From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM01-BN3-obe.outbound.protection.outlook.com (mail-bn3nam01on070d.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe41::70d]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id F1AC81A1DE9 for ; Tue, 23 Aug 2016 16:47:42 -0700 (PDT) From: "Kani, Toshimitsu" Subject: Re: [PATCH] memremap: Fix NULL pointer BUG in get_zone_device_page() Date: Tue, 23 Aug 2016 23:47:39 +0000 Message-ID: <1471996023.1532.6.camel@hpe.com> References: <1471977800-12688-1-git-send-email-toshi.kani@hpe.com> In-Reply-To: Content-Language: en-US Content-ID: <4E67E24F580E834DB5BFC47721541CF6@NAMPRD84.PROD.OUTLOOK.COM> MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: "dan.j.williams@intel.com" Cc: "ard.biesheuvel@linaro.org" , "Mulumudi, Abhilash Kumar , linux-nvdimm@lists.01.org" , "linux-kernel@vger.kernel.org" , "akpm@linux-foundation.org" , "brian.starkey@arm.com" List-ID: T24gVHVlLCAyMDE2LTA4LTIzIGF0IDE1OjMyIC0wNzAwLCBEYW4gV2lsbGlhbXMgd3JvdGU6DQo+ IE9uIFR1ZSwgQXVnIDIzLCAyMDE2IGF0IDExOjQzIEFNLCBUb3NoaSBLYW5pIDx0b3NoaS5rYW5p QGhwZS5jb20+DQo+IHdyb3RlOg0KwqA6DQo+IEknbSBub3Qgc3VyZSBhYm91dCB0aGlzIGZpeC7C oMKgVGhlIHBvaW50IG9mIGhvbm9yaW5nwqANCj4gdm1lbV9hbHRtYXBfb2Zmc2V0KCkgaXMgYmVj YXVzZSBhIHBvcnRpb24gb2YgdGhlIHJlc291cmNlIHRoYXQgaXMNCj4gcGFzc2VkIHRvIGRldm1f bWVtcmVtYXBfcGFnZXMoKSBhbHNvIGNvbnRhaW5zIHRoZSBtZXRhZGF0YSBpbmZvIGJsb2NrDQo+ IGZvciB0aGUgZGV2aWNlLsKgwqBUaGUgb2Zmc2V0IHNheXMgInVzZSBldmVyeXRoaW5nIHBhc3Qg dGhpcyBwb2ludCBmb3INCj4gcGFnZXMiLsKgwqBUaGlzIG1heSB3b3JrIGZvciBhdm9pZGluZyBh IGNyYXNoLCBidXQgaXQgbWF5IGNvcnJ1cHQgaW5mbw0KPiBibG9jayBtZXRhZGF0YSBpbiB0aGUg cHJvY2Vzcy7CoMKgQ2FuIHlvdSBwcm92aWRlIG1vcmUgaW5mb3JtYXRpb24NCj4gYWJvdXQgdGhl IGZhaWxpbmcgc2NlbmFyaW8gdG8gYmUgc3VyZSB0aGF0IHdlIGFyZSBub3QgdHJpZ2dlcmluZyBh DQo+IGZhdWx0IG9uIGFuIGFkZHJlc3MgdGhhdCBpcyBub3QgbWVhbnQgdG8gaGF2ZSBhIHBhZ2Ug bWFwcGluZz/CoMKgSS5lLg0KPiB3aGF0IGlzIHRoZSBob3N0IHBoeXNpY2FsIGFkZHJlc3Mgb2Yg dGhlIHBhZ2UgdGhhdCBjYXVzZWQgdGhpcyBmYXVsdCwNCj4gYW5kIGlzIGl0IHZhbGlkPw0KDQpU aGUgZmF1bHQgYWRkcmVzcyBpbiBxdWVzdGlvbiB3YXMgdGhlIDJuZCBwYWdlIG9mIGFuIE5WRElN TSByYW5nZS4gwqBJDQphc3N1bWVkIHRoaXMgZmF1bHQgYWRkcmVzcyB3YXMgdmFsaWQgYW5kIG5l ZWRlZCB0byBiZSBoYW5kbGVkLiDCoEhlcmUgaXMNCnNvbWUgaW5mbyBhYm91dCB0aGUgYmFzZSBh bmQgcGF0Y2hlZCBjYXNlcy4gwqBMZXQgbWUga25vdyBpZiB5b3UgbmVlZA0KbW9yZSBpbmZvLg0K DQpCYXNlDQo9PT09DQoNClRoZSBmb2xsb3dpbmcgTlZESU1NIHJhbmdlIHdhcyBzZXQgdG8gL2Rl di9kYXguDQoNCi9wcm9jL2lvbWVtDQo0ODAwMDAwMDAtODdmZmZmZmZmIDogUGVyc2lzdGVudCBN ZW1vcnkNCg0KZGV2bV9tZW1yZW1hcF9wYWdlcygpIGluaXRpYWxpemVkIHN0cnVjdCBwYWdlIGZy b20gMHg0OTAyMDAtMHg4N2ZmZmYuDQpUaGlzIGxlZnQgMHg0ODAwMC0weDQ5MDFmZiB1bmluaXRp YWxpemVkIGZvciBwYWdlLT5wZ21hcC4NCg0KwqBkZXZtX21lbXJlbWFwX3BhZ2VzOiBwZ21hcCAw eGZmZmY4ODA0NmQwNDUzZjANCsKgWzBdwqDCoDogcGZuIDB4NDkwMjAwLCBwYWdlIGZmZmZlYTAw MTI0MDgwMDAsIHBnbWFwIGZmZmY4ODA0NmQwNDUzZjANCsKgWzFdwqDCoDogcGZuIDB4NDkwMjAx LCBwYWdlIGZmZmZlYTAwMTI0MDgwNDAsIHBnbWFwIGZmZmY4ODA0NmQwNDUzZjANCsKgWzJdwqDC oDogcGZuIDB4NDkwMjAyLCBwYWdlIGZmZmZlYTAwMTI0MDgwODAsIHBnbWFwIGZmZmY4ODA0NmQw NDUzZjANCsKgWzNdwqDCoDogcGZuIDB4NDkwMjAzLCBwYWdlIGZmZmZlYTAwMTI0MDgwYzAsIHBn bWFwIGZmZmY4ODA0NmQwNDUzZjANCsKgWzRdwqDCoDogcGZuIDB4NDkwMjA0LCBwYWdlIGZmZmZl YTAwMTI0MDgxMDAsIHBnbWFwIGZmZmY4ODA0NmQwNDUzZjANCsKgIDoNCsKgW0UrMV06IHBmbiAw eDg4MDAwMCwgcGFnZSBmZmZmZWEwMDIxZmZmZmMwLCBwZ21hcCBmZmZmODgwNDZkMDQ1M2YwDQoN ClRoZSBmYXVsdGVkIHBhZ2Ugd2FzIHBmbiAweDQ4MDAwMSwgd2hpY2ggd2FzIHRoZSAybmQgcGFn ZSBpbiB0aGUgTlZESU1NDQpyYW5nZSBhbmQgZGlkIG5vdCBoYXZlIHZhbGlkIHBnbWFwLiDCoFRo aXMgbGVkIHRoZSBCVUcuDQoNCsKgcGZuwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoDB4NDgw MDAxDQrCoHBhZ2XCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoDB4ZmZmZmVhMDAxMjAwMDA0MA0K wqBwYWdlLT5wZ21hcMKgwqDCoMKgwqDCoDB4ZmZmZmVhMDAxMjAwMDA2MA0KwqBwYWdlLT5wZ21h cC0+cmVmIChudWxsKQ0KDQpQYXRjaA0KPT09PT0NCg0KV2l0aCB0aGUgcGF0Y2gsIGRldm1fbWVt cmVtYXBfcGFnZXMoKSBpbml0aWFsaXplcyBhcyBmb2xsb3dzLg0KDQrCoGRldm1fbWVtcmVtYXBf cGFnZXM6IHBnbWFwIGZmZmY4ODA0NjJiM2I0YjANCsKgWzBdwqDCoDogcGZuIDB4NDgwMDAwLCBw YWdlIGZmZmZlYTAwMTIwMDAwMDAsIHBnbWFwIGZmZmY4ODA0NjJiM2I0YjANCsKgWzFdwqDCoDog cGZuIDB4NDgwMDAxLCBwYWdlIGZmZmZlYTAwMTIwMDAwNDAsIHBnbWFwIGZmZmY4ODA0NjJiM2I0 YjANCsKgWzJdwqDCoDogcGZuIDB4NDgwMDAyLCBwYWdlIGZmZmZlYTAwMTIwMDAwODAsIHBnbWFw IGZmZmY4ODA0NjJiM2I0YjANCsKgWzNdwqDCoDogcGZuIDB4NDgwMDAzLCBwYWdlIGZmZmZlYTAw MTIwMDAwYzAsIHBnbWFwIGZmZmY4ODA0NjJiM2I0YjANCsKgWzRdwqDCoDogcGZuIDB4NDgwMDA0 LCBwYWdlIGZmZmZlYTAwMTIwMDAxMDAsIHBnbWFwIGZmZmY4ODA0NjJiM2I0YjANCsKgIDoNCsKg W0UrMV06IHBmbiAweDg4MDAwMCwgcGFnZSBmZmZmZWEwMDIxZmZmZmMwLCBwZ21hcCBmZmZmODgw NDYyYjNiNGIwDQoNCkEgcGFnZSBmYXVsdCB0byBwZm4gMHg0ODAwMDEgaXMgaGFuZGxlZCBhcyBp dCBoYXMgdmFsaWQgcGdtYXAuDQoNCsKgcGZuwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoDB4 NDgwMDAxDQrCoHBhZ2XCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoDB4ZmZmZmVhMDAxMjAwMDA0 MA0KwqBwYWdlLT5wZ21hcMKgwqDCoMKgwqDCoDB4ZmZmZjg4MDQ2MmIzYjRiMA0KwqBwYWdlLT5w Z21hcC0+cmVmIDB4ZmZmZjg4MDQ2MmIzYjUzMA0KDQpJdHMgZGV2X3BhZ2VtYXAgYW5kIHZtZW1f YWx0bWFwIGFyZSBhcyBmb2xsb3dzLg0KDQpjcmFzaD4gcCB7c3RydWN0IGRldl9wYWdlbWFwfSAw eGZmZmY4ODA0NjJiM2I0YjANCiQyID0gew0KwqAgYWx0bWFwID0gMHhmZmZmODgwNDYyYjNiNGQw LA0KwqAgcmVzID0gMHhmZmZmODgwNDYyYjNiNDY4LA0KwqAgcmVmID0gMHhmZmZmODgwNDYyYjNi NTMwLA0KwqAgZGV2ID0gMHhmZmZmODgwNDYzZTM3MDEwDQp9DQoNCmNyYXNoPiBwIHtzdHJ1Y3Qg dm1lbV9hbHRtYXB9IDB4ZmZmZjg4MDQ2MmIzYjRkMA0KJDMgPSB7DQrCoCBiYXNlX3BmbiA9IDB4 NDgwMDAwLA0KwqAgcmVzZXJ2ZSA9IDB4MiwNCsKgIGZyZWUgPSAweDEwMWZlLA0KwqAgYWxpZ24g PSAweDFmZSwNCsKgIGFsbG9jID0gMHgxMDAwMA0KfQ0KDQpUaGlzIHBhZ2UgZW50cnkgaXMgcGh5 c2ljYWxseSBsb2NhdGVkIGF0IDB4NDgwMjAwMDQwLg0KDQpjcmFzaD4gdnRvcCAweGZmZmZlYTAw MTIwMDAwNDANClZJUlRVQUzCoMKgwqDCoMKgwqDCoMKgwqDCoMKgUEhZU0lDQUwNCmZmZmZlYTAw MTIwMDAwNDDCoMKgNDgwMjAwMDQwDQoNClBNTDQgRElSRUNUT1JZOiBmZmZmZmZmZjgxYzA2MDAw DQpQQUdFIERJUkVDVE9SWTogNDdmZmU2MDY3DQrCoMKgwqBQVUQ6IDQ3ZmZlNjAwMCA9PiA0N2Zm ZTUwNjcNCsKgwqDCoFBNRDogNDdmZmU1NDgwID0+IDgwMDAwMDA0ODAyMDAxZTMNCsKgIFBBR0U6 IDQ4MDIwMDAwMMKgwqAoMk1CKQ0KDQrCoMKgwqDCoMKgwqBQVEXCoMKgwqDCoMKgwqDCoMKgwqBQ SFlTSUNBTMKgwqDCoEZMQUdTDQo4MDAwMDAwNDgwMjAwMWUzwqDCoDQ4MDIwMDAwMMKgwqAoUFJF U0VOVHxSV3xBQ0NFU1NFRHxESVJUWXxQU0V8R0xPQkFMfE5YKQ0KDQrCoMKgwqDCoMKgwqBQQUdF wqDCoMKgwqDCoMKgwqDCoFBIWVNJQ0FMwqDCoMKgwqDCoMKgTUFQUElOR8KgwqDCoMKgwqDCoMKg SU5ERVggQ05UIEZMQUdTDQpmZmZmZWEwMDEyMDA4MDAwIDQ4MDIwMDAwMMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgMMKgwqDCoMKgwqDCoMKgwqAwwqDCoDEgNGZmZmUwMDAwMDA0MDAN CnJlc2VydmVkDQoNClRoYW5rcywNCi1Ub3NoaQ0KX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KTGludXgtbnZkaW1tIG1haWxpbmcgbGlzdApMaW51eC1udmRp bW1AbGlzdHMuMDEub3JnCmh0dHBzOi8vbGlzdHMuMDEub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtbnZkaW1tCg==