59 extern void rb_free(struct ring_buffer *rb);
63 	struct ring_buffer *rb;  in rb_free_rcu()  local
65 	rb = container_of(rcu_head, struct ring_buffer, rcu_head);  in rb_free_rcu()
66 	rb_free(rb);  in rb_free_rcu()
69 static inline void rb_toggle_paused(struct ring_buffer *rb, bool pause)  in rb_toggle_paused()  argument
71 	if (!pause && rb->nr_pages)  in rb_toggle_paused()
72 		rb->paused = 0;  in rb_toggle_paused()
74 		rb->paused = 1;  in rb_toggle_paused()
80 extern int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event,
82 extern void rb_free_aux(struct ring_buffer *rb);
84 extern void ring_buffer_put(struct ring_buffer *rb);
86 static inline bool rb_has_aux(struct ring_buffer *rb)  in rb_has_aux()  argument
88 	return !!rb->aux_nr_pages;  in rb_has_aux()
95 perf_mmap_to_page(struct ring_buffer *rb, unsigned long pgoff);
104 static inline int page_order(struct ring_buffer *rb)  in page_order()  argument
106 	return rb->page_order;  in page_order()
111 static inline int page_order(struct ring_buffer *rb)  in page_order()  argument
117 static inline unsigned long perf_data_size(struct ring_buffer *rb)  in perf_data_size()  argument
119 	return rb->nr_pages << (PAGE_SHIFT + page_order(rb));  in perf_data_size()
122 static inline unsigned long perf_aux_size(struct ring_buffer *rb)  in perf_aux_size()  argument
124 	return rb->aux_nr_pages << PAGE_SHIFT;  in perf_aux_size()
142 			struct ring_buffer *rb = handle->rb;		\
145 			handle->page &= rb->nr_pages - 1;		\
146 			handle->addr = rb->data_pages[handle->page];	\
147 			handle->size = PAGE_SIZE << page_order(rb);	\