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Thu, 15 Aug 2019 16:27:13 +0000 Received: from DM5PR15MB1163.namprd15.prod.outlook.com ([fe80::21cc:b41:96bc:f2ca]) by DM5PR15MB1163.namprd15.prod.outlook.com ([fe80::21cc:b41:96bc:f2ca%9]) with mapi id 15.20.2157.022; Thu, 15 Aug 2019 16:27:13 +0000 From: Song Liu To: Oleg Nesterov CC: Linux Kernel Mailing List , Linux MM , Andrew Morton , "Matthew Wilcox" , "Kirill A. Shutemov" , Kernel Team , "William Kucharski" , "srikar@linux.vnet.ibm.com" , Johannes Weiner , "Kirill A. Shutemov" Subject: Re: [PATCH v12 5/6] khugepaged: enable collapse pmd for pte-mapped THP Thread-Topic: [PATCH v12 5/6] khugepaged: enable collapse pmd for pte-mapped THP Thread-Index: AQHVTXlDuUiBx4u3AUqTmiQ0C68ad6bxcvOAgAAJMACAAXXfAIAAEp4AgAAZUACABFVTAIAAE+cAgAAVvICAAGtUAIABKBiAgALZxQCAAGeLAA== Date: Thu, 15 Aug 2019 16:27:13 +0000 Message-ID: <5EF80861-B72C-4B5C-AB2F-FB822367BD0C@fb.com> References: <20190808163303.GB7934@redhat.com> <770B3C29-CE8F-4228-8992-3C6E2B5487B6@fb.com> <20190809152404.GA21489@redhat.com> <3B09235E-5CF7-4982-B8E6-114C52196BE5@fb.com> <4D8B8397-5107-456B-91FC-4911F255AE11@fb.com> <20190812121144.f46abvpg6lvxwwzs@box> <20190812132257.GB31560@redhat.com> <20190812144045.tkvipsyit3nccvuk@box> <2D11C742-BB7E-4296-9E97-5114FA58474B@fb.com> <857DA509-D891-4F4C-A55C-EE58BC2CC452@fb.com> <20190815101635.GD32051@redhat.com> In-Reply-To: <20190815101635.GD32051@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3445.104.11) x-originating-ip: [2620:10d:c090:200::1:3f20] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b6c7283d-5979-499c-256d-08d7219d6e08 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:DM5PR15MB1916; x-ms-traffictypediagnostic: DM5PR15MB1916: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-forefront-prvs: 01304918F3 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(39860400002)(136003)(396003)(376002)(366004)(346002)(189003)(199004)(36756003)(53546011)(4744005)(102836004)(81156014)(6506007)(186003)(229853002)(81166006)(14454004)(86362001)(99286004)(33656002)(6486002)(76176011)(4326008)(6916009)(5660300002)(6246003)(8676002)(478600001)(6512007)(316002)(6436002)(54906003)(8936002)(6116002)(71200400001)(71190400001)(2906002)(476003)(256004)(486006)(446003)(11346002)(53936002)(7416002)(2616005)(76116006)(66476007)(66556008)(66446008)(57306001)(64756008)(305945005)(7736002)(46003)(25786009)(66946007)(91956017)(50226002);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR15MB1916;H:DM5PR15MB1163.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: lAJ8q6frNwkdED2kDcMUsIKcqsUi+79zPBLIpV0z9HJ7ERvtsJN5F5CaDlugU5alN8/IlayUBnkObQGpL8MRV1pl3w4WWj5ddsP2AkXdgKyk6M9KkjRYDMlixUWmx+15gCTFLcREtpVT63Gn8sfWZs5DN1WQk9d2rvrQZUh31Zf6MoWV2fmFic8WvZPmCf5m6HHZoEZ/7138sWhawRlWryB053vMqSOfc+p5ZgakPu4FM1CSAxlR5N9C4sVvQ6eUy5v45/23tMQE0yCYc/OvUgv6bGcYC7gtG8eJ1Zvq1HpwkpMJhTZZna+91oHEY2HPO2Wpxx/tpRbM6uU//dEdcKNh0KPxbmIEqz1wfymknowo46EP21eBOaBwrNHeCE0TekOqwcnhyKV/0yZ0g+LlZ0B90/N+/IWafmnvreHDn0I= Content-Type: text/plain; charset="us-ascii" Content-ID: <8DA236B55E549741B62C1855F61E2952@namprd15.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: b6c7283d-5979-499c-256d-08d7219d6e08 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Aug 2019 16:27:13.4384 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: istBfoHTbgp9i3dzKb/Gu4Wxen7nV3Jtt1K8/SAmrJ9asCnLRl+edMLB3VTAHb3T7xoxSfNe+EOGtOKF/S1ZMw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR15MB1916 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-15_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=849 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908150159 X-FB-Internal: deliver X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Aug 15, 2019, at 3:16 AM, Oleg Nesterov wrote: >=20 > Hi Song, >=20 > sorry, I forgot to reply to this email, >=20 > On 08/13, Song Liu wrote: >>=20 >> Do you have further comments for the version below? If not, could you >> please reply with your Acked-by or Reviewed-by? >=20 > I see nothing wrong in the last series, no objections from me. >=20 > I don't think I can't ack the changes in this area, but feel free to > add my Reviewed-by. >=20 > Oleg. >=20 Thanks Oleg! Will resend latest version shortly.=20 Song