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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2523FC4361A for ; Fri, 4 Dec 2020 18:34:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 753E222582 for ; Fri, 4 Dec 2020 18:34:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 753E222582 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D99896B0036; Fri, 4 Dec 2020 13:34:30 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D4A826B005C; Fri, 4 Dec 2020 13:34:30 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B76376B005D; Fri, 4 Dec 2020 13:34:30 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0019.hostedemail.com [216.40.44.19]) by kanga.kvack.org (Postfix) with ESMTP id A1DF86B0036 for ; Fri, 4 Dec 2020 13:34:30 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 6046D363C for ; Fri, 4 Dec 2020 18:34:30 +0000 (UTC) X-FDA: 77556450300.02.list69_1007cd2273c6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin02.hostedemail.com (Postfix) with ESMTP id 425C110097AA0 for ; Fri, 4 Dec 2020 18:34:30 +0000 (UTC) X-HE-Tag: list69_1007cd2273c6 X-Filterd-Recvd-Size: 12177 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Fri, 4 Dec 2020 18:34:28 +0000 (UTC) IronPort-SDR: PmeMceVGb5UBaq3+mwHyArpCwF+VMOa9NpraZbY4RUD9dpT9FB9PsDQV8sKe/o1EBmXyBXTtnZ d3zEZZc1AbZA== X-IronPort-AV: E=McAfee;i="6000,8403,9825"; a="191669660" X-IronPort-AV: E=Sophos;i="5.78,393,1599548400"; d="scan'208";a="191669660" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2020 10:34:24 -0800 IronPort-SDR: tPKCsCIsjaF9dOnF3PXL9UEw8PpV8g81HLxuIn8i5KKmdZrZrfnV6/5kM3N4riwAFwF1i23UOI gr5ZhFgD7yuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,393,1599548400"; d="scan'208";a="346683882" Received: from orsmsx604.amr.corp.intel.com ([10.22.229.17]) by orsmga002.jf.intel.com with ESMTP; 04 Dec 2020 10:34:22 -0800 Received: from orsmsx604.amr.corp.intel.com (10.22.229.17) by ORSMSX604.amr.corp.intel.com (10.22.229.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Fri, 4 Dec 2020 10:34:21 -0800 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx604.amr.corp.intel.com (10.22.229.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5 via Frontend Transport; Fri, 4 Dec 2020 10:34:21 -0800 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.171) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.1713.5; Fri, 4 Dec 2020 10:33:55 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=lXQvFWFtb3h1D6lnPNnk7rOcOBbK4R7SpzkBNa2UgHvTejo6b0vwQZhD0082v2OapkK/h2Kq3MZusA7RP4zlgvOvxxjpnYggzmaC37TPSMHuDe1BIa+hp+/YEBctTDt2tbN7U4ZLu173zLUB1LZjL3YRvSV6BuTToexCTvNnDjA5Bq0HDJdRyyWhUjd1DtWY7kz4pkBMHV3gsYOjaOXBV2n5e9JtfN8q8nE0CbRUYZ8HhfACFrW9vsirouqAh95TD2JF1dXmDi8LTHVIHoVP5PLuFxceP1Is2S2N7Jj3a+ScxWNa5RA8NatQQObW/rrCEpqsRPNLRmwBj1uZc8Bccg== 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-SenderADCheck; bh=1pGihKPDGqIg+SlU+jk6TfFt/GR8szYzraWqbP0Xxfo=; b=mkKMPtANqwEsJVwgLn7lLHs54Riu+aPlDqKgXvzGo2cx052bnPLCwNGtI4K7+alRMwO52HNVgFp0IkxBTi3/WZ6Ghatevk3NVEYmWdvKSHwaodVw4QockfSGBqoXpfAtoO6NKhRrStUheSKMyPKcLE8sy84NQIrEaVhNwtB8kvCnL1fSerZSEnmwP6KcSQkP7qCQ/mNE93cZpQBn4lrvDHlo9DNgeLrk1ct+RYm6TiZ3AHFR/+tUPKr2hqU+hafd1ZQ+AbM0PsUzvT1ypAwWdURLrjMhv3X8LVTEEMVoBkStqBt4Mq+bhzBabMrAIM2wJeDO0+JbEDjplZajBZ35hQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel.onmicrosoft.com; s=selector2-intel-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1pGihKPDGqIg+SlU+jk6TfFt/GR8szYzraWqbP0Xxfo=; b=SotSdOYDGdjPwr6AEuK3TMgQiN1NiCC1CyseEfY1E77hdSRgqOgZZUM9DY8rDr3uX6hCLKAPr+Fxor4DIoYpLwAxNx//S8/5hU7ls6JaYYNw+mSRppGZQn/1daYh1CInaeksp04K8Ox/0LzrbdXIBBssKerRO8LMR3wqdVNQYC0= Received: from SN6PR11MB3184.namprd11.prod.outlook.com (2603:10b6:805:bd::17) by SN6PR11MB2671.namprd11.prod.outlook.com (2603:10b6:805:60::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3632.17; Fri, 4 Dec 2020 18:33:54 +0000 Received: from SN6PR11MB3184.namprd11.prod.outlook.com ([fe80::bcad:a1da:3b9b:1412]) by SN6PR11MB3184.namprd11.prod.outlook.com ([fe80::bcad:a1da:3b9b:1412%6]) with mapi id 15.20.3611.025; Fri, 4 Dec 2020 18:33:54 +0000 From: "Edgecombe, Rick P" To: "npiggin@gmail.com" , "linux-mm@kvack.org" , "akpm@linux-foundation.org" CC: "linuxppc-dev@lists.ozlabs.org" , "hch@infradead.org" , "linux-arch@vger.kernel.org" , "lizefan@huawei.com" , "christophe.leroy@csgroup.eu" , "Jonathan.Cameron@Huawei.com" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v8 11/12] mm/vmalloc: Hugepage vmalloc mappings Thread-Topic: [PATCH v8 11/12] mm/vmalloc: Hugepage vmalloc mappings Thread-Index: AQHWx0IouDnRaQC0zE26j1j/vLv2yqnhHkOAgAV9xQCAAK16AA== Date: Fri, 4 Dec 2020 18:33:54 +0000 Message-ID: <2e8e1f3e47736e8f5e749cee85b7036cbf9cb1b5.camel@intel.com> References: <20201128152559.999540-1-npiggin@gmail.com> <20201128152559.999540-12-npiggin@gmail.com> <1607068679.lfd133za4h.astroid@bobo.none> In-Reply-To: <1607068679.lfd133za4h.astroid@bobo.none> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.30.1 (3.30.1-1.fc29) authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=intel.com; x-originating-ip: [134.134.137.75] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0e2f56a9-81a6-4c21-6768-08d898832777 x-ms-traffictypediagnostic: SN6PR11MB2671: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: TWmu2O6yU0Gt4BzEwOVEokPs9O7IRCLaPhI5Qe1zyiqY7IU6vfh9zQZ8NodzUTnqHFEgJWCtxXRcMJPUrK4oEMaEky5vcKBei6tQNpuoAjhZGd6DW7TIouZShOQwQXUJF0UtGiUZ8rTss0BKocdC+uFGsYGqQubMpGYf7TZoslBHzp2Yv6r7GCX0VV8tbVchTpzL+ligcQIveu+ODjUqFGmON9tugdh2JyLwQUNZLRL6B5ndA609KGghScFsE84FVi6p7+LlFmo+q1Tv31A1cx230oBeD3o1sblEt+hKQH8KGP+Tjaaops/XjjujiJDc4bO6AhFt+0UvQld+B9+qOASRkm04WPtgFA/FQjdmzGFS4ZUH6TpvdBOexnE59qqUmqjyNZtYqcT+Pd4t6Dtbyg== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SN6PR11MB3184.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(39860400002)(366004)(396003)(136003)(346002)(376002)(66946007)(2906002)(6486002)(316002)(71200400001)(478600001)(7416002)(4326008)(8936002)(110136005)(5660300002)(54906003)(83380400001)(6506007)(86362001)(2616005)(8676002)(6512007)(66446008)(4001150100001)(66556008)(66476007)(36756003)(91956017)(186003)(26005)(64756008)(966005)(76116006);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?utf-8?B?c3dVRGdaNFZyM0NQbzdSalhELzI2TzBkREhjNWl3dDNUNHJ0cmh3bWdIS0pq?= =?utf-8?B?TWw5MDUrbGM1L0h4T1hvLzcyQ2RMVEdtK0dtRHlwdkRBdmoxUVd6TkJVcjl1?= =?utf-8?B?aUdBTisxS2dQTlMwZ25LUWZWZnlrYytmN0lHWDdYUGJOOWVtUDRrM1FVV1Av?= =?utf-8?B?ZjZtbVRuRS9QQmNxbjNHNjZXK1JnUkVPUjNTS0tSZ3hFd3NhNnpsRlpERzlu?= =?utf-8?B?QjhLTTNCdzZ0YTUxMUhVYnBKVi9maSs5UHF5RlVwbFJINXFxZGJPOXkvYjVj?= =?utf-8?B?aDM2ck05ZkkyZU1XYm9ET2ZGSGFrL1pZdFhITmxwZ1RBaEVBZTc0aWsyMSsr?= =?utf-8?B?TDRITFZ0ZTRrREFjVFZNM3lRQVovZkpNWlYrTFJCcUhQVEFhbDc1TkQyeTl5?= =?utf-8?B?c1FlZ3gvU3oySkU2RGNqWFA1dGg0YzhZSVd1QlMwZHpVKzlZWHM2Nzl5Z0hB?= =?utf-8?B?dzV6anNxQjJ1R0YrYWkvVGs5WHREdSswbjRGUzNQallCR3liNXRzVW9FWWVY?= =?utf-8?B?NThGbEZVQVU4dkZQWnlrYWxtOXdNblF5dzEwUlhyN20zcnIxMEVWcXArQlRp?= =?utf-8?B?NFhVQnJRbnM3azZjaERCTWlxMWZmZHRWVzdTTzVXUHpHWXhBMmdyWHVZdEpx?= =?utf-8?B?L2VEcmlEL1RWeUczRGNnc2U3WmNUUlQ4WjNTcWFpRFZnbWxEWUdSNFlzWEhB?= =?utf-8?B?M081b0JtT1VVZWQ1ZTFOY2dEYWEyMzB1cGgrMHNxRDEzQ0JTRWRRZkhDTEt2?= =?utf-8?B?QUlWWXdNWFl4TXV6NWI4V1hRRzhhSFI3YUVBR3lXVVVMQm9lUzJSa0hEWFJK?= =?utf-8?B?SmhRQ2RObWJCbCtmRFc3dTFhcmo2S0lJSGZVWEYzYVNGUUxmOEZNbjhua2RO?= =?utf-8?B?aGdmVENXbm1iazB3M0pPbmNKZEd5Qk93RXl6Z0g0bjBkYTVEanZSNXhWZVE4?= =?utf-8?B?WHk4MmlobzBZM1hGL0ZqeHlpNlpyMkRqTUo1Z1hwNHdhS01JdVgxQm52SEpo?= =?utf-8?B?enpsL1RMa3BGbUNpM2FsTlBBdXh2cHhDWHdJTDJLMXVqKzRudzE2OWJCV2E0?= =?utf-8?B?S3R1QzdGZ0ZkZVh6U3ltZFBRd0Y5aDZHUEpUdDB5bjFRK3hOUG1aYjdCdnlS?= =?utf-8?B?a0M4dTRpa3Byc1p0VFliWmRQN2EreStyWlpKWTc3aTFRMmZoU1BoRm5iV3RH?= =?utf-8?B?dTV3U3dSR3hJWlhCZnQxOHV3dmh1eDJuY3FPaEM1TmNPSHdrdFM4QWpaNHJS?= =?utf-8?B?cXRQUTNicHprK2JJTFFxZDg2R1J2Uksvd3BVZlI2NkFQWkpSQlR0ajlNR2Fw?= =?utf-8?Q?fu8LMUzxAUmZoSTPSSo9JJR0kIP+8WAKAN?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-ID: <4389A573289C0445932317275B5476BA@namprd11.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3184.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0e2f56a9-81a6-4c21-6768-08d898832777 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Dec 2020 18:33:54.2330 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8NQ7GZEi6tehexOw+UmCtv8DVoX7TXdqoAe//7e+Gsjo2eYkd+7Yl035It+yL0I9Wf253XdjjGwA7mXeu0bKjihsICvbiXsUfFRApHBM6tE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR11MB2671 X-OriginatorOrg: intel.com 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: T24gRnJpLCAyMDIwLTEyLTA0IGF0IDE4OjEyICsxMDAwLCBOaWNob2xhcyBQaWdnaW4gd3JvdGU6 DQo+IEV4Y2VycHRzIGZyb20gRWRnZWNvbWJlLCBSaWNrIFAncyBtZXNzYWdlIG9mIERlY2VtYmVy IDEsIDIwMjAgNjoyMQ0KPiBhbToNCj4gPiBPbiBTdW4sIDIwMjAtMTEtMjkgYXQgMDE6MjUgKzEw MDAsIE5pY2hvbGFzIFBpZ2dpbiB3cm90ZToNCj4gPiA+IFN1cHBvcnQgaHVnZSBwYWdlIHZtYWxs b2MgbWFwcGluZ3MuIENvbmZpZyBvcHRpb24NCj4gPiA+IEhBVkVfQVJDSF9IVUdFX1ZNQUxMT0MN Cj4gPiA+IGVuYWJsZXMgc3VwcG9ydCBvbiBhcmNoaXRlY3R1cmVzIHRoYXQgZGVmaW5lIEhBVkVf QVJDSF9IVUdFX1ZNQVANCj4gPiA+IGFuZA0KPiA+ID4gc3VwcG9ydHMgUE1EIHNpemVkIHZtYXAg bWFwcGluZ3MuDQo+ID4gPiANCj4gPiA+IHZtYWxsb2Mgd2lsbCBhdHRlbXB0IHRvIGFsbG9jYXRl IFBNRC1zaXplZCBwYWdlcyBpZiBhbGxvY2F0aW5nDQo+ID4gPiBQTUQNCj4gPiA+IHNpemUNCj4g PiA+IG9yIGxhcmdlciwgYW5kIGZhbGwgYmFjayB0byBzbWFsbCBwYWdlcyBpZiB0aGF0IHdhcyB1 bnN1Y2Nlc3NmdWwuDQo+ID4gPiANCj4gPiA+IEFsbG9jYXRpb25zIHRoYXQgZG8gbm90IHVzZSBQ QUdFX0tFUk5FTCBwcm90IGFyZSBub3QgcGVybWl0dGVkIHRvDQo+ID4gPiB1c2UNCj4gPiA+IGh1 Z2UgcGFnZXMsIGJlY2F1c2Ugbm90IGFsbCBjYWxsZXJzIGV4cGVjdCB0aGlzIChlLmcuLCBtb2R1 bGUNCj4gPiA+IGFsbG9jYXRpb25zIHZzIHN0cmljdCBtb2R1bGUgcnd4KS4NCj4gPiANCj4gPiBT ZXZlcmFsIGFyY2hpdGVjdHVyZXMgKHg4NiwgYXJtNjQsIG90aGVycz8pIGFsbG9jYXRlIG1vZHVs ZXMNCj4gPiBpbml0aWFsbHkNCj4gPiB3aXRoIFBBR0VfS0VSTkVMIGFuZCBzbyBJIHRoaW5rIHRo aXMgdGVzdCB3aWxsIG5vdCBleGNsdWRlIG1vZHVsZQ0KPiA+IGFsbG9jYXRpb25zIGluIHRob3Nl IGNhc2VzLg0KPiANCj4gQWgsIHRoYW5rcy4gSSBndWVzcyBhcmNocyBtdXN0IGFkZGl0aW9uYWxs eSBlbnN1cmUgdGhhdCB0aGVpcg0KPiBQQUdFX0tFUk5FTCBhbGxvY2F0aW9ucyBhcmUgc3VpdGFi bGUgZm9yIGh1Z2UgcGFnZSBtYXBwaW5ncyBiZWZvcmUNCj4gZW5hYmxpbmcgdGhlIG9wdGlvbi4N Cj4gDQo+IElmIHRoZXJlIGlzIGludGVyZXN0IGZyb20gdGhvc2UgYXJjaHMgdG8gc3VwcG9ydCB0 aGlzLCBJIGhhdmUgYW4NCj4gZWFybHkgKHVuLXBvc3RlZCkgcGF0Y2ggdGhhdCBhZGRzIGFuIGV4 cGxpY2l0IFZNX0hVR0UgZmxhZyB0aGF0IGNvdWxkDQo+IG92ZXJyaWRlIHRoZSBwZXNzZW1pc3Rp YyBhcmNoIGRlZmF1bHQuIEl0J3Mgbm90IG11Y2ggdHJvdWJsZSB0byBhZGQNCj4gdGhpcyANCj4g dG8gdGhlIGxhcmdlIHN5c3RlbSBoYXNoIGFsbG9jYXRpb25zLiBJdCdzIHZlcnkgb3V0IG9mIGRh dGUgbm93IGJ1dA0KPiBJIA0KPiBjYW4gYXQgbGVhc3QgZ2l2ZSB3aGF0IEkgaGF2ZSB0byBhbnlv bmUgZG9pbmcgYW4gYXJjaCBzdXBwb3J0IHRoYXQNCj4gd2FudHMgaXQuDQoNCkFoaCwgc29ycnks IEkgdG90YWxseSBtaXNzZWQgdGhhdCB0aGlzIHdhcyBvbmx5IGVuYWJsZWQgZm9yIHBvd2VycGMu DQoNClRoYXQgcGF0Y2ggbWlnaHQgYmUgdXNlZnVsIGZvciBtZSBhY3R1YWxseS4gT3IgbWF5YmUg YSBWTV9OT0hVR0UsIHNpbmNlDQp0aGVyZSBhcmUgb25seSBhIGZldyBwbGFjZXMgd2hlcmUgZXhl Y3V0YWJsZSB2bWFsbG9jcyBhcmUgY3JlYXRlZD8gSSdtDQpub3Qgc3VyZSB3aGF0IHRoZSBvdGhl ciBpc3N1ZXMgYXJlLg0KDQpJIGFtIGVuZGVhdm9yaW5nIHRvIGhhdmUgc21hbGwgbW9kdWxlIGFs bG9jYXRpb25zIHNoYXJlIGxhcmdlIHBhZ2VzLCBzbw0KdGhpcyBpbmZyYXN0cnVjdHVyZSBpcyBh IGJpZyBoZWxwIGFscmVhZHkuDQpodHRwczovL2xvcmUua2VybmVsLm9yZy9sa21sLzIwMjAxMTIw MjAyNDI2LjE4MDA5LTEtcmljay5wLmVkZ2Vjb21iZUBpbnRlbC5jb20vDQoNClRoYW5rcyENCg==