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, URIBL_BLOCKED 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 24C9FC43460 for ; Wed, 21 Apr 2021 08:43:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E1F0761426 for ; Wed, 21 Apr 2021 08:43:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237008AbhDUIni (ORCPT ); Wed, 21 Apr 2021 04:43:38 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:43761 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232194AbhDUInh (ORCPT ); Wed, 21 Apr 2021 04:43:37 -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-118-CrBwdaVmPfOEx9eMOh2cMQ-1; Wed, 21 Apr 2021 09:43:02 +0100 X-MC-Unique: CrBwdaVmPfOEx9eMOh2cMQ-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; Wed, 21 Apr 2021 09:43:01 +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; Wed, 21 Apr 2021 09:43:01 +0100 From: David Laight To: 'Arnd Bergmann' , Vineet Gupta CC: Matthew Wilcox , "grygorii.strashko@ti.com" , "netdev@vger.kernel.org" , "ilias.apalodimas@linaro.org" , "linux-kernel@vger.kernel.org" , "linux-mips@vger.kernel.org" , "mhocko@kernel.org" , "linux-mm@kvack.org" , "mgorman@suse.de" , "brouer@redhat.com" , "mcroce@linux.microsoft.com" , "linux-snps-arc@lists.infradead.org" , "linuxppc-dev@lists.ozlabs.org" , "hch@lst.de" , "linux-arm-kernel@lists.infradead.org" Subject: RE: [PATCH 1/2] mm: Fix struct page layout on 32-bit systems Thread-Topic: [PATCH 1/2] mm: Fix struct page layout on 32-bit systems Thread-Index: AQHXNir2f1yRrc3ugkWz9MvyD1ZvgKq+pqyQ Date: Wed, 21 Apr 2021 08:43:01 +0000 Message-ID: <5c41d562589b497ca3c1047e0e18b3a1@AcuMS.aculab.com> References: <20210416230724.2519198-1-willy@infradead.org> <20210416230724.2519198-2-willy@infradead.org> <20210417024522.GP2531743@casper.infradead.org> <9f99b0a0-f1c1-f3b0-5f84-3a4bfc711725@synopsys.com> <20210420031029.GI2531743@casper.infradead.org> <8d0fce1c-be7c-1c9b-bf5c-0c531db496ac@synopsys.com> 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-kernel@vger.kernel.org RnJvbTogQXJuZCBCZXJnbWFubg0KPiBTZW50OiAyMCBBcHJpbCAyMDIxIDIyOjIwDQo+IA0KPiBP biBUdWUsIEFwciAyMCwgMjAyMSBhdCAxMToxNCBQTSBWaW5lZXQgR3VwdGENCj4gPFZpbmVldC5H dXB0YTFAc3lub3BzeXMuY29tPiB3cm90ZToNCj4gPiBPbiA0LzIwLzIxIDEyOjA3IEFNLCBBcm5k IEJlcmdtYW5uIHdyb3RlOg0KPiANCj4gPiA+DQo+ID4gPiB3aGljaCBtZWFucyB0aGF0IGhhbGYg dGhlIDMyLWJpdCBhcmNoaXRlY3R1cmVzIGRvIHRoaXMuIFRoaXMgbWF5DQo+ID4gPiBjYXVzZSBt b3JlIHByb2JsZW1zIHdoZW4gYXJjIGFuZC9vciBtaWNyb2JsYXplIHdhbnQgdG8gc3VwcG9ydA0K PiA+ID4gNjQtYml0IGtlcm5lbHMgYW5kIGNvbXBhdCBtb2RlIGluIHRoZSBmdXR1cmUgb24gdGhl aXIgbGF0ZXN0IGhhcmR3YXJlLA0KPiA+ID4gYXMgdGhhdCBtZWFucyBkdXBsaWNhdGluZyB0aGUg eDg2IHNwZWNpZmljIGhhY2tzIHdlIGhhdmUgZm9yIGNvbXBhdC4NCj4gPiA+DQo+ID4gPiBXaGF0 IGlzIGFsaWdub2YodTY0KSBvbiA2NC1iaXQgYXJjPw0KPiA+DQo+ID4gJCBlY2hvICdpbnQgYSA9 IF9fYWxpZ25vZl9fKGxvbmcgbG9uZyk7JyB8IGFyYzY0LWxpbnV4LWdudS1nY2MgLXhjIC0NCj4g PiAtV2FsbCAtUyAtbyAtIHwgZ3JlcCAtQTEgYTogfCB0YWlsIC1uIDEgfCBjdXQgLWYgMw0KPiA+ IDgNCj4gDQo+IE9rLCBnb29kLg0KDQpUaGF0IHRlc3QgZG9lc24ndCBwcm92ZSBhbnl0aGluZy4N ClRyeSBydW5uaW5nIG9uIHg4NjoNCiQgZWNobyAnaW50IGEgPSBfX2FsaWdub2ZfXyhsb25nIGxv bmcpOycgfCBnY2MgLXhjIC0gLVdhbGwgLVMgLW8gLSAtbTMyDQogICAgICAgIC5maWxlICAgIiIN CiAgICAgICAgLmdsb2JsICBhDQogICAgICAgIC5kYXRhDQogICAgICAgIC5hbGlnbiA0DQogICAg ICAgIC50eXBlICAgYSwgQG9iamVjdA0KICAgICAgICAuc2l6ZSAgIGEsIDQNCmE6DQogICAgICAg IC5sb25nICAgOA0KICAgICAgICAuaWRlbnQgICJHQ0M6IChVYnVudHUgNS40LjAtNnVidW50dTF+ MTYuMDQuMTApIDUuNC4wIDIwMTYwNjA5Ig0KICAgICAgICAuc2VjdGlvbiAgICAgICAgLm5vdGUu R05VLXN0YWNrLCIiLEBwcm9nYml0cw0KDQpVc2luZyAnX19hbGlnbm9mX18oc3RydWN0IHtsb25n IGxvbmcgeDt9KScgZG9lcyBnaXZlIHRoZSBleHBlY3RlZCA0Lg0KDQpfX2FsaWdub2ZfXygpIHJl dHVybnMgdGhlIHByZWZlcnJlZCBhbGlnbm1lbnQsIG5vdCB0aGUgZW5mb3JjZWQNCmFsaWdubW5l dCAtIGdvIGZpZ3VyZS4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lk ZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0K UmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==