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Thu, 14 Jan 2021 03:18:45 +0000 Date: Wed, 13 Jan 2021 19:18:39 -0800 From: Roman Gushchin To: kernel test robot CC: Johannes Weiner , Andrew Morton , Vlastimil Babka , Shakeel Butt , Christoph Lameter , Michal Hocko , Tejun Heo , Naresh Kamboju , Linus Torvalds , LKML , , , , , Subject: Re: [mm] 10befea91b: hackbench.throughput -62.4% regression Message-ID: <20210114031839.GA415540@carbon.dhcp.thefacebook.com> References: <20210114025151.GA22932@xsang-OptiPlex-9020> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210114025151.GA22932@xsang-OptiPlex-9020> X-Originating-IP: [2620:10d:c090:400::5:31a8] X-ClientProxiedBy: MWHPR10CA0065.namprd10.prod.outlook.com (2603:10b6:300:2c::27) To BYAPR15MB4136.namprd15.prod.outlook.com (2603:10b6:a03:96::24) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from carbon.dhcp.thefacebook.com (2620:10d:c090:400::5:31a8) by MWHPR10CA0065.namprd10.prod.outlook.com (2603:10b6:300:2c::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3763.9 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?YYlf3q5N7hQ+N5bLa2Pys7BbLj0F3W/HwxpxR1T/QHpYsEqLrR88FtgCmNYI?= =?us-ascii?Q?extOxr1ybhgyoLWQUha2adBEic5VmVcsLn839bMkZj07EonGnoLw5f075hJk?= =?us-ascii?Q?UcIzRbC2tM0PIIgBl/0h1k1LRbOT77VxXcvvbWDtrbUsrMUJOlGl9eOh6evJ?= =?us-ascii?Q?rCnp+lISNf2iLE0cSyanqsohW2WAm7TPxe8pduGPQtL7SNoKV3pCuCZO2aeb?= =?us-ascii?Q?iTZOqjBFd3s6yyjY1tHACDkKjRTapCmhTuqZXUIHWYXZtfchhaeYKdkw+jpC?= =?us-ascii?Q?nw+UzJhEdBt3in8hfZpXzbVj3dXU1zQ7HFK8Bgb9zeLKPr1bK6TmkArgvfc/?= =?us-ascii?Q?JA8wKYTH8tjhl40WaKp1L+TJzX7tqkOwRzPJtImtpBg0REZBjpP/kxvXUZlw?= =?us-ascii?Q?0Zj7ZLinv1LKjo/FTAhOcpPj+/4HAmh47qkDHZ0SL4Z3SYDUYvfyWoMp08fl?= =?us-ascii?Q?doKhO1wVKrevIb1oauGGYQZbclbnyM8OUcHTmy2rHPMjZhX3QjS3BobXc5tm?= =?us-ascii?Q?HEsKhKdlJu1PJkLOumz0ADodaHS02XvY3NXFZ2ZIXjl6nMpyGniozndJ3bm5?= =?us-ascii?Q?LBzriUD4lhPlGfW6RjeRx/ttuTDrr3Y2KHkmHBvMdVvws2moo3IcjfUriZLU?= =?us-ascii?Q?0nsKHkmlPJcromDrU4oH4A+ncaSTQTVo6Oz3iaSTI4NMb1sy5kpCra52B+ki?= =?us-ascii?Q?PA0RpmE9v9de1fNsff3SW5b6ShDwqO/kl6U6J5e5nq2ePuydoc2ZuLrC8s2c?= =?us-ascii?Q?wj7sIGzqSZ7QCGtCca2jZe064frzP9MWoK+j7HzZXVEwD6TPDVp+lQQXiq5u?= =?us-ascii?Q?5961zCq5XRb2RzNthvKI6XJd4IpieZf6UJk99MtcGl4siM7oNi0uBN2pBYDX?= =?us-ascii?Q?HEboCSsgYCtGYZnPU3cQ6eRXbpmWwBsvGcD7OBG6aJHU/8qQnDKK4Kqf9TiK?= =?us-ascii?Q?MQrDQ1/xIgBNPZ3qlcuapNq5WrWwHCBOnUT86oSOr0l3UcgyKafPqpL+xtlL?= =?us-ascii?Q?GLe5LBkk0afbxeSHaYuG3+QFYA=3D=3D?= X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB4136.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jan 2021 03:18:45.0576 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-Network-Message-Id: 0b6315c3-8bd7-4d5f-f30e-08d8b83b1a00 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 67IWflLIPT4P9QWnZ+g83w0Jx3T4KaLv3jv/rm/p5J4LeOvdFr0JgwyCN17R1KwM X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2712 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2021-01-14_01:2021-01-13,2021-01-14 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 clxscore=1011 mlxscore=0 suspectscore=0 mlxlogscore=706 adultscore=0 impostorscore=0 malwarescore=0 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101140015 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 14, 2021 at 10:51:51AM +0800, kernel test robot wrote: > > Greeting, > > FYI, we noticed a -62.4% regression of hackbench.throughput due to commit: Hi! Commit "mm: memcg/slab: optimize objcg stock draining" (currently only in the mm tree, so no stable hash) should improve the hackbench regression. Thanks!