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-rw-r--r--include/linux/hrtimer.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 508ce20b8f9c..1e6f731381d9 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -20,6 +20,8 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/wait.h>
+#include <linux/percpu.h>
+
struct hrtimer_clock_base;
struct hrtimer_cpu_base;