--- zzzz-none-000/linux-4.9.276/kernel/sched/core.c 2021-07-20 14:21:16.000000000 +0000 +++ falcon-5530-750/linux-4.9.276/kernel/sched/core.c 2023-04-05 08:19:02.000000000 +0000 @@ -2171,6 +2171,7 @@ { return try_to_wake_up(p, state, 0); } +EXPORT_SYMBOL_GPL(wake_up_state); /* * This function clears the sched_dl_entity static params.