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client-ip=40.67.248.234; helo=nebula.arm.com; From: Wei Chen To: , , , , CC: Subject: [XEN RFC PATCH 14/40] xen/arm: set NUMA nodes max number to 64 by default Date: Wed, 11 Aug 2021 18:23:57 +0800 Message-ID: <20210811102423.28908-15-wei.chen@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210811102423.28908-1-wei.chen@arm.com> References: <20210811102423.28908-1-wei.chen@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8d07a97f-7976-4fdc-169a-08d95cb255e3 X-MS-TrafficTypeDiagnostic: DB8PR08MB5018:|AM6PR08MB4785: X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:6108;OLM:6108; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(136003)(396003)(39860400002)(376002)(346002)(36840700001)(46966006)(26005)(186003)(1076003)(2906002)(70206006)(70586007)(356005)(7696005)(110136005)(5660300002)(4326008)(81166007)(83380400001)(478600001)(6666004)(82310400003)(316002)(8936002)(82740400003)(4744005)(36756003)(426003)(47076005)(36860700001)(86362001)(336012)(8676002)(44832011)(2616005)(34070700002)(36900700001)(2101003);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2021 10:25:26.4435 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d07a97f-7976-4fdc-169a-08d95cb255e3 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR03FT010.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR08MB4785 X-ZohoMail-DKIM: pass (identity @armh.onmicrosoft.com) X-ZM-MESSAGEID: 1628677558561100001 Content-Type: text/plain; charset="utf-8" Today's Arm64 systems can reach or exceed 16 NUMA nodes, so we set the number to 64 to match with x86. Signed-off-by: Wei Chen --- xen/include/asm-arm/numa.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/xen/include/asm-arm/numa.h b/xen/include/asm-arm/numa.h index 1162c702df..b2982f9053 100644 --- a/xen/include/asm-arm/numa.h +++ b/xen/include/asm-arm/numa.h @@ -5,7 +5,15 @@ =20 typedef u8 nodeid_t; =20 -#if !defined(CONFIG_NUMA) +#if defined(CONFIG_NUMA) + +/* + * Same as x86, we set the max number of NUMA nodes to 64 and + * set the number of NUMA memory block number to 128. + */ +#define NODES_SHIFT 6 + +#else =20 /* Fake one node for now. See also node_online_map. */ #define cpu_to_node(cpu) 0 --=20 2.25.1