From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Naoya Horiguchi To: Dan Williams CC: Michal Hocko , linux-nvdimm , "linux-edac@vger.kernel.org" , Tony Luck , "Borislav Petkov" , =?utf-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jan Kara , "H. Peter Anvin" , X86 ML , Thomas Gleixner , Christoph Hellwig , Ross Zwisler , Matthew Wilcox , Ingo Molnar , Souptick Joarder , Linux MM , linux-fsdevel , Andi Kleen Subject: Re: [PATCH v2 00/11] mm: Teach memory_failure() about ZONE_DEVICE pages Date: Tue, 12 Jun 2018 01:50:26 +0000 Message-ID: <20180612015025.GA25302@hori1.linux.bs1.fc.nec.co.jp> References: <20180605141104.GF19202@dhcp22.suse.cz> <20180606073910.GB32433@dhcp22.suse.cz> <20180607143724.GS32433@dhcp22.suse.cz> <20180611075004.GH13364@dhcp22.suse.cz> <20180611145636.GP13364@dhcp22.suse.cz> In-Reply-To: Content-Language: ja-JP Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: T24gTW9uLCBKdW4gMTEsIDIwMTggYXQgMDg6MTk6NTRBTSAtMDcwMCwgRGFuIFdpbGxpYW1zIHdy b3RlOg0KPiBPbiBNb24sIEp1biAxMSwgMjAxOCBhdCA3OjU2IEFNLCBNaWNoYWwgSG9ja28gPG1o b2Nrb0BrZXJuZWwub3JnPiB3cm90ZToNCj4gPiBPbiBNb24gMTEtMDYtMTggMDc6NDQ6MzksIERh biBXaWxsaWFtcyB3cm90ZToNCj4gPiBbLi4uXQ0KPiA+PiBJJ20gc3RpbGwgdHJ5aW5nIHRvIHVu ZGVyc3RhbmQgdGhlIG5leHQgbGV2ZWwgb2YgZGV0YWlsIG9uIHdoZXJlIHlvdQ0KPiA+PiB0aGlu ayB0aGUgZGVzaWduIHNob3VsZCBnbyBuZXh0PyBJcyBpdCBqdXN0IHRoZSBIV1BvaXNvbiBwYWdl IGZsYWc/DQo+ID4+IEFyZSB5b3UgY29uY2VybmVkIGFib3V0IHN1cHBvcnRpbmcgZ3JlYXRlciB0 aGFuIFBBR0VfU0laRSBwb2lzb24/DQo+ID4NCj4gPiBJIHNpbXBseSBkbyBub3Qgd2FudCB0byBj aGVjayBmb3IgSFdQb2lzb24gYXQgemlsbGlvbiBvZiBwbGFjZXMgYW5kIGhhdmUNCj4gPiBlYWNo IHR5cGUgb2YgcGFnZSB0byBoYXZlIHNvbWUgc3BlY2lhbCBoYW5kbGluZyB3aGljaCBjYW4gZ2V0 IHdyb25nIHZlcnkNCj4gPiBlYXNpbHkuIEkgYW0gbm90IGNsZWFyIG9uIGRldGFpbHMgaGVyZSwg dGhpcyBpcyBzb21ldGhpbmcgZm9yIHVzZXJzIG9mDQo+ID4gaHdwb2lzb24gdG8gZGVmaW5lIHdo YXQgaXMgdGhlIHJlYXNvbmFibGUgc2NlbmFyaW9zIHdoZW4gdGhlIGZlYXR1cmUgaXMNCj4gPiB1 c2VmdWwgYW5kIHR1cm4gdGhhdCBpbnRvIGEgZmVhdHVyZSBsaXN0IHRoYXQgY2FuIGJlIGFjdHVh bGx5IHR1cm5lZA0KPiA+IGludG8gYSBkZXNpZ24gZG9jdW1lbnQuIFNlZSB0aGUgZGlmZmVyZW50 IGZyb20gbGV0J3MgcHV0IHNvbWUgbW9yZSBvbg0KPiA+IHRvcCBhcHByb2FjaC4uLg0KPiA+DQo+ IA0KPiBTbyB5b3Ugd2FudCBtZSB0byBwYXkgdGhlIHRvbGwgb2Ygd3JpdGluZyBhIGRlc2lnbiBk b2N1bWVudCBqdXN0aWZ5aW5nDQo+IGFsbCB0aGUgZXhpc3RpbmcgdXNlIGNhc2VzIG9mIEhXUG9p c29uIGJlZm9yZSB3ZSBmaXggdGhlIERBWCBidWdzLCBhbmQNCj4gdGhlIGRlc2lnbiBkb2N1bWVu dCBtYXkgb3IgbWF5IG5vdCByZXN1bHQgaW4gYW55IHN1YnN0YW50aXZlIGNoYW5nZSB0bw0KPiB0 aGVzZSBwYXRjaGVzPw0KPiANCj4gTmFveWEgb3IgQW5kaSwgY2FuIHlvdSBjaGltZSBpbiBoZXJl Pw0KDQptZW1vcnlfZmFpbHVyZSgpIGRvZXMgMyB0aGluZ3M6DQoNCiAtIHVubWFwcGluZyB0aGUg ZXJyb3IgcGFnZSBmcm9tIHByb2Nlc3NlcyB1c2luZyBpdCwNCiAtIGlzb2xhdGluZyB0aGUgZXJy b3IgcGFnZSB3aXRoIFBhZ2VIV1BvaXNvbiwNCiAtIGxvZ2dpbmcvcmVwb3J0aW5nLg0KDQpUaGUg dW5tYXBwaW5nIHBhcnQgYW5kIHRoZSBpc29sYXRpbmcgcGFydCBhcmUgcXVpdGUgcGFnZSB0eXBl IGRlcGVuZGVudCwNCnNvIHRoaXMgc2VlbXMgdG8gbWUgaGFyZCB0byBkbyB0aGVtIGluIGdlbmVy aWMgbWFubmVyIChzbyBzdXBwb3J0aW5nIG5ldw0KcGFnZSB0eXBlIGFsd2F5cyBuZWVkcyBjYXNl IHNwZWNpZmljIG5ldyBjb2RlLikNCkJ1dCBJIGFncmVlIHRoYXQgd2UgY2FuIGltcHJvdmUgY29k ZSBhbmQgZG9jdW1lbnQgdG8gaGVscCBkZXZlbG9wZXJzIGFkZA0Kc3VwcG9ydCBmb3IgbmV3IHBh Z2UgdHlwZS4NCg0KQWJvdXQgZG9jdW1lbnRpbmcsIHRoZSBjb250ZW50IG9mIERvY3VtZW50YXRp b24vdm0vaHdwb2lzb24ucnN0IGlzIG5vdA0KdXBkYXRlZCBzaW5jZSAyMDA5LCBzbyBzb21lIHVw ZGF0ZSB3aXRoIGRlc2lnbiB0aGluZyBtaWdodCBiZSByZXF1aXJlZC4NCk15IGN1cnJlbnQgdGhv dWdodCBhYm91dCB1cGRhdGUgaXRlbXMgYXJlIGxpa2UgdGhpczoNCg0KICAtIGRldGFpbGluZyBn ZW5lcmFsIHdvcmtmbG93LA0KICAtIGFkZGluZyBzb21lIGFib3V0IHNvZnQgb2ZmbGluZSwNCiAg LSBndWlkZWxpbmUgZm9yIGRldmVsb3BlcnMgdG8gc3VwcG9ydCBuZXcgdHlwZSBvZiBtZW1vcnks DQogICgtIGFuZCBhbnl0aGluZyBoZWxwZnVsL3JlcXVlc3RlZC4pDQoNCk1ha2luZyBjb2RlIG1v cmUgcmVhZGFibGUvc2VsZi1kZXNjcmlwdGl2ZSBpcyBoZWxwZnVsLCB0aG91Z2ggSSdtDQpub3Qg Y2xlYXIgbm93IGFib3V0IGhvdy4NCg0KQW55d2F5IEknbGwgZmluZCB0aW1lIHRvIHdvcmsgb24g dGhpcywgd2hpbGUgbm93IEknbSB0ZXN0aW5nIHRoZSBkYXgNCnN1cHBvcnQgcGF0Y2hlcyBhbmQg Zml4aW5nIGEgYnVnIEkgZm91bmQgcmVjZW50bHkuDQoNClRoYW5rcywNCk5hb3lhIEhvcmlndWNo aQ==