rcu: add support for dynamic ticks and preempt rcu

[h-e-n] / include / linux / rcuclassic.h

diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 4d66242..b3dccd6 100644 (file)
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -160,5 +160,8 @@ extern void rcu_restart_cpu(int cpu);
 extern long rcu_batches_completed(void);
 extern long rcu_batches_completed_bh(void);
 
+#define rcu_enter_nohz()       do { } while (0)
+#define rcu_exit_nohz()                do { } while (0)
+
 #endif /* __KERNEL__ */
 #endif /* __LINUX_RCUCLASSIC_H */