From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yb1-f197.google.com (mail-yb1-f197.google.com [209.85.219.197]) by kanga.kvack.org (Postfix) with ESMTP id E86F66B000D for ; Wed, 14 Nov 2018 18:41:26 -0500 (EST) Received: by mail-yb1-f197.google.com with SMTP id f17-v6so11728323yba.15 for ; Wed, 14 Nov 2018 15:41:26 -0800 (PST) Received: from NAM02-CY1-obe.outbound.protection.outlook.com (mail-eopbgr760082.outbound.protection.outlook.com. [40.107.76.82]) by mx.google.com with ESMTPS id r9-v6si2455962ybj.458.2018.11.14.15.41.25 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 14 Nov 2018 15:41:25 -0800 (PST) From: Nadav Amit Subject: Re: [PATCH RFC 0/6] mm/kdump: allow to exclude pages that are logically offline Date: Wed, 14 Nov 2018 23:41:16 +0000 Message-ID: <63214D36-14FD-4080-8E35-CF2A392D6507@vmware.com> References: <20181114211704.6381-1-david@redhat.com> <8932E1F4-A5A9-4462-9800-CAC1EF85AC5D@vmware.com> <63c5f4b6-828a-764e-f64d-e603dc4b104e@redhat.com> In-Reply-To: <63c5f4b6-828a-764e-f64d-e603dc4b104e@redhat.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <45598D8ED7B9944FBB381B5CF426DFE4@namprd05.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: David Hildenbrand , linux-mm , Julien Freche Cc: LKML , "open list:DOCUMENTATION" , "devel@linuxdriverproject.org" , linux-fsdevel , "linux-pm@vger.kernel.org" , xen-devel , Alexander Duyck , Alexey Dobriyan , Andrew Morton , Arnd Bergmann , Baoquan He , Boris Ostrovsky , Christian Hansen , Dave Young , David Rientjes , Haiyang Zhang , Jonathan Corbet , Juergen Gross , Kairui Song , "Kirill A. Shutemov" , "K. Y. Srinivasan" , Len Brown , Matthew Wilcox , "Michael S. Tsirkin" , Michal Hocko , Mike Rapoport , Miles Chen , Naoya Horiguchi , Omar Sandoval , Pavel Machek , Pavel Tatashin , "Rafael J. Wysocki" , Stefano Stabellini , Stephen Hemminger , Stephen Rothwell , Vitaly Kuznetsov , Vlastimil Babka RnJvbTogRGF2aWQgSGlsZGVuYnJhbmQNClNlbnQ6IE5vdmVtYmVyIDE0LCAyMDE4IGF0IDExOjA1 OjM4IFBNIEdNVA0KPiBTdWJqZWN0OiBSZTogW1BBVENIIFJGQyAwLzZdIG1tL2tkdW1wOiBhbGxv dyB0byBleGNsdWRlIHBhZ2VzIHRoYXQgYXJlIGxvZ2ljYWxseSBvZmZsaW5lDQo+IA0KPiANCj4g T24gMTQuMTEuMTggMjM6NTcsIE5hZGF2IEFtaXQgd3JvdGU6DQo+PiBGcm9tOiBEYXZpZCBIaWxk ZW5icmFuZA0KPj4gU2VudDogTm92ZW1iZXIgMTQsIDIwMTggYXQgOToxNjo1OCBQTSBHTVQNCj4+ PiBTdWJqZWN0OiBbUEFUQ0ggUkZDIDAvNl0gbW0va2R1bXA6IGFsbG93IHRvIGV4Y2x1ZGUgcGFn ZXMgdGhhdCBhcmUgbG9naWNhbGx5IG9mZmxpbmUNCj4+PiANCj4+PiANCj4+PiBSaWdodCBub3cs IHBhZ2VzIGluZmxhdGVkIGFzIHBhcnQgb2YgYSBiYWxsb29uIGRyaXZlciB3aWxsIGJlIGR1bXBl ZA0KPj4+IGJ5IGR1bXAgdG9vbHMgbGlrZSBtYWtlZHVtcGZpbGUuIFdoaWxlIFhFTiBpcyBhYmxl IHRvIGNoZWNrIGluIHRoZQ0KPj4+IGNyYXNoIGtlcm5lbCB3aGV0aGVyIGEgY2VydGFpbiBwZm4g aXMgYWN0dWFsbCBiYWNrZWQgYnkgbWVtb3J5IGluIHRoZQ0KPj4+IGh5cGVydmlzb3IgKHNlZSB4 ZW5fb2xkbWVtX3Bmbl9pc19yYW0pIGFuZCBvcHRpbWl6ZSB0aGlzIGNhc2UsIGR1bXBzIG9mDQo+ Pj4gdmlydGlvLWJhbGxvb24gYW5kIGh2LWJhbGxvb24gaW5mbGF0ZWQgbWVtb3J5IHdpbGwgZXNz ZW50aWFsbHkgcmVzdWx0IGluDQo+Pj4gemVybyBwYWdlcyBnZXR0aW5nIGFsbG9jYXRlZCBieSB0 aGUgaHlwZXJ2aXNvciBhbmQgdGhlIGR1bXAgZ2V0dGluZw0KPj4+IGZpbGxlZCB3aXRoIHRoaXMg ZGF0YS4NCj4+IA0KPj4gSXMgdGhlcmUgYW55IHJlYXNvbiB0aGF0IFZNd2FyZSBiYWxsb29uIGRy aXZlciBpcyBub3QgbWVudGlvbmVkPw0KPiANCj4gRGVmaW5pdGVseSAuLi4NCj4gDQo+IC4uLiBu b3QgOykgLiBJIGhhdmVuJ3QgbG9va2VkIGF0IHZtd2FyZSdzIGJhbGxvb24gZHJpdmVyIHlldCAo SSBvbmx5IHNhdw0KPiB0aGF0IHRoZXJlIHdhcyBxdWl0ZSBzb21lIGFjdGl2aXR5IHJlY2VudGx5 KS4gSSBndWVzcyBpdCBzaG91bGQgaGF2ZQ0KPiBzaW1pbGFyIHByb2JsZW1zLiAoSSBtZWFuIHJl YWRpbmcgYW5kIGR1bXBpbmcgZGF0YSBub2JvZHkgY2FyZXMgYWJvdXQgaXMNCj4gY2VydGFpbmx5 IG5vdCBkZXNpcmVkKQ0KPiANCj4gQ2FuIHlvdSBzaGFyZSBpZiBzb21ldGhpbmcgbGlrZSB0aGlz IGlzIGFsc28gZGVzaXJlZCBmb3Igdm13YXJlJ3MNCj4gaW1wbGVtZW50YXRpb24/IChJIHRhZ2dl ZCB0aGlzIGFzIFJGQyB0byBnZXQgc29tZSBtb3JlIGZlZWRiYWNrKQ0KPiANCj4gSXQgc2hvdWxk IGluIHRoZW9yeSBiZSBhcyBzaW1wbGUgYXMgYWRkaW5nIGEgaGFuZGZ1bCBvZg0KPiBfU2V0UGFn ZU9mZmxpbmUoKS9fQ2xlYXJQYWdlT2ZmbGluZSgpIGF0IHRoZSByaWdodCBzcG90cy4NCg0KVGhh bmtzLCBJIHdhcyBqdXN0IHN1c3BlY3RpbmcgaXQgaXMgcGVyc29uYWwgOy0pDQoNCkFjdHVhbGx5 LCBzb21lIHBhdGNoZXMgdGhhdCBJIHNlbnQgZm9yIDQuMjAgdG8gdXNlIHRoZSBiYWxsb29uLWNv bXBhY3Rpb24NCmluZnJhc3RydWN0dXJlIGJ5IHRoZSBWTXdhcmUgYmFsbG9vbiBmZWxsIGJldHdl ZW4gdGhlIGNyYWNrcywgYW5kIEkgbmVlZA0KdG8gcmVzZW5kIHRoZW0uDQoNCkkgd291bGQgb2J2 aW91c2x5IHByZWZlciB0aGF0IHlvdXIgY2hhbmdlcyB3b3VsZCBiZSBkb25lIG9uIHRvcCBvZiB0 aG9zZQ0KdGhhdCB3ZXJlIHNraXBwZWQuIFRoaXMgcGF0Y2gtc2V0IHNvdW5kcyB2ZXJ5IHJlYXNv bmFibGUgdG8gbWUsIGJ1dCBJIHByZWZlcg0KdGhhdCBKdWxpZW4gKGNj4oCZZCkgd291bGQgYWxz byBnaXZlIGhpcyBvcGluaW9uLg0KDQpSZWdhcmRzLA0KTmFkYXY=