[LITMUS^RT] [PATCH 2/2] Include a missing header file.

[Christopher Kenna]

---
 include/litmus/trace_irq.h |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/litmus/trace_irq.h b/include/litmus/trace_irq.h
index f18b127..b717b1d 100644
--- a/include/litmus/trace_irq.h
+++ b/include/litmus/trace_irq.h
@@ -3,6 +3,8 @@
 
 #ifdef CONFIG_SCHED_OVERHEAD_TRACE
 
+#include <linux/percpu.h>
+
 extern DEFINE_PER_CPU(atomic_t, irq_fired_count);
 
 static inline void ft_irq_fired(void)
-- 
1.7.9.5