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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , Simon Horman , Kuniyuki Iwashima , netdev@vger.kernel.org Subject: Re: [PATCH v2 net-next 3/5] neighbour: Schedule neigh_managed_work only when needed. 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?fhCRx7rwixkJmPI6tUK+5viOOeQVImQZL016atlBDaqvaH/0ErPdXLjQ+9Fq?= =?us-ascii?Q?PhiuJGorYaJVDOBk73dDbR1gnRI39y2DOwTb7cbHkcc62CuUYnEKyto0STJZ?= =?us-ascii?Q?5IHwOKDFrD8UUsoE97MkAeiK7Oi7Y1hsujut9Ty+TiWyWEaxrpW4j+4WKE3A?= =?us-ascii?Q?Girr2gzJUdxu9xUWTSHiuCX9ltMJ0RFPV6WZM8mkTuLaOIDK0WOj89vweKaR?= =?us-ascii?Q?a2ZaheGprgJXY4qnHozKh9dGPO4JldFpfQxwznYWJ0sMRyKo29xStl+fhA5H?= =?us-ascii?Q?EbMptpCkzN7ij/hSkm8pNzjHNCt1FYCgucBZ3nZYTlVSXZ42xttuwpWn5bal?= =?us-ascii?Q?9LyLOc7f52n+5Lcjwq31b+DLTllFtnIJEH80xnged8aQpfYLGwgMijIzgEYt?= =?us-ascii?Q?6DIC3NIoOk1rc8+Bhz3WVe3AjSRpknrnS4F6svJiew0xTUszqbsbFHaH2npY?= =?us-ascii?Q?SyQqX/w7S3V13Gon6P1gfXD+uzTcOJK16HsL/l1cShjf59PyzhqAi7xXDi8Z?= =?us-ascii?Q?2B3GABiLMhcF0sVN4HiLPbJV9/bg80YTSWo3c+JaKK0Ibs0LaGIAzEB4HfdR?= =?us-ascii?Q?x9Ms2VBC/3p8W4rBra5fdXZZoo1fPuIYjbegHL6uRtYg2v+MhaxKu85C0umu?= =?us-ascii?Q?vVkfliSrc1jAoLH400Ehk5a+gVys+CBHgqJBYvkpcuc45w+h2F07XHOldhPQ?= =?us-ascii?Q?LK+JicnVTGSAlIJtAQoKqfDSA0kk7VjEu4RKCihPPUEuM45hQRC9n39GIDF0?= =?us-ascii?Q?AkM4Vk/RsSMRpsWcDedYkrNhPRo2A4wST4gO9BROFOQdjRxXH9HJ5tdqYuyL?= =?us-ascii?Q?15sh74/LXnRLzTUyksZt/UMmUEJHozW+3iZ61pFZYDRVItXgJS87pC0lxYxG?= =?us-ascii?Q?nZymQiFUpbd9lsWc9DUn5IiSMaL7uLevvry3db/h0E40epWxa85kbAKyVZEc?= =?us-ascii?Q?RKc6jeUKh589M0z0ghHFUgw92z5iA64tw10WUJYol8eLgDiUbqCXD85LrOoc?= =?us-ascii?Q?bDiYH20FjyR6TQtvX7MVt9mSaClnBXfmAg81WUqWYvwCFr+kL2YZpKmx1tJR?= =?us-ascii?Q?jepnob0ZTMrrCmOpC68XQo8guOjKB6U0NnIeksGpfRYyTein0C6nw+5UBWYh?= =?us-ascii?Q?wTioSpNlFpBQAvSeQNulR7x92t20PLrHkIEY+QXrULBcKSiVY9c4Wm37M6Kz?= =?us-ascii?Q?6Iz2LeQRdjJgsbJxIM1svLvjgKlYppHGMypBhrlvZ24MDiHnFW1t2T1W9FPx?= =?us-ascii?Q?SXCN52UOIdtt9R9NyMPz7hOv/oWm/fQ75Uw7j5X93IFvEsa2+0hVD9YNUd4s?= =?us-ascii?Q?lLh3TFHcgUBUVMm4Z49jHN6JqZMpqZzC9bbfJPWQ2ulEOaAiO3/D+NyqzM6A?= =?us-ascii?Q?jihvEkZOgIr5xxIonjBjBkd3Ppxdlh153xyUm2WWzjvnlQxpxHNg8QlpueP7?= =?us-ascii?Q?JYJ8irZv6e3SVFM89Dnj+ixDahy3M24Zx/2Q54WDWApkVWECuP5JjMkhdf64?= =?us-ascii?Q?IKoLS5zEDXu24ccH+n+oRa1yTW8aVXyukoUjPLkSRhhyTnFOWtK90PxxtEAZ?= =?us-ascii?Q?ZC4J+0lkgP3F0RvMgyV+dp8kQ5IOF8MmrItbI1glhCVrlXUF/AoPiykNfff0?= =?us-ascii?Q?m7iZsS/l7PeshhjSRGocqQU+AdB+FlKSfdtEM9X/a2kkWdAdtCyWNZBgMfo8?= =?us-ascii?Q?4CEXraYhg4wWRnxnDp3zj/5BMPCpa7Ov69imFHNN0zjKaws5?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4e215b10-c340-47be-06cc-08df29c0e729 X-MS-Exchange-CrossTenant-AuthSource: PH0PR12MB7957.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2026 07:00:59.9615 (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: jcJV1KEfPI3vKabg24hc51XepIHjShH2VC0VOe0hLRvKsWzvAiQUs/ERZ/Rf+ZGEw8qdMca/Q2tFQiahqtW2qw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7424 On Tue, Oct 13, 2026 at 08:57:30PM +0000, Kuniyuki Iwashima wrote: > neigh_table is now per-netns. > > tbl->managed_work is scheduled when netns is created and runs > periodically even though the netns does not have any NTF_MANAGED > entries. > > Let's delay scheduling the work for the first NTF_MANAGED entry > and stop rescheduling if tbl->managed_list is empty. > > Suggested-by: Ido Schimmel > Link: https://lore.kernel.org/netdev/20260902143023.GA3966681@shredder/ > Signed-off-by: Kuniyuki Iwashima Reviewed-by: Ido Schimmel