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Wed, 17 Jun 2020 20:47:13 +0000 Date: Wed, 17 Jun 2020 13:47:05 -0700 From: Roman Gushchin To: Andrew Morton CC: Dennis Zhou , Johannes Weiner , Michal Hocko , Shakeel Butt , , , Subject: Re: [Potential Spoof] [PATCH v2 0/5] mm: memcg accounting of percpu memory Message-ID: <20200617204705.GA24694@carbon.DHCP.thefacebook.com> References: <20200608230819.832349-1-guro@fb.com> <20200616211728.GA7652@carbon.lan> <20200617133949.148aff08300e24a084f9bb18@linux-foundation.org> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200617133949.148aff08300e24a084f9bb18@linux-foundation.org> X-ClientProxiedBy: BY5PR20CA0006.namprd20.prod.outlook.com (2603:10b6:a03:1f4::19) 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::5:9687) by BY5PR20CA0006.namprd20.prod.outlook.com (2603:10b6:a03:1f4::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.21 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-MS-Exchange-CrossTenant-Network-Message-Id: d2829c92-7015-4346-5123-08d812ff9d18 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2020 20:47:13.6690 (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: PLIhM3Qy3Ya30uQOAyUml8AiRhxTUsB7GMI3JEFqqAIkDNCXSGkv+J8H+71SksQg X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2872 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-17_11:2020-06-17,2020-06-17 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxlogscore=999 bulkscore=0 adultscore=0 malwarescore=0 suspectscore=1 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 cotscore=-2147483648 phishscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006170155 X-FB-Internal: deliver X-Rspamd-Queue-Id: ED0841804E3A1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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 Wed, Jun 17, 2020 at 01:39:49PM -0700, Andrew Morton wrote: > On Tue, 16 Jun 2020 14:19:01 -0700 Roman Gushchin wrote: > > > > > > > This version is based on top of v6 of the new slab controller > > > patchset. The following patches are actually required by this series: > > > mm: memcg: factor out memcg- and lruvec-level changes out of __mod_lruvec_state() > > > mm: memcg: prepare for byte-sized vmstat items > > > mm: memcg: convert vmstat slab counters to bytes > > > mm: slub: implement SLUB version of obj_to_index() > > > mm: memcontrol: decouple reference counting from page accounting > > > mm: memcg/slab: obj_cgroup API > > > > Hello, Andrew! > > > > How this patchset should be routed: through the mm or percpu tree? > > > > It has been acked by Dennis (the percpu maintainer), but it does depend > > on first several patches from the slab controller rework patchset. > > I can grab both. Perfect, thanks! > > > The slab controller rework is ready to be merged: as in v6 most patches > > in the series were acked by Johannes and/or Vlastimil and no questions > > or concerns were raised after v6. > > > > Please, let me know if you want me to resend both patchsets. > > There was quite a bit of valuable discussion in response to [0/n] which > really should have been in the changelog[s] from day one. > slab-vs-slub, performance testing, etc. > > So, umm, I'll take a look at both series now but I do think an enhanced > [0/n] description is warranted? > Yes, I'm running suggested tests right now, and will update on the results. Thanks!