1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index 4d117a981431..b701ebc32570 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -36,6 +36,8 @@ struct ring_buffer {
         struct user_struct              *mmap_user;
 
         /* AUX area */
+        local_t                         aux_head;
+        local_t                         aux_nest;
         unsigned long                   aux_pgoff;
         int                             aux_nr_pages;
         atomic_t                        aux_mmap_count;
@@ -56,6 +58,8 @@ extern void perf_event_wakeup(struct perf_event *event);
 extern int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event,
                         pgoff_t pgoff, int nr_pages, int flags);
 extern void rb_free_aux(struct ring_buffer *rb);
+extern struct ring_buffer *ring_buffer_get(struct perf_event *event);
+extern void ring_buffer_put(struct ring_buffer *rb);
 
 static inline bool rb_has_aux(struct ring_buffer *rb)
 {