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Sat, 29 Feb 2020 18:43:05 +0000 Date: Sat, 29 Feb 2020 10:43:00 -0800 From: Roman Gushchin To: Marco Ballesio CC: , , , , , , , , , , , , , Subject: Re: [PATCH] cgroup-v1: freezer: optionally killable freezer Message-ID: <20200229184300.GA484762@carbon.DHCP.thefacebook.com> References: <20200219183231.50985-1-balejs@google.com> <20200229005131.GB9813@google.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200229005131.GB9813@google.com> X-ClientProxiedBy: MW2PR16CA0041.namprd16.prod.outlook.com (2603:10b6:907:1::18) To BYAPR15MB2631.namprd15.prod.outlook.com (2603:10b6:a03:150::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from carbon.DHCP.thefacebook.com (2620:10d:c090:400::5:2b89) by MW2PR16CA0041.namprd16.prod.outlook.com (2603:10b6:907:1::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2772.14 via Frontend Transport; Sat, 29 Feb 2020 18:43:03 +0000 X-Originating-IP: [2620:10d:c090:400::5:2b89] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4287a62a-0737-4e79-7ee2-08d7bd473666 X-MS-TrafficTypeDiagnostic: BYAPR15MB3509: X-Microsoft-Antispam-PRVS: X-FB-Source: Internal X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-Forefront-PRVS: 03283976A6 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10019020)(396003)(366004)(39860400002)(376002)(346002)(136003)(199004)(189003)(316002)(4326008)(8676002)(7416002)(478600001)(186003)(16526019)(81156014)(81166006)(2906002)(9686003)(33656002)(55016002)(6916009)(8936002)(1076003)(66946007)(86362001)(5660300002)(4744005)(6506007)(66476007)(52116002)(66556008)(7696005);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB3509;H:BYAPR15MB2631.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: BCL:0; X-Microsoft-Antispam-Message-Info: EUOS7l0wXNG1Z9uA06INk7DTBziP5Pv3o2OJ0WyBlRGRLK8/oWcDn6rnduD7GjsZ2ZYDEBZzwpcELGMjd8IAltUA/KOJaG/zo+JnNfIaU1rNrNNGuV9tpPELegv/OBk38PUeTAnpBNnBDCrFybok9+XtmuDZvCEiNcvf2WWzgiHBkGqkY2kprRMiAG53oZo4UyOMhU9vEXepF40UhL/cUZtbjr4q6EqqljOvb11plxMXQOYzrFX5uVwn7VravB8jk+xdrTvkEsdAuxu4yxoWN4dPKlpGrXqWwWpneaquZLwwlkrMTl42zDtTq+OoJjUnlLoEwo/YteRyfbjjEnFI3u6itO3fMJbYUxTkj9op7+dS5lKLYLa5UHgnt7wHQjMod7GY5jzFdL+MuScaeuRlhNu6cZg1XmkDiiheoY/F+evmQpz48l51EvKflt7joCIm X-MS-Exchange-AntiSpam-MessageData: /M1hrd69eo5H+5QsAmZSx2/E8RN1zu3eN+gZqrWH13z4fbIBHf8c7fgy7FFKl5AHztXOBFyHOt3qOXPo0FR5Jri34IEgaI81GX2LcWVFAQwyPaBIOJC9YtUMZLcPTNoGYdZbdHxO7yJlPJHIhp41840/SyoJ0egc2C3tBDWvHoRvlYqpNSkYfKhDytkWuknP X-MS-Exchange-CrossTenant-Network-Message-Id: 4287a62a-0737-4e79-7ee2-08d7bd473666 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Feb 2020 18:43:05.3046 (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: ze0IWvUkv1YL/z6NrjOyKm45ZdtljHg7FG+bzfWLMQdn0yZgpop5ZuQN5Xhz+5pH X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB3509 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-29_06:2020-02-28,2020-02-29 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 lowpriorityscore=0 priorityscore=1501 suspectscore=1 mlxscore=0 malwarescore=0 adultscore=0 spamscore=0 bulkscore=0 impostorscore=0 mlxlogscore=999 phishscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002290143 X-FB-Internal: deliver Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Fri, Feb 28, 2020 at 04:51:31PM -0800, Marco Ballesio wrote: > Hi all, > > did anyone have time to look into my proposal and, in case, are there > any suggestions, ideas or comments about it? Hello, Marco! I'm sorry, somehow I missed the original letter. In general the cgroup v1 interface is considered frozen. Are there any particular reasons why you want to extend the v1 freezer rather than use the v2 version of it? You don't even need to fully convert to cgroup v2 in order to do it, some v1 controllers can still be used. Thanks! Roman