On Wed, 06 Mar 2024 23:45:57 +0100 Tobias Waldekranz <tobias@xxxxxxxxxxxxxx> wrote: > > How big is this info? > > The common struct (switchdev_notifier_info) is 24B at the > moment. Depending on __entry->val, the size of the enclosing > notification (e.g. switchdev_notifier_port_obj_info) is between > 40-64B. This pattern may then repeat again inside the concrete notifier, > where you have a pointer to a common object (e.g. switchdev_obj, 48B) > whose outer size (e.g. switchdev_obj_port_vlan, 56B) is determined by an > accompanying enum. As long as it's under 1K, you should be good. -- Steve