Message ID | 1562887528-5896-2-git-send-email-Hoan@os.amperecomputing.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> 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 2F8681395 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 11 Jul 2019 23:25:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1FFD9288B5 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 11 Jul 2019 23:25:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 139AD288BF; Thu, 11 Jul 2019 23:25:52 +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 84AFA288B5 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 11 Jul 2019 23:25:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id CD5F18E0102; Thu, 11 Jul 2019 19:25:49 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id C0C628E00DB; Thu, 11 Jul 2019 19:25:49 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 99B7B8E0102; Thu, 11 Jul 2019 19:25:49 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by kanga.kvack.org (Postfix) with ESMTP id 6F26E8E00DB for <linux-mm@kvack.org>; Thu, 11 Jul 2019 19:25:49 -0400 (EDT) Received: by mail-qk1-f198.google.com with SMTP id c1so5333275qkl.7 for <linux-mm@kvack.org>; Thu, 11 Jul 2019 16:25:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:to:cc:subject:thread-topic :thread-index:date:message-id:references:in-reply-to:accept-language :content-language:content-transfer-encoding:mime-version; bh=aAkwAUXFcJwgbrCQk1P/5UfnEYvBvi1WIDIoJ7eF/sg=; b=fVU+Mp/cTD9KsEZK4vztMRVDE7a600FtIaZmKalnQ+G0tatlaM9V6d/9sCwGzZKZ2i 1fzvHBRLYRqXGybSs49S2aBGTIaePzEHBv6+6QSDVDU6W2llODwfZ08qMR3yOs5gFVX6 gj28higYr1+cJEqThfwtWbL/jaVCHj2esiCyE2uoLOxQL4rYjOneK/EdSeiA3Vn4ON3P mS/h0au4j5cRmzJEvf88bvI5T0GI8GMtGS4nXxnE4XfMv6uQcgakE5E7Bi9HeY2IWviV ywrzw2eFibx2UirTY2xmwKhRu4Nf3smsuuei/40vYYJRRoSs5MfrOB76CGZDGnXuzlfS fSzg== X-Gm-Message-State: APjAAAUdV7LblTlJN02XQiADrXYApUBsP5ufhWqpn+BoDIO6zG+7WVF2 XIRXm3l0T6Y40zBBwMIyiJT+FWnEIMmfHiNsrBpaIg21tHPDHaXszt1f3j83csMgKhIYE06vp/h Vp2eRsbu6U0yl2OFNOACkJTU3aFSQSVsiwDW8IFOwPzZeC5dD9lph2SM5cQmnry8K5g== X-Received: by 2002:a05:620a:142e:: with SMTP id k14mr3999820qkj.336.1562887549190; Thu, 11 Jul 2019 16:25:49 -0700 (PDT) X-Google-Smtp-Source: APXvYqzWdmDU+4MoDOZgX29rDL0LMEW0afSKXLBDTWAl5ToijbMxLgegseoRDgy79Q4G4NrBX6vS X-Received: by 2002:a05:620a:142e:: with SMTP id k14mr3999801qkj.336.1562887548663; Thu, 11 Jul 2019 16:25:48 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1562887548; cv=pass; d=google.com; s=arc-20160816; b=A1KMpyVgSXVQYbiT0CwrlbAJldCsG5mO7nxwOdR3MFDcavse0zxfebWBSJhfrdqhhI tJsy+XGbAKE3QwJ6Cu5GWms/JRM9KtK6YntRwSn5W9MZxUUXIToFKy64f5m7qjuj5Oic Ti2iLh3fHCHLxO5YV5rypG4ajqQkSt5rELNhowgG1hqhfUAsTDSX7Vw43PzFmLP5IFxF DoGFcybpeTyNj8ED9z1yvcZ9fKzSNzNbTCrEAJv9+/pozElcnD+NxHo7jw955Bx1GWKh bZOUpYS6s6ZkKYQdv4GtWZ8F+ewOezwmsm8ZFlNFmMuovCxTVVPQ+FTJ+3pbpg3xY9G+ Ebnw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:content-transfer-encoding:content-language :accept-language:in-reply-to:references:message-id:date:thread-index :thread-topic:subject:cc:to:from:dkim-signature; bh=aAkwAUXFcJwgbrCQk1P/5UfnEYvBvi1WIDIoJ7eF/sg=; b=gVPkRZaJXM4QANr8PrAS6oerrI7F6qdREi9CtmkdGfc3QgfWJ46NibS/yn7nLp2z1J jmaoe1DNgkUUy0eLiw6bdO9lvreVkhaUUMWclQ+xwe1BQCv7raS0a7SAzSX1OzjesFEJ /OWw3e7+krC6wGhTQ39o6cLrcN7Ywjp2VIvQi8J9ChMnYP+dSvEZeTlaKOgseeTt0WMR q3dk0nt8PxFoAB+U23kUnDoW/mJx88S3+a6sbgzOhL4xxUD5xtq1IrMi5bfoRH5gvz/j AEwwBKm0DMMpbNPFaUCyF5v7NAp9oZPSvmWWZgEVmJMc4lJUCgquseT5eGGczps48OW4 a0nw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@os.amperecomputing.com header.s=selector1 header.b=J5IL3kXT; arc=pass (i=1 spf=pass spfdomain=os.amperecomputing.com dkim=pass dkdomain=os.amperecomputing.com dmarc=pass fromdomain=os.amperecomputing.com); spf=pass (google.com: domain of hoan@os.amperecomputing.com designates 2a01:111:f400:fe41::727 as permitted sender) smtp.mailfrom=hoan@os.amperecomputing.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amperecomputing.com Received: from NAM01-BN3-obe.outbound.protection.outlook.com (mail-bn3nam01on0727.outbound.protection.outlook.com. 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Peter Anvin" <hpa@zytor.com>, "David S . Miller" <davem@davemloft.net>, Heiko Carstens <heiko.carstens@de.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>, Christian Borntraeger <borntraeger@de.ibm.com> CC: "open list:MEMORY MANAGEMENT" <linux-mm@kvack.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>, "sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>, "x86@kernel.org" <x86@kernel.org>, "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Open Source Submission <patches@amperecomputing.com>, Hoan Tran OS <hoan@os.amperecomputing.com> 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: <BYAPR01MB5557067FB5EFEF0F4FDE9887F1F30@BYAPR01MB5557.prod.exchangelabs.com> 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= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA
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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) {
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 <Hoan@os.amperecomputing.com> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)