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, 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 9E9F3C433ED for ; Sat, 17 Apr 2021 13:08:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B65A610A6 for ; Sat, 17 Apr 2021 13:08:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236092AbhDQNJD (ORCPT ); Sat, 17 Apr 2021 09:09:03 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:26372 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236357AbhDQNJB (ORCPT ); Sat, 17 Apr 2021 09:09:01 -0400 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-40-NxhZsd9HMzmFc3zLPSZr6w-1; Sat, 17 Apr 2021 14:08:31 +0100 X-MC-Unique: NxhZsd9HMzmFc3zLPSZr6w-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 17 Apr 2021 14:08:30 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.015; Sat, 17 Apr 2021 14:08:30 +0100 From: David Laight To: 'Grygorii Strashko' , Ilias Apalodimas , Jesper Dangaard Brouer , Christoph Hellwig CC: Matthew Wilcox , kernel test robot , Linux-MM , "kbuild-all@lists.01.org" , "clang-built-linux@googlegroups.com" , open list , "linux-fsdevel@vger.kernel.org" , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , "linuxppc-dev@lists.ozlabs.org" , Linux ARM , "David S. Miller" , Matteo Croce , "netdev@vger.kernel.org" Subject: RE: Bogus struct page layout on 32-bit Thread-Topic: Bogus struct page layout on 32-bit Thread-Index: AQHXMqLVEv6dx6LXIEqsc09GLT7Ydaq4r3RA Date: Sat, 17 Apr 2021 13:08:30 +0000 Message-ID: References: <20210409185105.188284-3-willy@infradead.org> <202104100656.N7EVvkNZ-lkp@intel.com> <20210410024313.GX2531743@casper.infradead.org> <20210410082158.79ad09a6@carbon> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org RnJvbTogR3J5Z29yaWkgU3RyYXNoa28NCj4gU2VudDogMTYgQXByaWwgMjAyMSAxMDoyNw0KLi4u DQo+IFNyeSwgZm9yIGRlbGF5ZWQgcmVwbHkuDQo+IA0KPiBUaGUgVEkgcGxhdGZvcm1zIGFtMy80 LzUgKGNwc3cpIGFuZCBLZXlzdG9uZSAyIChuZXRjcCkgY2FuIGRvIG9ubHkgMzJiaXQgRE1BIGV2 ZW4gaW4gY2FzZSBvZiBMUEFFDQo+IChkbWEtcmFuZ2VzIGFyZSB1c2VkKS4NCj4gT3JpZ2luYWxs eSwgYXMgSSByZW1lbWJlciwgQ09ORklHX0FSQ0hfRE1BX0FERFJfVF82NEJJVCBoYXMgbm90IGJl ZW4gc2VsZWN0ZWQgZm9yIHRoZSBMUEFFIGNhc2UNCj4gb24gVEkgcGxhdGZvcm1zIGFuZCB0aGUg ZmFjdCB0aGF0IGl0IGJlY2FtZSBzZXQgaXMgdGhlIHJlc3VsdCBvZiBtdWx0aS1wYWx0Zm9ybS9h bGxYWFhjb25maWcvRE1BDQo+IG9wdGltaXphdGlvbnMgYW5kIHVuaWZpY2F0aW9uLg0KPiAoanVz dCBjaGVja2VkIC0gbm90IHNldCBpbiA0LjE0KQ0KPiANCj4gUHJvYmFibGUgY29tbWl0IDQ5NjVh Njg3ODBjNSAoImFyY2g6IGRlZmluZSB0aGUgQVJDSF9ETUFfQUREUl9UXzY0QklUIGNvbmZpZyBz eW1ib2wgaW4gbGliL0tjb25maWciKS4NCj4gDQo+IFRoZSBUSSBkcml2ZXJzIGhhdmUgYmVlbiB1 cGRhdGVkLCBmaW5hbGx5IHRvIGFjY2VwdCBBUkNIX0RNQV9BRERSX1RfNjRCSVQ9eSBieSB1c2lu ZyB0aGluZ3MgbGlrZQ0KPiAoX19mb3JjZSB1MzIpDQo+IGZvciBleGFtcGxlLg0KDQpIbW1tIHVz aW5nIChfX2ZvcmNlIHUzMikgaXMgcHJvYmFibHkgd3JvbmcuDQpJZiBhbiBhZGRyZXNzICtsZW5n dGggPj0gMioqMzIgY2FuIGdldCBwYXNzZWQgdGhlbiB0aGUgSU8gcmVxdWVzdA0KbmVlZHMgdG8g YmUgZXJyb3JlZCAob3IgYSBib3VuY2UgYnVmZmVyIHVzZWQpLg0KDQpPdGhlcndpc2UgeW91IGNh biBnZXQgcGFydGljdWxhcmx5IGhvcnJpZCBjb3JydXB0aW9ucy4NCg0KCURhdmlkDQoNCi0NClJl Z2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0 b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykN Cg==