diff options
Diffstat (limited to 'kernel/events/internal.h')
| -rw-r--r-- | kernel/events/internal.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 4d117a9..b701ebc 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) { |