60 extern void rb_free(struct ring_buffer *rb);
64 	struct ring_buffer *rb;  in rb_free_rcu()  local
66 	rb = container_of(rcu_head, struct ring_buffer, rcu_head);  in rb_free_rcu()
67 	rb_free(rb);  in rb_free_rcu()
70 static inline void rb_toggle_paused(struct ring_buffer *rb, bool pause)  in rb_toggle_paused()  argument
72 	if (!pause && rb->nr_pages)  in rb_toggle_paused()
73 		rb->paused = 0;  in rb_toggle_paused()
75 		rb->paused = 1;  in rb_toggle_paused()
81 extern int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event,
83 extern void rb_free_aux(struct ring_buffer *rb);
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()  argument
89 	return !!rb->aux_nr_pages;  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()  argument
107 	return rb->page_order;  in page_order()
112 static inline int page_order(struct ring_buffer *rb)  in page_order()  argument
118 static inline unsigned long perf_data_size(struct ring_buffer *rb)  in perf_data_size()  argument
120 	return rb->nr_pages << (PAGE_SHIFT + page_order(rb));  in perf_data_size()
123 static inline unsigned long perf_aux_size(struct ring_buffer *rb)  in perf_aux_size()  argument
125 	return rb->aux_nr_pages << PAGE_SHIFT;  in perf_aux_size()
143 			struct ring_buffer *rb = handle->rb;		\
146 			handle->page &= rb->nr_pages - 1;		\
147 			handle->addr = rb->data_pages[handle->page];	\
148 			handle->size = PAGE_SIZE << page_order(rb);	\