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Shutemov" , Peter Zijlstra , Oleg Nesterov , Steven Rostedt , Kernel Team , "william.kucharski@oracle.com" Subject: Re: [PATCH v7 4/4] uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT Thread-Topic: [PATCH v7 4/4] uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT Thread-Index: AQHVK7E785+oCFqbhUC2jl0BeioYsaatcZEAgAGa74A= Date: Thu, 27 Jun 2019 06:31:26 +0000 Message-ID: References: <20190625235325.2096441-1-songliubraving@fb.com> <20190625235325.2096441-5-songliubraving@fb.com> <20190626060038.GB9158@linux.vnet.ibm.com> In-Reply-To: <20190626060038.GB9158@linux.vnet.ibm.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:c090:180::1:6ea5] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2880b3e6-e60d-4289-66fa-08d6fac914f6 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:MWHPR15MB1951; x-ms-traffictypediagnostic: MWHPR15MB1951: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-forefront-prvs: 008184426E x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(39860400002)(396003)(366004)(346002)(136003)(199004)(189003)(68736007)(53546011)(6506007)(76176011)(36756003)(305945005)(8936002)(7736002)(6246003)(6486002)(186003)(6436002)(14454004)(229853002)(57306001)(4326008)(66446008)(64756008)(66556008)(66476007)(73956011)(102836004)(76116006)(316002)(99286004)(54906003)(110136005)(66946007)(25786009)(6116002)(4744005)(33656002)(5660300002)(50226002)(86362001)(8676002)(81156014)(81166006)(478600001)(6512007)(2906002)(71190400001)(71200400001)(53936002)(46003)(7416002)(11346002)(2616005)(486006)(476003)(446003)(14444005)(256004);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR15MB1951;H:MWHPR15MB1165.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX: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: hG+2Udvs0PDKgyESMlOCFnBsWbcJUdh09mID884t3JnFcFu/jA/TjncZLvFQdHNNnKWYBwaHAxPehm1Z9VE8rcb3peOPA7WQwUrHI4kjMeAGGc4MqPpda0vG/sJjnGj8M7II1cbaWqo+1w6v7bayVexgqKj40ex4601kULRxPSyYvypBKK5FshLHpXNlQEh4O7lv8Kxw7jqCV1cgEtw+eOvlBWjA/VaskOwJGB+QyNelqgU1zHHKcM466m3D0Vq0qO9Nk00AVDuxc24hTPWs9WXFnzAx4grh/+gxo9tKWC3MFMojV+PrvN7UPOlmcPvl4WoMVyAtqODGtQgUvw06JOfqKarmVGkuIwUznAXrbw79N/KwX3wgSY8YDwK1nX/hwsn7cSxunE1Y4DEJXFvcA4CJ96XqSQ3PkswPnz2tYXs= Content-Type: text/plain; charset="us-ascii" Content-ID: <902646C75C382B46BB3D455B995697F5@namprd15.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 2880b3e6-e60d-4289-66fa-08d6fac914f6 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Jun 2019 06:31:26.5305 (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: songliubraving@fb.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR15MB1951 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-27_02:,, 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=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=954 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906270074 X-FB-Internal: deliver Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Jun 25, 2019, at 11:00 PM, Srikar Dronamraju wrote: >=20 > * Song Liu [2019-06-25 16:53:25]: >=20 >> This patches uses newly added FOLL_SPLIT_PMD in uprobe. This enables eas= y >> regroup of huge pmd after the uprobe is disabled (in next patch). >>=20 >> Acked-by: Kirill A. Shutemov >> Signed-off-by: Song Liu >> --- >> kernel/events/uprobes.c | 6 ++---- >> 1 file changed, 2 insertions(+), 4 deletions(-) >=20 > Looks good to me. >=20 > Reviewed-by: Srikar Dronamraju Thanks Srikar! I guess these 4 patches are ready to go?=20 Hi Andrew,=20 Could you please route them via the mm tree?=20 Thanks, Song