From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by kanga.kvack.org (Postfix) with ESMTP id EE8D68E0001 for ; Fri, 21 Sep 2018 16:14:34 -0400 (EDT) Received: by mail-io1-f72.google.com with SMTP id l24-v6so24748028iok.21 for ; Fri, 21 Sep 2018 13:14:34 -0700 (PDT) Received: from NAM04-SN1-obe.outbound.protection.outlook.com (mail-eopbgr700123.outbound.protection.outlook.com. [40.107.70.123]) by mx.google.com with ESMTPS id j6-v6si18753121iob.180.2018.09.21.13.14.33 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 21 Sep 2018 13:14:33 -0700 (PDT) From: Pasha Tatashin Subject: Re: [PATCH v4 3/5] mm: Defer ZONE_DEVICE page initialization to the point where we init pgmap Date: Fri, 21 Sep 2018 20:14:32 +0000 Message-ID: <0d9a970c-bec2-e350-be9e-52029282da30@microsoft.com> References: <20180920215824.19464.8884.stgit@localhost.localdomain> <20180920222758.19464.83992.stgit@localhost.localdomain> <2254cfe1-5cd3-eedc-1f24-8e011dcf3575@microsoft.com> In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <7A0664749558304189A8B9EA61198D88@namprd21.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Alexander Duyck , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "linux-nvdimm@lists.01.org" Cc: "mhocko@suse.com" , "dave.jiang@intel.com" , "mingo@kernel.org" , "dave.hansen@intel.com" , "jglisse@redhat.com" , "akpm@linux-foundation.org" , "logang@deltatee.com" , "dan.j.williams@intel.com" , "kirill.shutemov@linux.intel.com" DQo+Pj4gK8KgwqDCoMKgwqDCoMKgIHBhZ2UtPnBnbWFwID0gcGdtYXA7DQo+Pj4gK8KgwqDCoMKg wqDCoMKgIHBhZ2UtPmhtbV9kYXRhID0gMDsNCj4+DQo+PiBfX2luaXRfc2luZ2xlX3BhZ2UoKQ0K Pj4gwqDCoCBtbV96ZXJvX3N0cnVjdF9wYWdlKCkNCj4+DQo+PiBUYWtlcyBjYXJlIG9mIHplcm9p bmcsIG5vIG5lZWQgdG8gZG8gYW5vdGhlciBzdG9yZSBoZXJlLg0KPiANCj4gVGhlIHByb2JsZW0g aXMgX19pbml0X3NpbmdlX3BhZ2UgYWxzbyBjYWxscyBJTklUX0xJU1RfSEVBRCB3aGljaCBJDQo+ IGJlbGlldmUgc2V0cyB0aGUgcHJldiBwb2ludGVyIHdoaWNoIG92ZXJsYXBzIHdpdGggaG1tX2Rh dGEuDQoNCkluZGVlZCBpdCBkb2VzOg0KDQpJTklUX0xJU1RfSEVBRCgmcGFnZS0+bHJ1KTsgb3Zl cmxhcHMgd2l0aCBobW1fZGF0YSwgYW5kIGJlZm9yZQ0KbGlzdF9kZWwoJnBhZ2UtPmxydSk7IHdh cyBjYWxsZWQgdG8gcmVtb3ZlIGZyb20gdGhlIGxpc3QuDQoNCkFuZCBub3cgSSBzZWUgeW91IGFs c28gbWVudGlvbmVkIGFib3V0IHRoaXMgaW4gY29tbWVudHMuIEkgYWxzbyBwcmVmZXINCmhhdmlu ZyBpdCB6ZXJvZWQgaW5zdGVhZCBvZiBsZWZ0IHBvaXNvbmVkIG9yIHVuaW5pdGlhbGl6ZWQuIFRo ZSBjaGFuZ2UNCmxvb2tzIGdvb2QuDQoNClRoYW5rIHlvdSwNClBhdmVsDQoNCj4gDQo+Pg0KPj4g TG9va3MgZ29vZCBvdGhlcndpc2UuDQo+Pg0KPj4gUmV2aWV3ZWQtYnk6IFBhdmVsIFRhdGFzaGlu IDxwYXZlbC50YXRhc2hpbkBtaWNyb3NvZnQuY29tPg0KPj4NCj4gDQo+IFRoYW5rcyBmb3IgdGhl IHJldmlldy4NCj4g