--- zzzz-none-000/linux-4.9.218/kernel/sched/core.c	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ax-750/linux-4.9.218/kernel/sched/core.c	2023-03-29 10:59:08.000000000 +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.