From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f197.google.com (mail-wr0-f197.google.com [209.85.128.197]) by kanga.kvack.org (Postfix) with ESMTP id E34296B002C for ; Thu, 22 Mar 2018 12:35:22 -0400 (EDT) Received: by mail-wr0-f197.google.com with SMTP id c11so4618555wrf.4 for ; Thu, 22 Mar 2018 09:35:22 -0700 (PDT) Received: from smtp-out4.electric.net (smtp-out4.electric.net. [192.162.216.194]) by mx.google.com with ESMTPS id e24si4072261edc.275.2018.03.22.09.35.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Mar 2018 09:35:21 -0700 (PDT) From: David Laight Subject: RE: [RFC PATCH 1/8] mm: mmap: unmap large mapping by section 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: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: 'Laurent Dufour' , Matthew Wilcox , Yang Shi Cc: Michal Hocko , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" RnJvbTogIExhdXJlbnQgRHVmb3VyDQo+IFNlbnQ6IDIyIE1hcmNoIDIwMTggMTY6MjkNCi4uLg0K PiBUaGlzIGJlaW5nIHNhaWQsIGhhdmluZyBhIHBlciBWTUEgbG9jayBjb3VsZCBsZWFkIHRvIHRy aWNreSBkZWFkIGxvY2sgY2FzZSwNCj4gd2hlbiBtZXJnaW5nIG11bHRpcGxlIFZNQSBoYXBwZW5z IGluIHBhcmFsbGVsIHNpbmNlIG11bHRpcGxlIFZNQSB3aWxsIGhhdmUgdG8NCj4gYmUgbG9ja2Vk IGF0IHRoZSBzYW1lIHRpbWUsIGdyYWJiaW5nIHRob3NlIGxvY2sgaW4gYSBmaW5lIG9yZGVyIHdp bGwgYmUgcmVxdWlyZWQuDQoNCllvdSBjb3VsZCBoYXZlIGEgZ2xvYmFsIGxvY2sgYW5kIHBlciBW TUEgbG9ja3MuDQpBbnl0aGluZyB0aGF0IG9ubHkgYWNjZXNzZXMgb25lIFZNQSBjb3VsZCByZWxl YXNlIHRoZSBnbG9iYWwgbG9jayBhZnRlcg0KYWNxdWlyaW5nIHRoZSBwZXIgVk1BIGxvY2suDQpJ ZiBjb2RlIG5lZWRzIG11bHRpcGxlIFZNQSAnbG9ja2VkJyBpdCBjYW4gbG9jayBhbmQgdW5sb2Nr IGVhY2ggVk1BDQppbiB0dXJuLCB0aGVuIGtlZXAgdGhlIGdsb2JhbCBsb2NrIGhlbGQuDQoNCglE YXZpZA0KDQo=