13 struct ring_buffer {  struct
60 extern void rb_free(struct ring_buffer *rb);  argument
64 	struct ring_buffer *rb;  in rb_free_rcu()
66 	rb = container_of(rcu_head, struct ring_buffer, rcu_head);  in rb_free_rcu()
70 static inline void rb_toggle_paused(struct ring_buffer *rb, bool pause)  in rb_toggle_paused()
78 extern struct ring_buffer *
81 extern int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event,
83 extern void rb_free_aux(struct ring_buffer *rb);
84 extern struct ring_buffer *ring_buffer_get(struct perf_event *event);
85 extern void ring_buffer_put(struct ring_buffer *rb);
87 static inline bool rb_has_aux(struct ring_buffer *rb)  in rb_has_aux()
96 perf_mmap_to_page(struct ring_buffer *rb, unsigned long pgoff);
105 static inline int page_order(struct ring_buffer *rb)  in page_order()
112 static inline int page_order(struct ring_buffer *rb)  in page_order()
118 static inline unsigned long perf_data_size(struct ring_buffer *rb)  in perf_data_size()
123 static inline unsigned long perf_aux_size(struct ring_buffer *rb)  in perf_aux_size()
143 			struct ring_buffer *rb = handle->rb;		\