From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 962CCC25B75 for ; Mon, 3 Jun 2024 21:31:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 16D4E6B0083; Mon, 3 Jun 2024 17:31:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 11DDA6B0093; Mon, 3 Jun 2024 17:31:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id ED99D6B0095; Mon, 3 Jun 2024 17:31:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id C61CD6B0083 for ; Mon, 3 Jun 2024 17:31:02 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 841BAA236A for ; Mon, 3 Jun 2024 21:31:02 +0000 (UTC) X-FDA: 82190872764.21.CF3C5D5 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1nam02on2114.outbound.protection.outlook.com [40.107.96.114]) by imf21.hostedemail.com (Postfix) with ESMTP id 842B61C000C for ; Mon, 3 Jun 2024 21:30:58 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=os.amperecomputing.com header.s=selector2 header.b="m4asy/Fg"; dmarc=pass (policy=quarantine) header.from=amperecomputing.com; spf=pass (imf21.hostedemail.com: domain of Shubhang@os.amperecomputing.com designates 40.107.96.114 as permitted sender) smtp.mailfrom=Shubhang@os.amperecomputing.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1717450258; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=axN6GJWXsxWRKi62P+GJL2IPwKVNPAmr0gYQkzENAmE=; b=cPQ7jEK/SV0iLk6H/XTeB+d4K/OQ76gJLao6aNx7o+Pamc+UtzO5JNEv0ZoXhcKR4LlLbr ymq0HhfRZjgE+IbohSffVfsyWNVgNsMckHpPd3DJ6/VDJBm+sDz8Wh4BYlajkzdSdGv+OT caLvRQbfBPTNuTUGgj1drYmJlqi50NQ= ARC-Authentication-Results: i=2; imf21.hostedemail.com; dkim=pass header.d=os.amperecomputing.com header.s=selector2 header.b="m4asy/Fg"; dmarc=pass (policy=quarantine) header.from=amperecomputing.com; spf=pass (imf21.hostedemail.com: domain of Shubhang@os.amperecomputing.com designates 40.107.96.114 as permitted sender) smtp.mailfrom=Shubhang@os.amperecomputing.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1717450258; a=rsa-sha256; cv=pass; b=KJ0r5q9YpMVo89y2GYZyTOP2qaaBceOxChUcwTMs3RHBEbk+6H4t4ulC8XL/igLaQ2nhsp 06JS73AC4Xz1RXin/ekBiyYrX9qe85Vu0K9MrFc5YhMkvCsf0Z44+1lbrSrMqAc5KCxUkn Y0JkDCW3489kRdjBV0vLexG5smjhirE= ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=P0aURI8QJsKCMNGd8YKgHSjUv9z3SIXJ1z3k4XsnmM9QByvVK10L73N8RQxrctiBfXjHR2u0xVoz1SWgB9Lz8FWd8+vm0ggDbO/ODKW3nbCqWvTZWNe4pAz35KmtCyo0m9XV7n5e7fGOFnwb/WrvEtwR4rBiY372CYYC4aJFmKAeMcmRXA1ayoIhhy59cqbcVHzAl2DH5poUxuk2MkME/Q7Km7vxhY4MshGMUoxlRDpBU9x5FlzhcizyqeaEb+32WXsgGJ2K/NRug5+QaxkpkmEch82DooGhsCoba5lKEOkBW+rFOdDJitnAajNhRvpGOfpjsE3E5Xyrz9So64ZIRw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=axN6GJWXsxWRKi62P+GJL2IPwKVNPAmr0gYQkzENAmE=; b=BYSs1oYXWRgpxfgcdPJpicnbWQ/Za3KcIjnKnjnpMPk+Ee9OXTmTiPF27iv+/O//cbT3FmJ1p2WQwtGGZTOwN9g7mG+xFevO0qzmSHCrHCiqqPr0FtQBemc5IYPhzDjxUsFAjc4Y3OYJ29XB99UBIsuCvTAwoMZivETfLjct+Y8E/eCo0e5J5+5K6qEuiPRWcBIanmQBzSo3gnec0CIR3Zek7K8lqhXogcZ6VjgeHJPW+pNQCsYd3E+807Ynk21EaAIguQI6kixy3JQdfXf5/EC4gup3BTV7BeNCavLU5YXkdugKp37Bm5ekOJH/gcujAmCbTMPYlF3dNFUOTu4AJQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=os.amperecomputing.com; dmarc=pass action=none header.from=os.amperecomputing.com; dkim=pass header.d=os.amperecomputing.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=os.amperecomputing.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=axN6GJWXsxWRKi62P+GJL2IPwKVNPAmr0gYQkzENAmE=; b=m4asy/Fg0AUV1bjltE7zwUwhG+vQ2UHtq3UwEVQYmlTkiUgLgORQ36Kt5UjYq0MVj8RMK0omBxgHkU13WGR1W6tvCP3mnhT3p5JNpze/nuBay+t/tRH4D8PYyju3G69QjDS/uIxQBpggbLB250KWIULRcaD4fF/YMamX93fAkqU= Received: from MN2PR01MB5902.prod.exchangelabs.com (2603:10b6:208:18e::20) by BL1PR01MB7676.prod.exchangelabs.com (2603:10b6:208:397::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7633.21; Mon, 3 Jun 2024 21:30:54 +0000 Received: from MN2PR01MB5902.prod.exchangelabs.com ([fe80::1a99:8110:f593:d3f5]) by MN2PR01MB5902.prod.exchangelabs.com ([fe80::1a99:8110:f593:d3f5%2]) with mapi id 15.20.7633.021; Mon, 3 Jun 2024 21:30:54 +0000 From: Shubhang Kaushik OS To: "ampere-linux-kernel@lists.amperecomputing.com" CC: "cl@linux.com" , Andrew Morton , Uladzislau Rezki , Christoph Hellwig , Lorenzo Stoakes , "linux-mm@kvack.org" Subject: [PATCH v2] vmalloc: Modify the alloc_vmap_area() error message for better diagnostics Thread-Topic: [PATCH v2] vmalloc: Modify the alloc_vmap_area() error message for better diagnostics Thread-Index: AQHatfyT5mRiC/2M6ka/tQh3xJvOeQ== Date: Mon, 3 Jun 2024 21:30:54 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_5b82cb1d-c2e0-4643-920a-bbe7b2d7cc47_Enabled=True;MSIP_Label_5b82cb1d-c2e0-4643-920a-bbe7b2d7cc47_SiteId=3bc2b170-fd94-476d-b0ce-4229bdc904a7;MSIP_Label_5b82cb1d-c2e0-4643-920a-bbe7b2d7cc47_SetDate=2024-06-03T21:30:54.089Z;MSIP_Label_5b82cb1d-c2e0-4643-920a-bbe7b2d7cc47_Name=Confidential;MSIP_Label_5b82cb1d-c2e0-4643-920a-bbe7b2d7cc47_ContentBits=0;MSIP_Label_5b82cb1d-c2e0-4643-920a-bbe7b2d7cc47_Method=Standard; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MN2PR01MB5902:EE_|BL1PR01MB7676:EE_ x-ms-office365-filtering-correlation-id: 8b774699-53b3-4639-2e04-08dc84147305 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230031|366007|1800799015|376005|38070700009; x-microsoft-antispam-message-info: =?iso-8859-1?Q?DAevHUwUdRs5kvEWMzeLD/UksZJt1ZRbnXhehN5xnQsnICRMhNJ5KWOZV4?= =?iso-8859-1?Q?/blnjUBxETY/4Nu13t8G1BvcHheu/dgFZf+0/fYy2kfygGWYBgt4cdReYy?= =?iso-8859-1?Q?11Fr68SdqY2PjLS6dDOzPjMoJ7SVRNYISyNghSp3AQsv37LkuxLZEp+ebO?= =?iso-8859-1?Q?1SoFbDCruhs2wpj7hoapsZtH5RpoFbav47yD/5YaBOd/acuxTkz2ygl96I?= =?iso-8859-1?Q?MoBRzGXBZijN3JPv4GGijf0opaF/jL+QHaWHNcg/YsPodeeJxAA+OV7m9o?= =?iso-8859-1?Q?ohtSB48G2AzdfivKE+sNnrhDSNJvrNzHv/sJOUMAiSnQvG1Bwv/nZHtXZf?= =?iso-8859-1?Q?m7/Xj0bg4HHD802RJQabHR/rRnwDv3JH4Ei3rcT/l3uG7ZmaW/zwSHci/T?= =?iso-8859-1?Q?e8pMo/FHNk8S6Ol55/9pyUwNFUKGobD6t5/I+38/BMA+lYwJY+iJILjxyQ?= =?iso-8859-1?Q?4+CPLJ1TBiQQKbFUS+hjucQNJgb0cgvw8UI6XKqpsspfYYgvYx+p4AOVme?= =?iso-8859-1?Q?x3SWK8uHjN4OxHXBy7dyHkbh4QAFxPgr771DnCMFNy8NrXpEIWAbSWANsB?= =?iso-8859-1?Q?mTp+kcjOkvzhqb58VYQsUGbf0Z6SkoV32FDin5MGHfs4yBwLbH1Y1mxYWW?= =?iso-8859-1?Q?PMGpYOuRhsVy6ohD+TqL398wsKPBrJ31dqiMrrjQNDyOyGQvWoJDbecErB?= =?iso-8859-1?Q?bYLlCGJp4bdM2kMgZT1A4iu6Nk/f/FmJ9KnuCGo6+tyRuZZI3rTSQ+pQ1l?= =?iso-8859-1?Q?0cIx0xnCXjt0w700wIo13uqhxB97eHuP93jul6fSGl7Nsj9KdO3c8hDVJ2?= =?iso-8859-1?Q?6lV8Z8iWsJ39b9ZNtO5H9jrMjYiMt281WcqANoxBEPgLtNbbvmbGLjtJRF?= =?iso-8859-1?Q?hu69vn9KtTB8JfzObjxS4vGjl9pf7E42LTVLRjC+y6+D4EKW3ppn1Gkjzx?= =?iso-8859-1?Q?TPfqF0RbYkF7y0eY6sONgp1MU1spvhhi/scetp1tzu0Ml5uykOjfY4SQZt?= =?iso-8859-1?Q?SQ1sXKrIEJxrLn8A39t2ZklM4bjAI+vTHKYKVdCYLkD8cJPZEQx4AA36Xc?= =?iso-8859-1?Q?H2jMfTp0at9Wdueb7Cp7XagyEHNOC99+MnxdLp8+xh6s8EGpmcXkYuB/mL?= =?iso-8859-1?Q?0gfcu1CkTnMWA2Bws/pZh6vHlvs7FjCKmA014wZQw4EH31RgxKTUVklLkv?= =?iso-8859-1?Q?VxgOjQgaLAp8BpULVlzW2fiaWaR/wZXtc2EgWsmYOEcskHPGfCiMOYK+wr?= =?iso-8859-1?Q?6omuMYKh97Uv+Nhnc9Fnq9+vFiuu848uPRe8D+fVN0+Rl8CWL1AcZFUJ3J?= =?iso-8859-1?Q?qvADxXbnpFVt1+sGrnPXz+u4+vCQSgs+QcKZq4Wqsk+of7tGQNSy0yhh6M?= =?iso-8859-1?Q?e0droEnK1X3QojCEeVRZo2lAPiWh+U2w=3D=3D?= x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN2PR01MB5902.prod.exchangelabs.com;PTR:;CAT:NONE;SFS:(13230031)(366007)(1800799015)(376005)(38070700009);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?44jWjezMB9oudAo6pYMmJk+mUEuT75xAgbFOedh6N5A+fFPScR0IuAEqkP?= =?iso-8859-1?Q?iFJW50wG585VvB+k8SBCkMf04li2IFLUgG2Wm4mAGy4lmPK0CWYqqCPJb3?= =?iso-8859-1?Q?J0LNxr/h71Dp3UffQfLeM3c1NqIhHpleKGaPPTVpFwNl/8CB+qA4v+kWxR?= =?iso-8859-1?Q?MU1ako+qvbXV+SBOE/vWjezFucSqvdjko+VoFv0oeODmPU9vS4ek+sBkdU?= =?iso-8859-1?Q?tjIZwhgjQy1FqFNzMA5xuAqJB4MLmYbQ0W8ce4tiPE7xJqGvj/bfASfO09?= =?iso-8859-1?Q?u1m41EO5Bv6eHv8aLqZBYfllhPxSmtJF/h67fQKYpllNGYehISg8fRXOdQ?= =?iso-8859-1?Q?bmpUECci5AAkskMR3TaI/VWI2EM8Jr06qUhCj28dcbuacdAQ9P3jvtufC8?= =?iso-8859-1?Q?7x0cK/Hu8rAvdNGO3oQwRDXVAFZrnmyPAUh3vFb0XVYkBWMnDz3NnBlexK?= =?iso-8859-1?Q?wZLVCQ3WDp1R3efkRoyxP8ILofwkXJXhs6tmroRJEJW6Si+3U13vEXR2EN?= =?iso-8859-1?Q?cGRPlbyA5c7V5UN2g5Nbk4Z83SrsK1215KB4j007Hbxrl4RR9rfrUQhxIH?= =?iso-8859-1?Q?VzW+OB1hVDSb+3BjVrDHbdZZvC4zWCpGIEYOBLIX3LG8plJI2QoNfUIDrM?= =?iso-8859-1?Q?9D1HhfwaupWX1Tzj0K7X7SrsO9VzINlQPAiN2qQMxR7X+Ezd8XTe3NXhDk?= =?iso-8859-1?Q?MQIhpZ2GsTJZYrFkpeOE5Fbl8mQGEFq9TW6JD6lhlnDSJCXgpf8p/I2+1u?= =?iso-8859-1?Q?IyxJDZqsZkaD0+JdHfIufbb2q7rUf11EcxJyFz/LfO/7cyTc1MR06fPymn?= =?iso-8859-1?Q?bs27PsZVj7z8HF4cT/X0iTX5LE8c3ZsgLqITd7Xhdt5c/g8277nN8hD0Gb?= =?iso-8859-1?Q?ZQakXt0ITtQLkwmrCtPE6XJ71Q+oenc09PnaujNV9JmhiIFOmveBoV2OTf?= =?iso-8859-1?Q?V91HqT6WLsDtJxUzTsdBCQL2K3RjN4nk+RJTSfEWROCyIzzwkxtKNQupaX?= =?iso-8859-1?Q?M9GNFwLURNgemMD3EZuvombOAaygFD6o2VZbyM31+wYhRQ3SkMKtOe21l3?= =?iso-8859-1?Q?w2L1xwQCjouoL2P0NGtZPvyLZOiw9lDUNeL4R7tUOr84RRhFaUOVs9EeRI?= =?iso-8859-1?Q?VQk6k+u6hNnvSWD1laPYgH1SAWU+ctGqZs67xSW5rNClJ/AVrZBBI19bEN?= =?iso-8859-1?Q?fSN6OJtjL6hic93J4FkorGyABbVl/b0oGpTnZDh6zV7TqxjIrZG2E001A9?= =?iso-8859-1?Q?uM4uenNLUcOt2z5HxOU/5JbFQHCHLSfoW1W7oJP4e34NkLmJUEU3BHmntd?= =?iso-8859-1?Q?2P0a/RDDSi/a9KXhJHt9pKM5p3I20MEZlJszbxAU0I06/uIURGZYxhM9vo?= =?iso-8859-1?Q?MZAOv7YcdUzt21MH0gAchDoZB5Ie7QbptM11u17fG2enUgj5EyC/1QWV7t?= =?iso-8859-1?Q?OO33t0pI4aTZc3ZyfWGJwzOMVx7iUCIkTzhnsDJYYRPuvObHgNCf9x3iGt?= =?iso-8859-1?Q?VR6VClZzdH4OD5PHSVbqaOpBL1TesyY1nPBqkqFjbLng9TOvat1rhbjG0e?= =?iso-8859-1?Q?hcre6adXQ4loCrCPM3DQwD0fjtma0pkArPHAGmc4ejQyP/1RLrPdQq+E0N?= =?iso-8859-1?Q?aHvcaCELFFLFSevihve5wTWKB0JuHfW4LVw4CuupUcZRFoxc9Myuzitw?= =?iso-8859-1?Q?=3D=3D?= 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-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR01MB5902.prod.exchangelabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8b774699-53b3-4639-2e04-08dc84147305 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Jun 2024 21:30:54.3456 (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: FZM8Bwoy4UzLDekUlked+WIxwdIMs7f4BGEJ0OCMndNsuPzWnTI61kntEZb2BEJorS2+JkkdnYHx4nUjTZeKf4K5tqC3LBFeQ/6lflanFW4blrI1DODDiuYzSPdKVpVP X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR01MB7676 X-Rspamd-Queue-Id: 842B61C000C X-Stat-Signature: jsmi7w9x5x48yshge5yeasf61c6g9osx X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1717450258-897193 X-HE-Meta: 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 hEgSNF1W 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 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: List-Subscribe: List-Unsubscribe: 'vmap allocation for size %lu failed: use vmalloc=3D to increase size= '=0A= The above warning is seen in the kernel functionality for allocation of=0A= the restricted virtual memory range till exhaustion.=0A= =0A= This message is misleading because 'vmalloc=3D' is not a valid kernel=0A= parameter on a number of platforms, in particular it is not supported=0A= on arm64. With the update, the output gets modified to include the function= =0A= parameters along with the start and end of the virtual memory range allowed= =0A= =0A= The warning message after fix on kernel version 6.10.0-rc1+:=0A= =0A= vmalloc_node_range for size 33619968 failed: Address range restricted betwe= en 0xffff800082640000 - 0xffff800084650000=0A= =0A= Backtrace with the misleading error message:=0A= =0A= vmap allocation for size 33619968 failed: use vmalloc=3D to increase= size=0A= insmod: vmalloc error: size 33554432, vm_struct allocation failed, mode:0x= cc0(GFP_KERNEL), nodemask=3D(null),cpuset=3D/,mems_allowed=3D0=0A= CPU: 46 PID: 1977 Comm: insmod Tainted: G E 6.10.0-rc1+ #7= 9=0A= Hardware name: INGRASYS Yushan Server iSystem TEMP-S000141176+10/Yushan Mo= therboard, BIOS 2.10.20230517 (SCP: xxx) yyyy/mm/dd=0A= Call trace:=0A= dump_backtrace+0xa0/0x128=0A= show_stack+0x20/0x38=0A= dump_stack_lvl+0x78/0x90=0A= dump_stack+0x18/0x28=0A= warn_alloc+0x12c/0x1b8=0A= __vmalloc_node_range_noprof+0x28c/0x7e0=0A= custom_init+0xb4/0xfff8 [test_driver]=0A= do_one_initcall+0x60/0x290=0A= do_init_module+0x68/0x250=0A= load_module+0x236c/0x2428=0A= init_module_from_file+0x8c/0xd8=0A= __arm64_sys_finit_module+0x1b4/0x388=0A= invoke_syscall+0x78/0x108=0A= el0_svc_common.constprop.0+0x48/0xf0=0A= do_el0_svc+0x24/0x38=0A= el0_svc+0x3c/0x130=0A= el0t_64_sync_handler+0x100/0x130=0A= el0t_64_sync+0x190/0x198=0A= =0A= Reviewed-by: Christoph Lameter (Ampere) =0A= Signed-off-by: Shubhang Kaushik =0A= ---=0A= mm/vmalloc.c | 4 ++--=0A= 1 file changed, 2 insertions(+), 2 deletions(-)=0A= =0A= diff --git a/mm/vmalloc.c b/mm/vmalloc.c=0A= index 5d3aa2dc88a8..75ad551e90ba 100644=0A= --- a/mm/vmalloc.c=0A= +++ b/mm/vmalloc.c=0A= @@ -2055,8 +2055,8 @@ static struct vmap_area *alloc_vmap_area(unsigned lon= g size,=0A= }=0A= =0A= if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit())=0A= - pr_warn("vmap allocation for size %lu failed: use vmalloc=3D to in= crease size\n",=0A= - size);=0A= + pr_warn("vmalloc_node_range for size %lu failed: Address range restricte= d to %#lx - %#lx\n",=0A= + size, addr, addr+size);=0A= =0A= kmem_cache_free(vmap_area_cachep, va);=0A= return ERR_PTR(-EBUSY);=0A= -- =0A= 2.39.2=