From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <owner-linux-mm@kvack.org>
Received: from mail-it0-f71.google.com (mail-it0-f71.google.com [209.85.214.71])
	by kanga.kvack.org (Postfix) with ESMTP id 81F9B6B0309
	for <linux-mm@kvack.org>; Wed, 16 May 2018 04:33:37 -0400 (EDT)
Received: by mail-it0-f71.google.com with SMTP id o143-v6so8357293itg.9
        for <linux-mm@kvack.org>; Wed, 16 May 2018 01:33:37 -0700 (PDT)
Received: from mail1.bemta12.messagelabs.com (mail1.bemta12.messagelabs.com. [216.82.251.3])
        by mx.google.com with ESMTPS id g1-v6si2091158itd.100.2018.05.16.01.33.35
        for <linux-mm@kvack.org>
        (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
        Wed, 16 May 2018 01:33:35 -0700 (PDT)
From: Huaisheng HS1 Ye <yehs1@lenovo.com>
Subject: RE: [External] Re: [RFC PATCH v1 0/6] use mm to manage NVDIMM (pmem)
 zone
Date: Wed, 16 May 2018 08:33:13 +0000
Message-ID: <HK2PR03MB1684733BFC9773814A6E522C92920@HK2PR03MB1684.apcprd03.prod.outlook.com>
References: <1525704627-30114-1-git-send-email-yehs1@lenovo.com>
 <20180507184622.GB12361@bombadil.infradead.org>
 <CAPcyv4hBJN3npXwg3Ur32JSWtKvBUZh7F8W+Exx3BB-uKWwPag@mail.gmail.com>
 <x49a7tbi8r3.fsf@segfault.boston.devel.redhat.com>
 <HK2PR03MB1684659175EB0A11E75E9B61929A0@HK2PR03MB1684.apcprd03.prod.outlook.com>
 <20180508030959.GB16338@bombadil.infradead.org>
 <HK2PR03MB16841CBB549F40F86BB8D35C92990@HK2PR03MB1684.apcprd03.prod.outlook.com>
 <20180510162742.GA30442@bombadil.infradead.org>
 <HK2PR03MB1684B34F9D1DF18A8CDE18F292930@HK2PR03MB1684.apcprd03.prod.outlook.com>
 <20180515162003.GA26489@bombadil.infradead.org>
 <HK2PR03MB1684F8D2724BB8AF1FCCF02A92920@HK2PR03MB1684.apcprd03.prod.outlook.com>
 <CAPcyv4hFzzF-jZd3-3vLNbB6SHD1Z5+wuRqgiuubnztAEzsSJQ@mail.gmail.com>
In-Reply-To: <CAPcyv4hFzzF-jZd3-3vLNbB6SHD1Z5+wuRqgiuubnztAEzsSJQ@mail.gmail.com>
Content-Language: zh-CN
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Sender: owner-linux-mm@kvack.org
List-ID: <linux-mm.kvack.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>, Jeff Moyer <jmoyer@redhat.com>, Michal Hocko <mhocko@suse.com>, linux-nvdimm <linux-nvdimm@lists.01.org>, Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>, NingTing Cheng <chengnt@lenovo.com>, Dave Hansen <dave.hansen@intel.com>, Linux Kernel
 Mailing List <linux-kernel@vger.kernel.org>, "pasha.tatashin@oracle.com" <pasha.tatashin@oracle.com>, Linux MM <linux-mm@kvack.org>, "colyli@suse.de" <colyli@suse.de>, Johannes Weiner <hannes@cmpxchg.org>, Andrew Morton <akpm@linux-foundation.org>, Sasha Levin <alexander.levin@verizon.com>, Mel
 Gorman <mgorman@techsingularity.net>, Vlastimil Babka <vbabka@suse.cz>, Ocean HY1 He <hehy1@lenovo.com>

PiBGcm9tOiBEYW4gV2lsbGlhbXMgW21haWx0bzpkYW4uai53aWxsaWFtc0BpbnRlbC5jb21dDQo+
IFNlbnQ6IFdlZG5lc2RheSwgTWF5IDE2LCAyMDE4IDEwOjQ5IEFNDQo+IE9uIFR1ZSwgTWF5IDE1
LCAyMDE4IGF0IDc6MDUgUE0sIEh1YWlzaGVuZyBIUzEgWWUgPHllaHMxQGxlbm92by5jb20+IHdy
b3RlOg0KPiA+PiBGcm9tOiBNYXR0aGV3IFdpbGNveCBbbWFpbHRvOndpbGx5QGluZnJhZGVhZC5v
cmddDQo+ID4+IFNlbnQ6IFdlZG5lc2RheSwgTWF5IDE2LCAyMDE4IDEyOjIwIEFNPg0KPiA+PiA+
ID4gPiA+IFRoZW4gdGhlcmUncyB0aGUgcHJvYmxlbSBvZiByZWNvbm5lY3RpbmcgdGhlIHBhZ2Ug
Y2FjaGUgKHdoaWNoIGlzDQo+ID4+ID4gPiA+ID4gcG9pbnRlZCB0byBieSBlcGhlbWVyYWwgZGF0
YSBzdHJ1Y3R1cmVzIGxpa2UgaW5vZGVzIGFuZCBkZW50cmllcykgdG8NCj4gPj4gPiA+ID4gPiB0
aGUgbmV3IGlub2Rlcy4NCj4gPj4gPiA+ID4gWWVzLCBpdCBpcyBub3QgZWFzeS4NCj4gPj4gPiA+
DQo+ID4+ID4gPiBSaWdodCAuLi4gYW5kIHVudGlsIHdlIGhhdmUgdGhhdCBhYmlsaXR5LCB0aGVy
ZSdzIG5vIHBvaW50IGluIHRoaXMgcGF0Y2guDQo+ID4+ID4gV2UgYXJlIGZvY3VzaW5nIHRvIHJl
YWxpemUgdGhpcyBhYmlsaXR5Lg0KPiA+Pg0KPiA+PiBCdXQgaXMgaXQgdGhlIHJpZ2h0IGFwcHJv
YWNoPyAgU28gZmFyIHdlIGhhdmUgKEkgdGhpbmspIHR3byBwYXJhbGxlbA0KPiA+PiBhY3Rpdml0
aWVzLiAgVGhlIGZpcnN0IGlzIGZvciBsb2NhbCBzdG9yYWdlLCB1c2luZyBEQVggdG8gc3RvcmUg
ZmlsZXMNCj4gPj4gZGlyZWN0bHkgb24gdGhlIHBtZW0uICBUaGUgc2Vjb25kIGlzIGEgcGh5c2lj
YWwgYmxvY2sgY2FjaGUgZm9yIG5ldHdvcmsNCj4gPj4gZmlsZXN5c3RlbXMgKGJvdGggTkFTIGFu
ZCBTQU4pLiAgWW91IHNlZW0gdG8gYmUgd2FudGluZyB0byBzdXBwbGFudCB0aGUNCj4gPj4gc2Vj
b25kIGVmZm9ydCwgYnV0IEkgdGhpbmsgaXQncyBtdWNoIGhhcmRlciB0byByZWNvbm5lY3QgdGhl
IGxvZ2ljYWwgY2FjaGUNCj4gPj4gKGllIHRoZSBwYWdlIGNhY2hlKSB0aGFuIGl0IGlzIHRoZSBw
aHlzaWNhbCBjYWNoZSAoaWUgdGhlIGJsb2NrIGNhY2hlKS4NCj4gPg0KPiA+IERlYXIgTWF0dGhl
dywNCj4gPg0KPiA+IFRoYW5rcyBmb3IgY29ycmVjdGluZyBteSBpZGVhIHdpdGggY2FjaGUgbGlu
ZS4NCj4gPiBCdXQgSSBoYXZlIHF1ZXN0aW9ucyBhYm91dCB0aGF0LCBhc3N1bWluZyBOVkRJTU0g
d29ya3Mgd2l0aCBwbWVtIG1vZGUsIGV2ZW4gd2UNCj4gPiB1c2VkIGl0IGFzIHBoeXNpY2FsIGJs
b2NrIGNhY2hlLCBsaWtlIGRtLWNhY2hlLCB0aGVyZSBpcyBwb3RlbnRpYWwgcmlzayB3aXRoDQo+
ID4gdGhpcyBjYWNoZSBsaW5lIGlzc3VlLCBiZWNhdXNlIE5WRElNTXMgYXJlIGJ5dGVzLWFkZHJl
c3Mgc3RvcmFnZSwgcmlnaHQ/DQo+IA0KPiBObywgdGhlcmUgaXMgbm8gcmlzayBpZiB0aGUgY2Fj
aGUgaXMgZGVzaWduZWQgcHJvcGVybHkuIFRoZSBwbWVtDQo+IGRyaXZlciB3aWxsIG5vdCByZXBv
cnQgdGhhdCB0aGUgSS9PIGlzIGNvbXBsZXRlIHVudGlsIHRoZSBlbnRpcmUNCj4gcGF5bG9hZCBv
ZiB0aGUgZGF0YSB3cml0ZSBoYXMgbWFkZSBpdCB0byBwZXJzaXN0ZW50IG1lbW9yeS4gVGhlIGNh
Y2hlDQo+IGRyaXZlciB3aWxsIG5vdCByZXBvcnQgdGhhdCB0aGUgd3JpdGUgc3VjY2VlZGVkIHVu
dGlsIHRoZSBwbWVtIGRyaXZlcg0KPiBjb21wbGV0ZXMgdGhlIEkvTy4gVGhlcmUgaXMgbm8gcmlz
ayB0byBsb3NpbmcgcG93ZXIgd2hpbGUgdGhlIHBtZW0NCj4gZHJpdmVyIGlzIG9wZXJhdGluZyBi
ZWNhdXNlIHRoZSBjYWNoZSB3aWxsIHJlY292ZXIgdG8gaXQncyBsYXN0DQo+IGFja25vd2xlZGdl
ZCBzdGFibGUgc3RhdGUsIGkuZS4gaXQgd2lsbCByb2xsIGJhY2sgLyB1bmRvIHRoZQ0KPiBpbmNv
bXBsZXRlIHdyaXRlLg0KPiANCj4gPiBJZiBzeXN0ZW0gY3Jhc2ggaGFwcGVucywgdGhhdCBtZWFu
cyBDUFUgZG9lc24ndCBoYXZlIG9wcG9ydHVuaXR5IHRvIGZsdXNoIGFsbCBkaXJ0eQ0KPiA+IGRh
dGEgZnJvbSBjYWNoZSBsaW5lcyB0byBOVkRJTU0sIGR1cmluZyBjb3B5aW5nIGRhdGEgcG9pbnRl
ZCBieSBiaW9fdmVjLmJ2X3BhZ2UgdG8NCj4gPiBOVkRJTU0uDQo+ID4gSSBrbm93IHRoZXJlIGlz
IGJ0dCB3aGljaCBpcyB1c2VkIHRvIGd1YXJhbnRlZSBzZWN0b3IgYXRvbWljIHdpdGggYmxvY2sg
bW9kZSwNCj4gPiBidXQgZm9yIHBtZW0gbW9kZSB0aGF0IHdpbGwgbGlrZWx5IGNhdXNlIG1peCBv
ZiBuZXcgYW5kIG9sZCBkYXRhIGluIG9uZSBwYWdlDQo+ID4gb2YgTlZESU1NLg0KPiA+IENvcnJl
Y3QgbWUgaWYgYW55dGhpbmcgd3JvbmcuDQo+IA0KPiBkbS1jYWNoZSBpcyBwZXJmb3JtaW5nIHNp
bWlsYXIgbWV0YWRhdGEgbWFuYWdlbWVudCBhcyB0aGUgYnR0IGRyaXZlcg0KPiB0byBlbnN1cmUg
c2FmZSBmb3J3YXJkIHByb2dyZXNzIG9mIHRoZSBjYWNoZSBzdGF0ZSByZWxhdGl2ZSB0byBwb3dl
cg0KPiBsb3NzIG9yIHN5c3RlbS1jcmFzaC4NCg0KRGVhciBEYW4sDQoNClRoYW5rcyBmb3IgeW91
ciBpbnRyb2R1Y3Rpb24sIEkndmUgbGVhcm5lZCBhIGxvdCBmcm9tIHlvdXIgY29tbWVudHMuDQpJ
IHN1cHBvc2UgdGhhdCB0aGVyZSBzaG91bGQgYmUgaW1wbGVtZW50YXRpb25zIHRvIHByb3RlY3Qg
ZGF0YSBhbmQgbWV0YWRhdGEgYm90aCBpbiBOVkRJTU1zIGZyb20gc3lzdGVtLWNyYXNoIG9yIHBv
d2VyIGxvc3MuDQpOb3Qgb25seSBkYXRhIGJ1dCBhbHNvIG1ldGFkYXRhIGl0c2VsZiBuZWVkcyB0
byBiZSBjb3JyZWN0IGFuZCBpbnRlZ3JhdGVkLCBzbyBrZXJuZWwgY291bGQgaGF2ZSBjaGFuY2Ug
dG8gcmVjb3ZlciBkYXRhIHRvIHRhcmdldCBkZXZpY2UgYWZ0ZXIgcmVib290aW5nLCByaWdodD8N
Cg0KPiANCj4gPiBBbm90aGVyIHF1ZXN0aW9uLCBpZiB3ZSB1c2VkIE5WRElNTXMgYXMgcGh5c2lj
YWwgYmxvY2sgY2FjaGUgZm9yIG5ldHdvcmsgZmlsZXN5c3RlbXMsDQo+ID4gRG9lcyBpbmR1c3Ry
eSBoYXZlIGV4aXN0aW5nIGltcGxlbWVudGF0aW9uIHRvIGJ5cGFzcyBQYWdlIENhY2hlIHNpbWls
YXJseSBsaWtlIERBWCB3YXksDQo+ID4gdGhhdCBpcyB0byBzYXksIGRpcmVjdGx5IHN0b3Jpbmcg
ZGF0YSB0byBOVkRJTU1zIGZyb20gdXNlcnNwYWNlLCByYXRoZXIgdGhhbiBjb3B5aW5nDQo+ID4g
ZGF0YSBmcm9tIGtlcm5lbCBzcGFjZSBtZW1vcnkgdG8gTlZESU1Ncy4NCj4gDQo+IEFueSBjYWNo
aW5nIHNvbHV0aW9uIHdpdGggYXNzb2NpYXRlZCBtZXRhZGF0YSByZXF1aXJlcyBjb29yZGluYXRp
b24NCj4gd2l0aCB0aGUga2VybmVsLCBzbyBpdCBpcyBub3QgcG9zc2libGUgZm9yIHRoZSBrZXJu
ZWwgdG8gc3RheQ0KPiBjb21wbGV0ZWx5IG91dCBvZiB0aGUgd2F5LiBFc3BlY2lhbGx5IHdoZW4g
d2UncmUgdGFsa2luZyBhYm91dCBhIGNhY2hlDQo+IGluIGZyb250IG9mIHRoZSBuZXR3b3JrIHRo
ZXJlIGlzIG5vdCBtdWNoIHJvb20gZm9yIERBWCB0byBvZmZlcg0KPiBpbXByb3ZlZCBwZXJmb3Jt
YW5jZSBiZWNhdXNlIHdlIG5lZWQgdGhlIGtlcm5lbCB0byB0YWtlb3ZlciBvbiBhbGwNCj4gd3Jp
dGUtcGVyc2lzdCBvcGVyYXRpb25zIHRvIHVwZGF0ZSBjYWNoZSBtZXRhZGF0YS4NCg0KQWdyZWUu
DQoNCj4gU28sIEknbSBzdGlsbCBzdHJ1Z2dsaW5nIHRvIHNlZSB3aHkgZG0tY2FjaGUgaXMgbm90
IGEgc3VpdGFibGUNCj4gc29sdXRpb24gZm9yIHRoaXMgY2FzZS4gSXQgc2VlbXMgc3VpdGFibGUg
aWYgaXQgaXMgdXBkYXRlZCB0byBhbGxvdw0KPiBkaXJlY3QgZG1hLWFjY2VzcyB0byB0aGUgcG1l
bSBjYWNoZSBwYWdlcyBmcm9tIHRoZSBiYWNraW5nIGRldmljZQ0KPiBzdG9yYWdlIC8gbmV0d29y
a2luZyBkcml2ZXIuDQoNClNpbmNlcmVseSwNCkh1YWlzaGVuZyBZZQ0KDQo=