13 struct perf_buffer {  struct
63 extern void rb_free(struct perf_buffer *rb);  argument
67 	struct perf_buffer *rb;  in rb_free_rcu()
69 	rb = container_of(rcu_head, struct perf_buffer, rcu_head);  in rb_free_rcu()
73 static inline void rb_toggle_paused(struct perf_buffer *rb, bool pause)  in rb_toggle_paused()
81 extern struct perf_buffer *
84 extern int rb_alloc_aux(struct perf_buffer *rb, struct perf_event *event,
86 extern void rb_free_aux(struct perf_buffer *rb);
87 extern struct perf_buffer *ring_buffer_get(struct perf_event *event);
88 extern void ring_buffer_put(struct perf_buffer *rb);
90 static inline bool rb_has_aux(struct perf_buffer *rb)  in rb_has_aux()
99 perf_mmap_to_page(struct perf_buffer *rb, unsigned long pgoff);
108 static inline int page_order(struct perf_buffer *rb)  in page_order()
115 static inline int page_order(struct perf_buffer *rb)  in page_order()
121 static inline int data_page_nr(struct perf_buffer *rb)  in data_page_nr()
126 static inline unsigned long perf_data_size(struct perf_buffer *rb)  in perf_data_size()
131 static inline unsigned long perf_aux_size(struct perf_buffer *rb)  in perf_aux_size()
151 			struct perf_buffer *rb = handle->rb;	\