unregister_event
goto unregister_event;
unregister_event:
event_info = devres_alloc(unregister_event, sizeof(struct zynqmp_pm_event_info),
event->unregister_event(memcg, event->eventfd);
event->unregister_event = mem_cgroup_usage_unregister_event;
event->unregister_event = mem_cgroup_oom_unregister_event;
event->unregister_event = vmpressure_unregister_event;
event->unregister_event = memsw_cgroup_usage_unregister_event;
void (*unregister_event)(struct mem_cgroup *memcg,