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Mon, 25 Mar 2019 16:59:53 +0000 Received: from BYAPR15MB2631.namprd15.prod.outlook.com ([fe80::790e:7294:b086:9ded]) by BYAPR15MB2631.namprd15.prod.outlook.com ([fe80::790e:7294:b086:9ded%3]) with mapi id 15.20.1730.019; Mon, 25 Mar 2019 16:59:53 +0000 From: Roman Gushchin To: Oleg Nesterov CC: Tejun Heo , Kernel Team , "cgroups@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v9 0/9] freezer for cgroup v2 Thread-Topic: [PATCH v9 0/9] freezer for cgroup v2 Thread-Index: AQHU3CHYYz2jTdHUTkCKKsc1tAa+J6YcoAyA Date: Mon, 25 Mar 2019 16:59:53 +0000 Message-ID: <20190325165946.GA30208@tower.DHCP.thefacebook.com> References: <20190316175812.6787-1-guro@fb.com> In-Reply-To: <20190316175812.6787-1-guro@fb.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MW2PR2101CA0027.namprd21.prod.outlook.com (2603:10b6:302:1::40) To BYAPR15MB2631.namprd15.prod.outlook.com (2603:10b6:a03:152::24) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:200::3:faef] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 25fc8ab9-6cc3-4546-7a37-08d6b1434ccf x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600127)(711020)(4605104)(2017052603328)(7153060)(7193020);SRVR:BYAPR15MB2981; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 25fc8ab9-6cc3-4546-7a37-08d6b1434ccf X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2019 16:59:53.4978 (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-Transport-CrossTenantHeadersStamped: BYAPR15MB2981 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-25_10:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Oleg! Can you, please, take a look at the latest version of the patchset? I'd really appreciate it! Thank you! Roman On Sat, Mar 16, 2019 at 10:58:03AM -0700, Roman Gushchin wrote: > This patchset implements freezer for cgroup v2. >=20 > It provides similar functionality as v1 freezer, but the interface > conforms to the cgroup v2 interface design principles, and it > provides a better user experience: tasks can be killed, ptrace works, > there is no separate controller, which has to be enabled, etc. >=20 > Patches (1), (2) and (3) are some preparational work, patch (4) contains > the implementation, patch (5) is a small cgroup kselftest fix, > patch (6) covers freezer adds 6 new kselftests to cover the freezer > functionality. Patchse (7) and (8) adding tracing points to simplify > the debugging process. Patch (9) adds corresponding docs. >=20 > v9->v8: > - added support for vfork > - added a kselftest test for vfork case > - several tests fixes/improvements > - renamed stopped* into frozen* across the patchset > - added trace points > - other minor fixes