1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 0e57d8cc5a3d..deb9acf9ad2a 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -615,6 +615,8 @@ extern void perf_counter_munmap(unsigned long addr, unsigned long len,
 
 extern void perf_counter_comm(struct task_struct *tsk);
 
+extern void perf_counter_task_migration(struct task_struct *task, int cpu);
+
 #define MAX_STACK_DEPTH         255
 
 struct perf_callchain_entry {
@@ -668,6 +670,8 @@ perf_counter_munmap(unsigned long addr, unsigned long len,
 
 static inline void perf_counter_comm(struct task_struct *tsk)           { }
 static inline void perf_counter_init(void)                              { }
+static inline void perf_counter_task_migration(struct task_struct *task,
+                                               int cpu)                 { }
 #endif
 
 #endif /* __KERNEL__ */