1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index f776851f8c4b..a356fa69796c 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -573,6 +573,8 @@ extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs);
 
 extern int sysctl_perf_counter_priv;
 
+extern void perf_counter_init(void);
+
 #else
 static inline void
 perf_counter_task_sched_in(struct task_struct *task, int cpu)           { }
@@ -600,9 +602,10 @@ perf_counter_mmap(unsigned long addr, unsigned long len,
 
 static inline void
 perf_counter_munmap(unsigned long addr, unsigned long len,
-                    unsigned long pgoff, struct file *file)             { }
+                    unsigned long pgoff, struct file *file)             { }
 
 static inline void perf_counter_comm(struct task_struct *tsk)           { }
+static inline void perf_counter_init(void)                              { }
 #endif
 
 #endif /* __KERNEL__ */