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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: Re: [PATCH v5] mm: Fix a hmm_range_fault() livelock / starvation problem Message-ID: <20260406140825.GN310919@nvidia.com> References: <20260210115653.92413-1-thomas.hellstrom@linux.intel.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: MN2PR03CA0005.namprd03.prod.outlook.com (2603:10b6:208:23a::10) To LV8PR12MB9620.namprd12.prod.outlook.com (2603:10b6:408:2a1::19) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV8PR12MB9620:EE_|PH7PR12MB6443:EE_ X-MS-Office365-Filtering-Correlation-Id: 1475342c-d895-48ad-07ea-08de93e5f917 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016|56012099003|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 8/GNt2JF1YuBL2Y1/psEBRVIEZUvmXMGOVg/VcO85CneVu0UODOHTgnL0G1i35NRMgqjAG4ZEnSVTYc6NgZRbRMFcfJ8SybwgjJesShnvFf661ZktmidILIQo6cEUasJSYoTrwUHbPIa6kDRE2MPvVIt1UBonJTaHpV0A5KJi9b+0uYeWi+cPpNJj7RbzG1pr2TylLKayiZFGt3ZwJtnZL2x1SWw2qKnIBXRmMP+UmUsPZYJRM7t/CUcpFyvXJUtNnCgfJg17OlPu1EK93EmKD7U/6JnvlGWQcSCRbSipPLfJITYZ6OXrTDgsv1KzLisPRIR2xcJxI8pybJcUpYwUdUUDTvQ5zdIrrh9EXSiKFhNoJ7cBv6sM/ggbdop8XOvW/FVZCtn5m2gT/LbUWNaCnjAH6rr7AwS790HRRRh3nsfTGzdX9GdOm6l1stDNTkjOpslbK2AsMFi1owcW+TcoPs1iBBqCToTA9mjVZ7q7lFLLJ2Spt8OqXerYQPjUvbJel6oT9ClGcAgoGtoKVSIfZe7lVXH0FkEYr2Ym4aDgrkIq7eh/RccfPBGkNxqVfPBCR99iDiwj5L3PVFNqxWbZh9EwLCWqFLIu3JHJXGYimLJn0KZfAQIx7l7d6iy+JNLH/SfSx0SJehxi9gMENtc6JOaVZZcye1d1rMWM3MLWxeNHdHL7Fds+mjr82P4EWvTORwEiVGoEyCM/WXlN+ow5g867T01coqjHbSUkzUolrk= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV8PR12MB9620.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(366016)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?/pRu3OKEvHe8DNs1KGp1W/EwXwKYG24CIY0xy1gEsTbhdnp00B72ALVw04kw?= =?us-ascii?Q?bK46c3pmwbzPtRd5zHCYcpFBPxTVEolbnRJVViPe2udGKFE2/Gu+Gzi8Yq/m?= =?us-ascii?Q?Z0RkFBRYXS4DzSxjeYrqTzPUoviarTIxuzVP8cSkejT3t61Tt1/YZTk7o75K?= =?us-ascii?Q?agd762M9Zl+YHB8+N72LlBq4ch/kdbw1zi61Pd76zKKnunqQNtd7+wGpJTuD?= =?us-ascii?Q?MZoV/cllmv8aNPAE+opeaTFZA3Xu0nph/h1LrxMiRVo3YtSEOU3pqvGttywY?= =?us-ascii?Q?hd/c45X8ssmxm4NJWC7ebZQk0BQtbgrZfZW2I2Ft5OsPTRJn9HZPgDnBJmKs?= =?us-ascii?Q?iCxYZ22zUDn7ikaJUzlv7dJiLRxGnUjeLuohGHP9s6q0YLkMLYRvV/gkFxT7?= =?us-ascii?Q?bC/yGS3UTjL/qCz9p0EjEzxKVBkE6NmT5hYHTYUdZMYzptPRHKDq/lx+6TEh?= =?us-ascii?Q?w7NhE0e76HMZS4Y920ytbGPmtUw42Zcu3lNn7Jze1/gGjaK123RmjJO5jqcA?= =?us-ascii?Q?XMbSJ0p9piQlbcgJhFmSyfXDOhK9J8WCrjD01vHFYBC9y4EmG4pXMixYVSgg?= =?us-ascii?Q?POi1E2HUYo/ZHLq191tTK0eGjGS3HxQchNDaGSd9VypbIDOtrTJkgGhBVzSL?= =?us-ascii?Q?Zs8lgo47hU7PpLeIxF4wDIR3Qtxst7e33p7NwjXdBD7xnLjPhPRMZ7GanB5O?= =?us-ascii?Q?YxXvk/Z34LLS6cHVTh2wz1+uoyQcUoWV1Flf1Ngp2jXbor6BVvqlPRk/3hiS?= =?us-ascii?Q?Od3PyJIoWXX0R1J64TIyuMGhKKoUVdX0/7ODRHDBe+XV1XR3Cf1IANvshtTO?= =?us-ascii?Q?2cc6BCVZTCTI3KMnq3YIgZVbADhG0BjM9DlDTJT/Jxf4i3BEODPmzr7iUJpM?= =?us-ascii?Q?q4aHRZNe0oRozmREvcC/vCzFmk8zWzBMvpJz+W4446GpfENYpi6Wu3zUk4qT?= =?us-ascii?Q?R6oyg/x141+sdL0x6PVa4mq8tijOTY77aknNPb9PDoqed9fK0oNTEKF+D2Mv?= =?us-ascii?Q?69TVSclkF7nHKDxdeu6/N7GXhzOgtXU9lGLSHPpEq32Rxysfa/mNre58xQCO?= =?us-ascii?Q?ZQ1nEAgrUTWKDwhez8Mjnwn/Z1nkACOSQD6/uUnyYIju2dHCiTknIas5DAFm?= =?us-ascii?Q?QVgcTfliSNNBKWbhPu5U+4u+JslPRiYqc/fsSvdXotMwVEeRTysqxzs6TyzU?= =?us-ascii?Q?bvNJgPJYomXuz1/957S6ZmYDH2g62LXZfVfY12wDAGSnJg+fNLiXRvU2cmlu?= =?us-ascii?Q?XPzKKsZXZNKE/agECTp85HkODxsxqkP936cgFMf38Qsp/QTLLHms7yoxAf/Q?= =?us-ascii?Q?yFou9BS5dZMV3bYaLMBEz69wh0H0eqZMBG7FOo3UQUjAOvxBPKx9U0TbQyRW?= =?us-ascii?Q?KlA4xqKzOnQYjL5a08SNWPnT6OAEjlFvWmjG3mMJdDvIiJRKStjqZjeIAcIl?= =?us-ascii?Q?q/LmmL7dGZAhWibnWEXc8KgJ9RksgUe30kycwrv39GqfoT4xyLpLZR2BZn+k?= =?us-ascii?Q?rlnXLL+nsTYu80SEsBE7caGkNFE5rRTubLHm8GuTtC67doH4+IPT2dbqJhfH?= =?us-ascii?Q?QLKOrrx7CI0Sl8NmqHySy2/eJJkW2BWE3FnBXG+uHBOej0hoe2OjfqtPyjTX?= =?us-ascii?Q?3hd+ngVJ7nPMt92g3LsZk3r/akB9DQLpSp4s1tdHCK8BCUpVT2GWxTjdWixc?= =?us-ascii?Q?JLJ2mkYfadsqOviiICL09SyiubGUhpRjqod4Jr65tXRNWLDG?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1475342c-d895-48ad-07ea-08de93e5f917 X-MS-Exchange-CrossTenant-AuthSource: LV8PR12MB9620.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Apr 2026 14:08:27.0926 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: c/K5klymPC8+pTNvxXyUhJHIWLN2eUXpElcEMRU70J6yDpArASyaBDLiYXqJDF+N X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6443 On Mon, Apr 06, 2026 at 01:54:13PM +0100, Lorenzo Stoakes (Oracle) wrote: > Hi guys, > > +cc missing M/R, fsdevel list > > So this was merged upstream, and touches mm/, and even has a mm: > prefix... but was taken through a non-mm tree. Also, how come there is no email on lore reporting someone accepted it? Jason