diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5445eae..3de7901 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1406,6 +1406,7 @@
 extern unsigned int sysctl_sched_batch_wakeup_granularity;
 extern unsigned int sysctl_sched_stat_granularity;
 extern unsigned int sysctl_sched_runtime_limit;
+extern unsigned int sysctl_sched_compat_yield;
 extern unsigned int sysctl_sched_child_runs_first;
 extern unsigned int sysctl_sched_features;