From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f171.google.com (mail-pd0-f171.google.com [209.85.192.171]) by kanga.kvack.org (Postfix) with ESMTP id C86A26B0032 for ; Fri, 5 Dec 2014 03:08:54 -0500 (EST) Received: by mail-pd0-f171.google.com with SMTP id y13so241251pdi.16 for ; Fri, 05 Dec 2014 00:08:54 -0800 (PST) Received: from cnbjrel01.sonyericsson.com (cnbjrel01.sonyericsson.com. [219.141.167.165]) by mx.google.com with ESMTPS id zq10si46371650pbc.218.2014.12.05.00.08.51 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Dec 2014 00:08:53 -0800 (PST) From: "Wang, Yalin" Date: Fri, 5 Dec 2014 16:08:42 +0800 Subject: RE: [RFC V2] mm:add zero_page _mapcount when mapped into user space Message-ID: <35FD53F367049845BC99AC72306C23D103E688B313EC@CNBJMBX05.corpusers.net> References: <35FD53F367049845BC99AC72306C23D103E688B313E0@CNBJMBX05.corpusers.net> <20141202113014.GA22683@node.dhcp.inet.fi> <35FD53F367049845BC99AC72306C23D103E688B313E6@CNBJMBX05.corpusers.net> <20141204122813.GA523@node.dhcp.inet.fi> 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: 'Konstantin Khlebnikov' , "Kirill A. Shutemov" Cc: "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "linux-arm-kernel@lists.infradead.org" PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBLb25zdGFudGluIEtobGVibmlr b3YgW21haWx0bzprb2N0OWlAZ21haWwuY29tXQ0KPiBTZW50OiBGcmlkYXksIERlY2VtYmVyIDA1 LCAyMDE0IDI6MzkgUE0NCj4gVG86IEtpcmlsbCBBLiBTaHV0ZW1vdg0KPiBDYzogV2FuZywgWWFs aW47IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7IGxpbnV4LW1tQGt2YWNrLm9yZzsgbGlu dXgtDQo+IGFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZw0KPiBTdWJqZWN0OiBSZTogW1JG QyBWMl0gbW06YWRkIHplcm9fcGFnZSBfbWFwY291bnQgd2hlbiBtYXBwZWQgaW50byB1c2VyDQo+ IHNwYWNlDQo+IA0KPiBPbiBUaHUsIERlYyA0LCAyMDE0IGF0IDM6MjggUE0sIEtpcmlsbCBBLiBT aHV0ZW1vdiA8a2lyaWxsQHNodXRlbW92Lm5hbWU+DQo+IHdyb3RlOg0KPiA+IE9uIFRodSwgRGVj IDA0LCAyMDE0IGF0IDAyOjEwOjUzUE0gKzA4MDAsIFdhbmcsIFlhbGluIHdyb3RlOg0KPiA+PiA+ IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+ID4+ID4gRnJvbTogS2lyaWxsIEEuIFNodXRl bW92IFttYWlsdG86a2lyaWxsQHNodXRlbW92Lm5hbWVdDQo+ID4+ID4gU2VudDogVHVlc2RheSwg RGVjZW1iZXIgMDIsIDIwMTQgNzozMCBQTQ0KPiA+PiA+IFRvOiBXYW5nLCBZYWxpbg0KPiA+PiA+ IENjOiAnbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZyc7ICdsaW51eC1tbUBrdmFjay5vcmcn Ow0KPiA+PiA+ICdsaW51eC1hcm0tIGtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnJw0KPiA+PiA+ IFN1YmplY3Q6IFJlOiBbUkZDIFYyXSBtbTphZGQgemVyb19wYWdlIF9tYXBjb3VudCB3aGVuIG1h cHBlZCBpbnRvDQo+ID4+ID4gdXNlciBzcGFjZQ0KPiA+PiA+DQo+ID4+ID4gT24gVHVlLCBEZWMg MDIsIDIwMTQgYXQgMDU6Mjc6MzZQTSArMDgwMCwgV2FuZywgWWFsaW4gd3JvdGU6DQo+ID4+ID4g PiBUaGlzIHBhdGNoIGFkZC9kZWMgemVyb19wYWdlJ3MgX21hcGNvdW50IHRvIG1ha2Ugc3VyZSB0 aGUNCj4gPj4gPiA+IG1hcGNvdW50IGlzIGNvcnJlY3QgZm9yIHplcm9fcGFnZSwgc28gdGhhdCB3 aGVuIHJlYWQgZnJvbQ0KPiA+PiA+ID4gL3Byb2Mva3BhZ2Vjb3VudCwgemVyb19wYWdlJ3MgbWFw Y291bnQgaXMgYWxzbyBjb3JyZWN0LCB1c2Vyc3BhY2UNCj4gPj4gPiA+IHByb2Nlc3MgbGlrZSBw cm9jcmFuayBjYW4gY2FsY3VsYXRlIFBTUyBjb3JyZWN0bHkuDQo+IA0KPiBJbnN0ZWFkIG9mIHR3 ZWFraW5nIG1hcGNvdW50IHlvdSBjb3VsZCBtYXJrIHplcm8tcGFnZXMgaW4gL3Byb2Mva3BhZ2Vm bGFncw0KPiBhbmQgaGFuZGxlIHRoZW0gYWNjb3JkaW5nbHkgaW4gdXNlcnNwYWNlLiBPciBtYXJr IHplcm8gcGFnZXMgd2l0aCBzcGVjaWFsDQo+IG1hZ2ljIF9tYXBjb3VudCBhbmQgZGV0ZWN0IGl0 IGluIC9wcm9jL2twYWdlY291bnQuDQo+IA0KSSB0aGluayBhZGQgS1BGX1pFUk9fUEFHRSBpbiBr cGFnZWZsYWdzIGlzIGJldHRlci4NCkkgd2lsbCBtYWtlIGFub3RoZXIgcGF0Y2ggZm9yIHJldmll dyAuDQoNClRoYW5rcw0K -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org