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[209.132.180.67]) by mx.google.com with ESMTP id u19si4123682pgv.798.2018.03.22.09.36.42; Thu, 22 Mar 2018 09:36:57 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751872AbeCVQf0 (ORCPT + 99 others); Thu, 22 Mar 2018 12:35:26 -0400 Received: from smtp-out4.electric.net ([192.162.216.183]:50387 "EHLO smtp-out4.electric.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751553AbeCVQfX (ORCPT ); Thu, 22 Mar 2018 12:35:23 -0400 Received: from 1ez3BL-000BRs-Uz by out4d.electric.net with emc1-ok (Exim 4.90_1) (envelope-from ) id 1ez3BO-000BiR-Tr; Thu, 22 Mar 2018 09:35:18 -0700 Received: by emcmailer; Thu, 22 Mar 2018 09:35:18 -0700 Received: from [156.67.243.126] (helo=AcuMS.aculab.com) by out4d.electric.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ez3BL-000BRs-Uz; Thu, 22 Mar 2018 09:35:15 -0700 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 22 Mar 2018 16:36:14 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Thu, 22 Mar 2018 16:36:14 +0000 From: David Laight To: 'Laurent Dufour' , Matthew Wilcox , Yang Shi CC: Michal Hocko , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: RE: [RFC PATCH 1/8] mm: mmap: unmap large mapping by section Thread-Topic: [RFC PATCH 1/8] mm: mmap: unmap large mapping by section Thread-Index: AQHTwfsLnX+N9Wjp+0uBZsFtdYSo/qPccqlQ Date: Thu, 22 Mar 2018 16:36:14 +0000 Message-ID: References: <1521581486-99134-1-git-send-email-yang.shi@linux.alibaba.com> <1521581486-99134-2-git-send-email-yang.shi@linux.alibaba.com> <20180321131449.GN23100@dhcp22.suse.cz> <8e0ded7b-4be4-fa25-f40c-d3116a6db4db@linux.alibaba.com> <20180321212355.GR23100@dhcp22.suse.cz> <952dcae2-a73e-0726-3cc5-9b6a63b417b7@linux.alibaba.com> <20180322091008.GZ23100@dhcp22.suse.cz> <8b4407dd-78f6-2f6f-3f45-ddb8a2d805c8@linux.alibaba.com> <20180322161316.GD28468@bombadil.infradead.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.33] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Outbound-IP: 156.67.243.126 X-Env-From: David.Laight@ACULAB.COM X-Proto: esmtps X-Revdns: X-HELO: AcuMS.aculab.com X-TLS: TLSv1.2:ECDHE-RSA-AES256-SHA384:256 X-Authenticated_ID: X-PolicySMART: 3396946, 3397078 X-Virus-Status: Scanned by VirusSMART (c) X-Virus-Status: Scanned by VirusSMART (s) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogIExhdXJlbnQgRHVmb3VyDQo+IFNlbnQ6IDIyIE1hcmNoIDIwMTggMTY6MjkNCi4uLg0K PiBUaGlzIGJlaW5nIHNhaWQsIGhhdmluZyBhIHBlciBWTUEgbG9jayBjb3VsZCBsZWFkIHRvIHRy aWNreSBkZWFkIGxvY2sgY2FzZSwNCj4gd2hlbiBtZXJnaW5nIG11bHRpcGxlIFZNQSBoYXBwZW5z IGluIHBhcmFsbGVsIHNpbmNlIG11bHRpcGxlIFZNQSB3aWxsIGhhdmUgdG8NCj4gYmUgbG9ja2Vk IGF0IHRoZSBzYW1lIHRpbWUsIGdyYWJiaW5nIHRob3NlIGxvY2sgaW4gYSBmaW5lIG9yZGVyIHdp bGwgYmUgcmVxdWlyZWQuDQoNCllvdSBjb3VsZCBoYXZlIGEgZ2xvYmFsIGxvY2sgYW5kIHBlciBW TUEgbG9ja3MuDQpBbnl0aGluZyB0aGF0IG9ubHkgYWNjZXNzZXMgb25lIFZNQSBjb3VsZCByZWxl YXNlIHRoZSBnbG9iYWwgbG9jayBhZnRlcg0KYWNxdWlyaW5nIHRoZSBwZXIgVk1BIGxvY2suDQpJ ZiBjb2RlIG5lZWRzIG11bHRpcGxlIFZNQSAnbG9ja2VkJyBpdCBjYW4gbG9jayBhbmQgdW5sb2Nr IGVhY2ggVk1BDQppbiB0dXJuLCB0aGVuIGtlZXAgdGhlIGdsb2JhbCBsb2NrIGhlbGQuDQoNCglE YXZpZA0KDQo=