ed-0b23-08d7065719fd X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Jul 2019 23:25:46.9016 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Hoan@os.amperecomputing.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR01MB5557 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: X-Virus-Scanned: ClamAV using ClamSMTP In NUMA layout which nodes have memory ranges that span across other nodes, the mm driver can detect the memory node id incorrectly. For example, with layout below Node 0 address: 0000 xxxx 0000 xxxx Node 1 address: xxxx 1111 xxxx 1111 Note: - Memory from low to high - 0/1: Node id - x: Invalid memory of a node When mm probes the memory map, without CONFIG_NODES_SPAN_OTHER_NODES config, mm only checks the memory validity but not the node id. Because of that, Node 1 also detects the memory from node 0 as below when it scans from the start address to the end address of node 1. Node 0 address: 0000 xxxx xxxx xxxx Node 1 address: xxxx 1111 1111 1111 This layout could occur on any architecture. This patch enables CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA to fix this issue. Signed-off-by: Hoan Tran --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d66bc8a..6335505 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1413,7 +1413,7 @@ int __meminit early_pfn_to_nid(unsigned long pfn) } #endif -#ifdef CONFIG_NODES_SPAN_OTHER_NODES +#ifdef CONFIG_NUMA /* Only safe to use early in boot when initialisation is single-threaded */ static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node) { From patchwork Thu Jul 11 23:25:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hoan Tran X-Patchwork-Id: 11040897 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D20CF1395 for ; Thu, 11 Jul 2019 23:25:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF269288B5 for ; 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Signed-off-by: Hoan Tran --- arch/powerpc/Kconfig | 9 --------- 1 file changed, 9 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8c1c636..bdde8bc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -629,15 +629,6 @@ config ARCH_MEMORY_PROBE def_bool y depends on MEMORY_HOTPLUG -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on NEED_MULTIPLE_NODES - config STDBINUTILS bool "Using standard binutils settings" depends on 44x From patchwork Thu Jul 11 23:25:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hoan Tran X-Patchwork-Id: 11040901 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 81B3C13BD for ; Thu, 11 Jul 2019 23:25:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 72BEA288B5 for ; Thu, 11 Jul 2019 23:25:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 665FF288BF; Thu, 11 Jul 2019 23:25:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E0874288BA for ; 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Signed-off-by: Hoan Tran --- arch/x86/Kconfig | 9 --------- 1 file changed, 9 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2bbbd4d..fa9318c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1567,15 +1567,6 @@ config X86_64_ACPI_NUMA ---help--- Enable ACPI SRAT based node topology detection. -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on X86_64_ACPI_NUMA - config NUMA_EMU bool "NUMA emulation" depends on NUMA From patchwork Thu Jul 11 23:25:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hoan Tran X-Patchwork-Id: 11040903 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 37922138D for ; Thu, 11 Jul 2019 23:26:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27538288B5 for ; Thu, 11 Jul 2019 23:26:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1ADFA288BF; Thu, 11 Jul 2019 23:26:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8FB7C288B5 for ; 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Signed-off-by: Hoan Tran --- arch/sparc/Kconfig | 9 --------- 1 file changed, 9 deletions(-) diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 26ab6f5..13449ea 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -291,15 +291,6 @@ config NODES_SHIFT Specify the maximum number of NUMA Nodes available on the target system. Increases memory reserved to accommodate various tables. -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on NEED_MULTIPLE_NODES - config ARCH_SELECT_MEMORY_MODEL def_bool y if SPARC64 From patchwork Thu Jul 11 23:25:56 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hoan Tran X-Patchwork-Id: 11040905 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A121E138D for ; Thu, 11 Jul 2019 23:26:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91DE8288BA for ; Thu, 11 Jul 2019 23:26:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 85017288B5; Thu, 11 Jul 2019 23:26:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E834F288B5 for ; 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Miller" , Heiko Carstens , Vasily Gorbik , Christian Borntraeger CC: "open list:MEMORY MANAGEMENT" , "linux-arm-kernel@lists.infradead.org" , "linux-s390@vger.kernel.org" , "sparclinux@vger.kernel.org" , "x86@kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , Open Source Submission , Hoan Tran OS Subject: [PATCH v2 5/5] s390: Kconfig: Remove CONFIG_NODES_SPAN_OTHER_NODES Thread-Topic: [PATCH v2 5/5] s390: Kconfig: Remove CONFIG_NODES_SPAN_OTHER_NODES Thread-Index: AQHVOD/9mGRS/XlnZESkAFQmCjkqtw== Date: Thu, 11 Jul 2019 23:25:56 +0000 Message-ID: <1562887528-5896-6-git-send-email-Hoan@os.amperecomputing.com> References: <1562887528-5896-1-git-send-email-Hoan@os.amperecomputing.com> In-Reply-To: <1562887528-5896-1-git-send-email-Hoan@os.amperecomputing.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CY4PR19CA0045.namprd19.prod.outlook.com (2603:10b6:903:103::31) To BYAPR01MB4085.prod.exchangelabs.com (2603:10b6:a03:56::22) authentication-results: spf=none (sender IP is ) smtp.mailfrom=hoan@os.amperecomputing.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.7.4 x-originating-ip: [4.28.12.214] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: dd1a597e-2e44-4157-c4a8-08d706571fc9 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR01MB5557; x-ms-traffictypediagnostic: BYAPR01MB5557: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5797; x-forefront-prvs: 0095BCF226 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(4636009)(1496009)(346002)(376002)(136003)(39850400004)(396003)(366004)(189003)(199004)(52116002)(66476007)(66556008)(66946007)(64756008)(66446008)(14454004)(5660300002)(1511001)(6506007)(386003)(71190400001)(71200400001)(6436002)(53936002)(66066001)(4744005)(102836004)(25786009)(68736007)(6512007)(86362001)(3846002)(11346002)(2616005)(186003)(81166006)(26005)(2906002)(446003)(478600001)(4326008)(76176011)(6486002)(7736002)(305945005)(54906003)(8936002)(110136005)(7416002)(6116002)(99286004)(476003)(316002)(8676002)(107886003)(81156014)(486006)(256004)(50226002)(921003)(1121003);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR01MB5557;H:BYAPR01MB4085.prod.exchangelabs.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:0; received-spf: None (protection.outlook.com: os.amperecomputing.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: Ef+hznBXN4myNBzMO+crFklQrkxl3woJDcHEtEGbtkSTBtF+FhbMuzXn0YWK9JzlERYgQ1oWA5mukf+CM4Nf23+mMlM05cpBYrM2if/e1uE/ntUxwqQ/awrcr2FlshYZIQWDolmpLqBzoxDcFPEXiIeg0M3mlqlXaLPtGXn+IvqaLdvbg/iMyiPa2DZjkGRvcJ1ifKZHfiVTssO4oLIhNbK9CR9HJNEC3Rk3AtfWLRE+aMyUvol2NyVIVj1IQlXc27+vPavojbgNzWs5nshmirt3G3gOn2tZ0YfphazGi5INi0R9CJHu7Si7ZsXqNP3ur7XuskxxiDLSqNbJ0jd/2rMrC6iqCBhknF3Kye0rkkbarElU1uyWfMAg7Ah0QJX0YlAnhKetdJzg3bJRv+2WUHA22MFseloe345Oi/oAN00= MIME-Version: 1.0 X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: dd1a597e-2e44-4157-c4a8-08d706571fc9 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Jul 2019 23:25:56.4780 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Hoan@os.amperecomputing.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR01MB5557 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: X-Virus-Scanned: ClamAV using ClamSMTP Remove CONFIG_NODES_SPAN_OTHER_NODES as it's enabled by default with NUMA. Signed-off-by: Hoan Tran --- arch/s390/Kconfig | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 109243f..788a8e9 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -438,14 +438,6 @@ config HOTPLUG_CPU can be controlled through /sys/devices/system/cpu/cpu#. Say N if you want to disable CPU hotplug. -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. <- They meant memory holes! -config NODES_SPAN_OTHER_NODES - def_bool NUMA - config NUMA bool "NUMA support" depends on SMP && SCHED_TOPOLOGY