From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g9t1613g.houston.hpe.com ([15.241.32.99]:28046 "EHLO g9t1613g.houston.hpe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751150AbeC0UlE (ORCPT ); Tue, 27 Mar 2018 16:41:04 -0400 From: "Kani, Toshi" To: "dan.rue@linaro.org" , "natechancellor@gmail.com" CC: "linux-kernel@vger.kernel.org" , "torvalds@linux-foundation.org" , "bp@suse.de" , "tglx@linutronix.de" , "lious.lilei@hisilicon.com" , "guohanjun@huawei.com" , "wxf.wang@hisilicon.com" , "stable@vger.kernel.org" , "akpm@linux-foundation.org" , "hpa@zytor.com" , "will.deacon@arm.com" , "catalin.marinas@arm.com" , "mingo@redhat.com" , "gregkh@linuxfoundation.org" , "Hocko, Michal" , "cpandya@codeaurora.org" , "willy@infradead.org" Subject: Re: [PATCH 4.4 20/43] mm/vmalloc: add interfaces to free unmapped page table Date: Tue, 27 Mar 2018 20:40:56 +0000 Message-ID: <1522183239.2693.240.camel@hpe.com> References: <20180327162716.407986916@linuxfoundation.org> <20180327162717.580646019@linuxfoundation.org> <20180327201700.xmgzgqox3sz3z32r@xps> <20180327203130.GA18921@localhost> In-Reply-To: <20180327203130.GA18921@localhost> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <4B7159EA4D81F34B9E57922E4D8B0ADA@NAMPRD84.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org List-ID: T24gVHVlLCAyMDE4LTAzLTI3IGF0IDEzOjMxIC0wNzAwLCBOYXRoYW4gQ2hhbmNlbGxvciB3cm90 ZToNCj4gT24gVHVlLCBNYXIgMjcsIDIwMTggYXQgMDM6MTc6MDBQTSAtMDUwMCwgRGFuIFJ1ZSB3 cm90ZToNCj4gPiBPbiBUdWUsIE1hciAyNywgMjAxOCBhdCAwNjoyNzoyNFBNICswMjAwLCBHcmVn IEtyb2FoLUhhcnRtYW4gd3JvdGU6DQo+ID4gPiA0LjQtc3RhYmxlIHJldmlldyBwYXRjaC4gIElm IGFueW9uZSBoYXMgYW55IG9iamVjdGlvbnMsIHBsZWFzZSBsZXQgbWUga25vdy4NCj4gPiA+IA0K IDoNCj4gPiANCj4gPiBUaGlzIHBhdGNoIGNhdXNlcyB0aGUgZm9sbG93aW5nIGJ1aWxkIGVycm9y IG9uIDQuNCBhcm02NDoNCj4gPiANCj4gPiAkIG1ha2UgQVJDSD1hcm02NCBDUk9TU19DT01QSUxF PWFhcmNoNjQtbGludXgtZ251LSBPPWJ1aWxkLWFybTY0IGRlZmNvbmZpZw0KPiA+ICQgbWFrZSBB UkNIPWFybTY0IENST1NTX0NPTVBJTEU9YWFyY2g2NC1saW51eC1nbnUtIE89YnVpbGQtYXJtNjQN Cj4gPiANCj4gPiAgIENDICAgICAgYXJjaC9hcm02NC9tbS9tbXUubw0KPiA+IC4uL2FyY2gvYXJt NjQvbW0vbW11LmM6NzAxOjU6IGVycm9yOiByZWRlZmluaXRpb24gb2Yg4oCYcHVkX2ZyZWVfcG1k X3BhZ2XigJkNCj4gPiAgaW50IHB1ZF9mcmVlX3BtZF9wYWdlKHB1ZF90ICpwdWQpDQo+ID4gICAg ICBefn5+fn5+fn5+fn5+fn5+fg0KPiA+IEluIGZpbGUgaW5jbHVkZWQgZnJvbSAuLi9hcmNoL2Fy bTY0L2luY2x1ZGUvYXNtL3BndGFibGUuaDo2ODI6MCwNCj4gPiAgICAgICAgICAgICAgICAgIGZy b20gLi4vaW5jbHVkZS9saW51eC9tbS5oOjU1LA0KPiA+ICAgICAgICAgICAgICAgICAgZnJvbSAu Li9pbmNsdWRlL2xpbnV4L21tYW4uaDo0LA0KPiA+ICAgICAgICAgICAgICAgICAgZnJvbSAuLi9h cmNoL2FybTY0L21tL21tdS5jOjI1Og0KPiA+IC4uL2luY2x1ZGUvYXNtLWdlbmVyaWMvcGd0YWJs ZS5oOjc3NzoxOTogbm90ZTogcHJldmlvdXMgZGVmaW5pdGlvbiBvZiDigJhwdWRfZnJlZV9wbWRf cGFnZeKAmSB3YXMgaGVyZQ0KPiA+ICBzdGF0aWMgaW5saW5lIGludCBwdWRfZnJlZV9wbWRfcGFn ZShwdWRfdCAqcHVkKQ0KPiA+ICAgICAgICAgICAgICAgICAgICBefn5+fn5+fn5+fn5+fn5+fg0K PiA+IC4uL2FyY2gvYXJtNjQvbW0vbW11LmM6NzA2OjU6IGVycm9yOiByZWRlZmluaXRpb24gb2Yg 4oCYcG1kX2ZyZWVfcHRlX3BhZ2XigJkNCj4gPiAgaW50IHBtZF9mcmVlX3B0ZV9wYWdlKHBtZF90 ICpwbWQpDQo+ID4gICAgICBefn5+fn5+fn5+fn5+fn5+fg0KPiA+IEluIGZpbGUgaW5jbHVkZWQg ZnJvbSAuLi9hcmNoL2FybTY0L2luY2x1ZGUvYXNtL3BndGFibGUuaDo2ODI6MCwNCj4gPiAgICAg ICAgICAgICAgICAgIGZyb20gLi4vaW5jbHVkZS9saW51eC9tbS5oOjU1LA0KPiA+ICAgICAgICAg ICAgICAgICAgZnJvbSAuLi9pbmNsdWRlL2xpbnV4L21tYW4uaDo0LA0KPiA+ICAgICAgICAgICAg ICAgICAgZnJvbSAuLi9hcmNoL2FybTY0L21tL21tdS5jOjI1Og0KPiA+IC4uL2luY2x1ZGUvYXNt LWdlbmVyaWMvcGd0YWJsZS5oOjc4MToxOTogbm90ZTogcHJldmlvdXMgZGVmaW5pdGlvbiBvZiDi gJhwbWRfZnJlZV9wdGVfcGFnZeKAmSB3YXMgaGVyZQ0KPiA+ICBzdGF0aWMgaW5saW5lIGludCBw bWRfZnJlZV9wdGVfcGFnZShwbWRfdCAqcG1kKQ0KPiA+ICAgICAgICAgICAgICAgICAgICBefn5+ fn5+fn5+fn5+fn5+fg0KPiA+IG1ha2VbMl06ICoqKiBbLi4vc2NyaXB0cy9NYWtlZmlsZS5idWls ZDoyNzA6IGFyY2gvYXJtNjQvbW0vbW11Lm9dIEVycm9yIDENCj4gPiBtYWtlWzFdOiAqKiogWy9o b21lL2RydWUvc3JjL2xpbnV4LzQuNC1yYy9NYWtlZmlsZTo5Njk6IGFyY2gvYXJtNjQvbW1dIEVy cm9yIDINCj4gPiBtYWtlWzFdOiBMZWF2aW5nIGRpcmVjdG9yeSAnL2hvbWUvZHJ1ZS9zcmMvbGlu dXgvNC40LXJjL2J1aWxkLWFybTY0Jw0KPiA+IG1ha2U6ICoqKiBbTWFrZWZpbGU6MTUyOiBzdWIt bWFrZV0gRXJyb3IgMg0KPiA+IA0KPiA+IA0KPiANCj4gQm90aCBvZiBteSBhcm02NCBkZXZpY2Vz IGJ1aWx0IGZpbmUgd2l0aCB0aGlzIHBhdGNoLi4uIEl0IHNlZW1zIGxpa2UNCj4gdGhlIG9ubHkg d2F5IHRvIGhpdCB0aGF0IGVycm9yIGlzIGlmIEhBVkVfQVJDSF9IVUdFX1ZNQVAgaXNuJ3Qgc2V0 LA0KPiB3aGljaCBzZWVtcyBpbXBvc3NpYmxlIHNpbmNlIGl0IGlzIHNlbGVjdGVkIGJ5IEFSTTY0 Li4uDQo+IA0KPiBTb21lb25lIHNtYXJ0ZXIgdGhhbiBJIG1pZ2h0IGhhdmUgbW9yZSBpbnNpZ2h0 IGJ1dCB0aGlzIHBhdGNoIGlzDQo+IHVuY2hhbmdlZCBmcm9tIHVwc3RyZWFtIHNvIEkgY2FuIG9u bHkgYXNzdW1lIHRoYXQgdGhpcyBlcnJvciB3b3VsZA0KPiBtYW5pZmVzdCB0aGVyZSBhcyB3ZWxs Lg0KDQpJdCBhcHBlYXJzIHRoYXQgSEFWRV9BUkNIX0hVR0VfVk1BUCB3YXMgaW50cm9kdWNlZCBp biA0LjYgb24gYXJtNjQuIA0KSGVuY2UgdGhlIHByb2JsZW0gaW4gNC40Lg0KDQpUaGFua3MsDQot VG9zaGkNCg0K