11 struct ring_buffer {  struct
58 extern void rb_free(struct ring_buffer *rb);  argument
62 	struct ring_buffer *rb;  in rb_free_rcu()
64 	rb = container_of(rcu_head, struct ring_buffer, rcu_head);  in rb_free_rcu()
68 extern struct ring_buffer *
71 extern int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event,
73 extern void rb_free_aux(struct ring_buffer *rb);
74 extern struct ring_buffer *ring_buffer_get(struct perf_event *event);
75 extern void ring_buffer_put(struct ring_buffer *rb);
77 static inline bool rb_has_aux(struct ring_buffer *rb)  in rb_has_aux()
86 perf_mmap_to_page(struct ring_buffer *rb, unsigned long pgoff);
95 static inline int page_order(struct ring_buffer *rb)  in page_order()
102 static inline int page_order(struct ring_buffer *rb)  in page_order()
108 static inline unsigned long perf_data_size(struct ring_buffer *rb)  in perf_data_size()
113 static inline unsigned long perf_aux_size(struct ring_buffer *rb)  in perf_aux_size()
135 			struct ring_buffer *rb = handle->rb;		\