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Mon, 3 Feb 2020 19:55:27 +0000 From: Hoan Tran To: Catalin Marinas , Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, patches@os.amperecomputing.com, Hoan Tran Subject: [PATCH] arm64: Kconfig: Enable NODES_SPAN_OTHER_NODES config for NUMA Date: Mon, 3 Feb 2020 11:55:14 -0800 Message-Id: <1580759714-4614-1-git-send-email-Hoan@os.amperecomputing.com> X-Mailer: git-send-email 1.8.3.1 Content-Type: text/plain X-ClientProxiedBy: CY4PR02CA0044.namprd02.prod.outlook.com (2603:10b6:903:117::30) To DM6PR01MB4090.prod.exchangelabs.com (2603:10b6:5:27::11) MIME-Version: 1.0 Received: from engdev037.mustanglab.us.amcc (4.28.12.214) by CY4PR02CA0044.namprd02.prod.outlook.com (2603:10b6:903:117::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2686.27 via Frontend Transport; Mon, 3 Feb 2020 19:55:27 +0000 X-Mailer: git-send-email 1.8.3.1 X-Originating-IP: [4.28.12.214] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a165989c-0d51-4c9c-7d8a-08d7a8e3040f X-MS-TrafficTypeDiagnostic: DM6SPR01MB0023:|DM6SPR01MB0023: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; X-Forefront-PRVS: 0302D4F392 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10019020)(4636009)(396003)(376002)(39840400004)(346002)(366004)(136003)(189003)(199004)(66556008)(26005)(4326008)(956004)(66946007)(107886003)(16526019)(6512007)(86362001)(52116002)(186003)(5660300002)(4744005)(66476007)(2616005)(6506007)(316002)(6666004)(6486002)(81166006)(81156014)(478600001)(2906002)(8676002)(8936002)(110136005);DIR:OUT;SFP:1102;SCL:1;SRVR:DM6SPR01MB0023;H:DM6PR01MB4090.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: BCL:0; X-Microsoft-Antispam-Message-Info: vnICTzxcqrErTymH5egEdm3QaQZZ5q3YHQfN5Qx1i1M20hSyH44DiGa7Q7kgsaO2jc6NoCQGguxmb1SIy+jvxUbjDvZEua2sjw67yz5XU48WR6MVjS87/rioSXNc3y0WVAwwXJwlqUvl0GL//XHp3XNAn77fkryTw4oX3gaIZV08k/Gt30wXOK6u6jjdhwd01nVVweZrlnRjhrOnlfFcuelOkSbLLfGTpj4b5YN2r4OgkWeNXbz2SLdtmdpQJXkXUlLIn0KQVQcttjf6ztmKvdTB1V48EQPiNI3AYpOR/5frU7bKTlOrc0oQg0xsVeBd9PualnN6LdETTxTxAxDiWY4/WGv2k9W27GcpzFLv6DkpubzA80JbGJtZU3j6C/SCa4kRJRXDaRKEprIzeJe8EvlVZdkV8PuhwoDUcq/9uKYONGOO7HrT935KQZu5cehA X-MS-Exchange-AntiSpam-MessageData: 9MRghyd7Ci2EUfz4W8EmzAzI1nhXb2Tk+YENUHeYEXv8kI8y0Mz1uHNhezm5ntsLaCii2VehTNerl6Cx+JBx2zMNi1UGE1/gQcFShw9ABN18CHksUV5Mw19bH1ArRfi8/SJP+rXHosE/8aVohMUU1Q== X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: a165989c-0d51-4c9c-7d8a-08d7a8e3040f X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Feb 2020 19:55:27.6460 (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: k1KFyvnbnULvfaTKh9JwOatFlo8iOD8tAS1beG/56eCsra8f2yDvh5RQA/aOL/QkwTEu1kGnSwpmOdVoHz068CCUWld+1KcTUbJRjs22F9s= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6SPR01MB0023 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. This patch enables NODES_SPAN_OTHER_NODES config for NUMA to support this type of NUMA layout. Signed-off-by: Hoan Tran --- arch/arm64/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e688dfa..939d28f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -959,6 +959,13 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK config HOLES_IN_ZONE def_bool y +# 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. +config NODES_SPAN_OTHER_NODES + def_bool y + depends on ACPI_NUMA + source "kernel/Kconfig.hz" config ARCH_SUPPORTS_DEBUG_PAGEALLOC -- 1.8.3.1