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Fri, 2 Oct 2020 17:52:41 +0000 Date: Fri, 2 Oct 2020 10:52:36 -0700 From: Roman Gushchin To: Bastian Bittorf CC: , Vlastimil Babka , Andrew Morton , Linus Torvalds Subject: Re: Linux 5.9-rc7 / VmallocTotal wrongly reported | Patch OK Message-ID: <20201002175236.GA2954069@carbon.dhcp.thefacebook.com> References: <20201001065104.apevlkqrs6nid3r5@hp-nas.internet> <20201001195610.GC2706729@carbon.DHCP.thefacebook.com> <20201001203931.GD2706729@carbon.DHCP.thefacebook.com> <20201002070114.do3xmia7sbsnrx6h@hp-nas.internet> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201002070114.do3xmia7sbsnrx6h@hp-nas.internet> X-Originating-IP: [2620:10d:c090:400::5:a91a] X-ClientProxiedBy: MWHPR19CA0001.namprd19.prod.outlook.com (2603:10b6:300:d4::11) To SN6PR1501MB4141.namprd15.prod.outlook.com (2603:10b6:805:e3::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from carbon.dhcp.thefacebook.com (2620:10d:c090:400::5:a91a) by MWHPR19CA0001.namprd19.prod.outlook.com (2603:10b6:300:d4::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-MS-Exchange-CrossTenant-Network-Message-Id: cf51ff91-4b35-4cbd-7602-08d866fbf521 X-MS-Exchange-CrossTenant-AuthSource: SN6PR1501MB4141.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Oct 2020 17:52:41.0289 (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: J89hU9/m0fRtrdWfTe3Pz5Zh/CdloIcH7NKTKzK82i8mDoGr7JHUM9mqTmR7uDpG X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR15MB3774 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-10-02_11:2020-10-02,2020-10-02 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 clxscore=1015 phishscore=0 mlxlogscore=999 spamscore=0 suspectscore=1 impostorscore=0 mlxscore=0 malwarescore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2010020131 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 02, 2020 at 09:01:14AM +0200, Bastian Bittorf wrote: > On Thu, Oct 01, 2020 at 01:39:31PM -0700, Roman Gushchin wrote: > > > # Processor type and features > > > # > > > # CONFIG_ZONE_DMA is not set > > > # CONFIG_SMP is not set > > > > Yes, here is the deal. > > > > The SMP-version of __mod_node_page_state() converts a passed value from bytes > > to pages, but the non-SMP doesn't. > > > > Thanks! > > > > -- > > > > From 3d0233b37340c78012b991d3570b92f91cf5ebd2 Mon Sep 17 00:00:00 2001 > > From: Roman Gushchin > > Date: Thu, 1 Oct 2020 13:07:49 -0700 > > Subject: [PATCH] mm: memcg/slab: fix slab statistics in !SMP configuration > > > I manually applied your patch and > this fixes to issue on my side too: Thank you for testing! And sorry for the hassle. Roman