139 		      unsigned long data_size, unsigned int size,  in ring_buffer_has_space()  argument
143 		return CIRC_SPACE(head, tail, data_size) >= size;  in ring_buffer_has_space()
145 		return CIRC_SPACE(tail, head, data_size) >= size;  in ring_buffer_has_space()
150 		    struct perf_event *event, unsigned int size,  in __perf_output_begin()  argument
184 		size += sizeof(lost_event);  in __perf_output_begin()
186 			size += event->id_header_size;  in __perf_output_begin()
197 							    size, backward)))  in __perf_output_begin()
214 			head += size;  in __perf_output_begin()
216 			head -= size;  in __perf_output_begin()
237 	handle->size = (1UL << page_shift) - offset;  in __perf_output_begin()
242 		lost_event.header.size = sizeof(lost_event);  in __perf_output_begin()
266 			     struct perf_event *event, unsigned int size)  in perf_output_begin_forward()  argument
268 	return __perf_output_begin(handle, event, size, false);  in perf_output_begin_forward()
272 			       struct perf_event *event, unsigned int size)  in perf_output_begin_backward()  argument
274 	return __perf_output_begin(handle, event, size, true);  in perf_output_begin_backward()
278 		      struct perf_event *event, unsigned int size)  in perf_output_begin()  argument
281 	return __perf_output_begin(handle, event, size,  in perf_output_begin()
411 	handle->size = 0;  in perf_aux_output_begin()
423 			handle->size = CIRC_SPACE(aux_head, aux_tail, perf_aux_size(rb));  in perf_aux_output_begin()
430 		if (!handle->size) { /* A, matches D */  in perf_aux_output_begin()
475 void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size)  in perf_aux_output_end()  argument
491 		rb->aux_head += size;  in perf_aux_output_end()
506 	if (size || (handle->aux_flags & ~(u64)PERF_AUX_FLAG_OVERWRITE))  in perf_aux_output_end()
507 		perf_event_aux_event(handle->event, aux_head, size,  in perf_aux_output_end()
533 int perf_aux_output_skip(struct perf_output_handle *handle, unsigned long size)  in perf_aux_output_skip()  argument
537 	if (size > handle->size)  in perf_aux_output_skip()
540 	rb->aux_head += size;  in perf_aux_output_skip()
549 	handle->size -= size;  in perf_aux_output_skip()
760 	unsigned long size;  in rb_alloc()  local
763 	size = sizeof(struct ring_buffer);  in rb_alloc()
764 	size += nr_pages * sizeof(void *);  in rb_alloc()
766 	if (order_base_2(size) >= PAGE_SHIFT+MAX_ORDER)  in rb_alloc()
769 	rb = kzalloc(size, GFP_KERNEL);  in rb_alloc()
869 	unsigned long size;  in rb_alloc()  local
872 	size = sizeof(struct ring_buffer);  in rb_alloc()
873 	size += sizeof(void *);  in rb_alloc()
875 	rb = kzalloc(size, GFP_KERNEL);  in rb_alloc()