From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f71.google.com (mail-it0-f71.google.com [209.85.214.71]) by kanga.kvack.org (Postfix) with ESMTP id 8E2046B0069 for ; Thu, 19 Oct 2017 23:50:13 -0400 (EDT) Received: by mail-it0-f71.google.com with SMTP id 72so9459128itk.3 for ; Thu, 19 Oct 2017 20:50:13 -0700 (PDT) Received: from tyo162.gate.nec.co.jp (tyo162.gate.nec.co.jp. [114.179.232.162]) by mx.google.com with ESMTPS id 29si42294iol.168.2017.10.19.20.50.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Oct 2017 20:50:12 -0700 (PDT) From: Naoya Horiguchi Subject: Re: [PATCH -mm -V2] mm, pagemap: Fix soft dirty marking for PMD migration entry Date: Fri, 20 Oct 2017 03:48:53 +0000 Message-ID: <52a62b0e-f525-f532-3723-b8baf54357bf@ah.jp.nec.com> References: <20171019151046.3443-1-ying.huang@intel.com> In-Reply-To: <20171019151046.3443-1-ying.huang@intel.com> Content-Language: ja-JP Content-Type: text/plain; charset="utf-8" Content-ID: <2DA51B898B8A6F4EBCE48EA950273C60@gisp.nec.co.jp> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: "Huang, Ying" , Andrew Morton Cc: Naoya Horiguchi , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Michal Hocko , "Kirill A. Shutemov" , David Rientjes , Arnd Bergmann , Hugh Dickins , =?utf-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Daniel Colascione , Zi Yan DQoNCk9uIDEwLzIwLzIwMTcgMTI6MTAgQU0sIEh1YW5nLCBZaW5nIHdyb3RlOg0KPiBGcm9tOiBI dWFuZyBZaW5nIDx5aW5nLmh1YW5nQGludGVsLmNvbT4NCj4gDQo+IE5vdywgd2hlbiB0aGUgcGFn ZSB0YWJsZSBpcyB3YWxrZWQgaW4gdGhlIGltcGxlbWVudGF0aW9uIG9mDQo+IC9wcm9jLzxwaWQ+ L3BhZ2VtYXAsIHBtZF9zb2Z0X2RpcnR5KCkgaXMgdXNlZCBmb3IgYm90aCB0aGUgUE1EIGh1Z2UN Cj4gcGFnZSBtYXAgYW5kIHRoZSBQTUQgbWlncmF0aW9uIGVudHJpZXMuICBUaGF0IGlzIHdyb25n LA0KPiBwbWRfc3dwX3NvZnRfZGlydHkoKSBzaG91bGQgYmUgdXNlZCBmb3IgdGhlIFBNRCBtaWdy YXRpb24gZW50cmllcw0KPiBpbnN0ZWFkIGJlY2F1c2UgdGhlIGRpZmZlcmVudCBwYWdlIHRhYmxl IGVudHJ5IGZsYWcgaXMgdXNlZC4NCj4gT3RoZXJ3aXNlLCB0aGUgc29mdCBkaXJ0eSBpbmZvcm1h dGlvbiBpbiAvcHJvYy88cGlkPi9wYWdlbWFwIG1heSBiZQ0KPiB3cm9uZy4NCj4gDQo+IENjOiBN aWNoYWwgSG9ja28gPG1ob2Nrb0BzdXNlLmNvbT4NCj4gQ2M6ICJLaXJpbGwgQS4gU2h1dGVtb3Yi IDxraXJpbGwuc2h1dGVtb3ZAbGludXguaW50ZWwuY29tPg0KPiBDYzogRGF2aWQgUmllbnRqZXMg PHJpZW50amVzQGdvb2dsZS5jb20+DQo+IENjOiBBcm5kIEJlcmdtYW5uIDxhcm5kQGFybmRiLmRl Pg0KPiBDYzogSHVnaCBEaWNraW5zIDxodWdoZEBnb29nbGUuY29tPg0KPiBDYzogIkrDqXLDtG1l IEdsaXNzZSIgPGpnbGlzc2VAcmVkaGF0LmNvbT4NCj4gQ2M6IERhbmllbCBDb2xhc2Npb25lIDxk YW5jb2xAZ29vZ2xlLmNvbT4NCj4gQ2M6IFppIFlhbiA8emkueWFuQGNzLnJ1dGdlcnMuZWR1Pg0K PiBDYzogTmFveWEgSG9yaWd1Y2hpIDxuLWhvcmlndWNoaUBhaC5qcC5uZWMuY29tPg0KPiBTaWdu ZWQtb2ZmLWJ5OiAiSHVhbmcsIFlpbmciIDx5aW5nLmh1YW5nQGludGVsLmNvbT4NCj4gRml4ZXM6 IDg0YzNmYzRlOWM1NiAoIm1tOiB0aHA6IGNoZWNrIHBtZCBtaWdyYXRpb24gZW50cnkgaW4gY29t bW9uIHBhdGgiKQ0KPiAtLS0NCj4gIGZzL3Byb2MvdGFza19tbXUuYyB8IDYgKysrKystDQo+ICAx IGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZm IC0tZ2l0IGEvZnMvcHJvYy90YXNrX21tdS5jIGIvZnMvcHJvYy90YXNrX21tdS5jDQo+IGluZGV4 IDI1OTNhMGM2MDlkNy4uMDFhYWQ3NzJmOGRiIDEwMDY0NA0KPiAtLS0gYS9mcy9wcm9jL3Rhc2tf bW11LmMNCj4gKysrIGIvZnMvcHJvYy90YXNrX21tdS5jDQo+IEBAIC0xMzExLDEzICsxMzExLDE1 IEBAIHN0YXRpYyBpbnQgcGFnZW1hcF9wbWRfcmFuZ2UocG1kX3QgKnBtZHAsIHVuc2lnbmVkIGxv bmcgYWRkciwgdW5zaWduZWQgbG9uZyBlbmQsDQo+ICAJCXBtZF90IHBtZCA9ICpwbWRwOw0KPiAg CQlzdHJ1Y3QgcGFnZSAqcGFnZSA9IE5VTEw7DQo+ICANCj4gLQkJaWYgKCh2bWEtPnZtX2ZsYWdz ICYgVk1fU09GVERJUlRZKSB8fCBwbWRfc29mdF9kaXJ0eShwbWQpKQ0KPiArCQlpZiAodm1hLT52 bV9mbGFncyAmIFZNX1NPRlRESVJUWSkNCj4gIAkJCWZsYWdzIHw9IFBNX1NPRlRfRElSVFk7DQoN CnJpZ2h0LCBjaGVja2luZyBiaXRzIGluIHBtZCBtdXN0IGJlIGRvbmUgYWZ0ZXIgcG1kX3ByZXNl bnQgaXMgY29uZmlybWVkLg0KDQpBY2tlZC1ieTogTmFveWEgSG9yaWd1Y2hpIDxuLWhvcmlndWNo aUBhaC5qcC5uZWMuY29tPg0KDQpUaGFua3MsDQpOYW95YSBIb3JpZ3VjaGkNCg0KPiAgDQo+ICAJ CWlmIChwbWRfcHJlc2VudChwbWQpKSB7DQo+ICAJCQlwYWdlID0gcG1kX3BhZ2UocG1kKTsNCj4g IA0KPiAgCQkJZmxhZ3MgfD0gUE1fUFJFU0VOVDsNCj4gKwkJCWlmIChwbWRfc29mdF9kaXJ0eShw bWQpKQ0KPiArCQkJCWZsYWdzIHw9IFBNX1NPRlRfRElSVFk7DQo+ICAJCQlpZiAocG0tPnNob3df cGZuKQ0KPiAgCQkJCWZyYW1lID0gcG1kX3BmbihwbWQpICsNCj4gIAkJCQkJKChhZGRyICYgflBN RF9NQVNLKSA+PiBQQUdFX1NISUZUKTsNCj4gQEAgLTEzMjksNiArMTMzMSw4IEBAIHN0YXRpYyBp bnQgcGFnZW1hcF9wbWRfcmFuZ2UocG1kX3QgKnBtZHAsIHVuc2lnbmVkIGxvbmcgYWRkciwgdW5z aWduZWQgbG9uZyBlbmQsDQo+ICAJCQlmcmFtZSA9IHN3cF90eXBlKGVudHJ5KSB8DQo+ICAJCQkJ KHN3cF9vZmZzZXQoZW50cnkpIDw8IE1BWF9TV0FQRklMRVNfU0hJRlQpOw0KPiAgCQkJZmxhZ3Mg fD0gUE1fU1dBUDsNCj4gKwkJCWlmIChwbWRfc3dwX3NvZnRfZGlydHkocG1kKSkNCj4gKwkJCQlm bGFncyB8PSBQTV9TT0ZUX0RJUlRZOw0KPiAgCQkJVk1fQlVHX09OKCFpc19wbWRfbWlncmF0aW9u X2VudHJ5KHBtZCkpOw0KPiAgCQkJcGFnZSA9IG1pZ3JhdGlvbl9lbnRyeV90b19wYWdlKGVudHJ5 KTsNCj4gIAkJfQ0KPiA= -- 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