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()
151 		    struct perf_event *event, unsigned int size,  in __perf_output_begin()  argument
187 		size += sizeof(lost_event);  in __perf_output_begin()
189 			size += event->id_header_size;  in __perf_output_begin()
200 							    size, backward)))  in __perf_output_begin()
217 			head += size;  in __perf_output_begin()
219 			head -= size;  in __perf_output_begin()
240 	handle->size = (1UL << page_shift) - offset;  in __perf_output_begin()
243 		lost_event.header.size = sizeof(lost_event);  in __perf_output_begin()
269 			      struct perf_event *event, unsigned int size)  in perf_output_begin_forward()  argument
271 	return __perf_output_begin(handle, data, event, size, false);  in perf_output_begin_forward()
276 			       struct perf_event *event, unsigned int size)  in perf_output_begin_backward()  argument
278 	return __perf_output_begin(handle, data, event, size, true);  in perf_output_begin_backward()
283 		      struct perf_event *event, unsigned int size)  in perf_output_begin()  argument
286 	return __perf_output_begin(handle, data, event, size,  in perf_output_begin()
416 	handle->size = 0;  in perf_aux_output_begin()
428 			handle->size = CIRC_SPACE(aux_head, aux_tail, perf_aux_size(rb));  in perf_aux_output_begin()
435 		if (!handle->size) { /* A, matches D */  in perf_aux_output_begin()
480 void perf_aux_output_end(struct perf_output_handle *handle, unsigned long size)  in perf_aux_output_end()  argument
496 		rb->aux_head += size;  in perf_aux_output_end()
511 	if (size || (handle->aux_flags & ~(u64)PERF_AUX_FLAG_OVERWRITE))  in perf_aux_output_end()
512 		perf_event_aux_event(handle->event, aux_head, size,  in perf_aux_output_end()
538 int perf_aux_output_skip(struct perf_output_handle *handle, unsigned long size)  in perf_aux_output_skip()  argument
542 	if (size > handle->size)  in perf_aux_output_skip()
545 	rb->aux_head += size;  in perf_aux_output_skip()
554 	handle->size -= size;  in perf_aux_output_skip()
817 	unsigned long size;  in rb_alloc()  local
820 	size = sizeof(struct perf_buffer);  in rb_alloc()
821 	size += nr_pages * sizeof(void *);  in rb_alloc()
823 	if (order_base_2(size) >= PAGE_SHIFT+MAX_ORDER)  in rb_alloc()
827 	rb = kzalloc_node(size, GFP_KERNEL, node);  in rb_alloc()
914 	unsigned long size;  in rb_alloc()  local
918 	size = sizeof(struct perf_buffer);  in rb_alloc()
919 	size += sizeof(void *);  in rb_alloc()
922 	rb = kzalloc_node(size, GFP_KERNEL, node);  in rb_alloc()