175 		if (rb->nr_pages)  in __perf_output_begin()
235 	handle->page = (offset >> page_shift) & (rb->nr_pages - 1);  in __perf_output_begin()
330 	if (!rb->nr_pages)  in ring_buffer_init()
668 		 pgoff_t pgoff, int nr_pages, long watermark, int flags)  in rb_alloc_aux()  argument
681 	max_order = ilog2(nr_pages);  in rb_alloc_aux()
694 	rb->aux_pages = kcalloc_node(nr_pages, sizeof(void *), GFP_KERNEL,  in rb_alloc_aux()
700 	for (rb->aux_nr_pages = 0; rb->aux_nr_pages < nr_pages;) {  in rb_alloc_aux()
704 		order = min(max_order, ilog2(nr_pages - rb->aux_nr_pages));  in rb_alloc_aux()
728 	rb->aux_priv = event->pmu->setup_aux(event, rb->aux_pages, nr_pages,  in rb_alloc_aux()
747 		rb->aux_watermark = nr_pages << (PAGE_SHIFT - 1);  in rb_alloc_aux()
773 	if (pgoff > rb->nr_pages)  in __perf_mmap_to_page()
803 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)  in rb_alloc()  argument
810 	size += nr_pages * sizeof(void *);  in rb_alloc()
823 	for (i = 0; i < nr_pages; i++) {  in rb_alloc()
829 	rb->nr_pages = nr_pages;  in rb_alloc()
853 	for (i = 0; i < rb->nr_pages; i++)  in rb_free()
861 	return rb->nr_pages << page_order(rb);  in data_page_nr()
904 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)  in rb_alloc()  argument
919 	all_buf = vmalloc_user((nr_pages + 1) * PAGE_SIZE);  in rb_alloc()
925 	if (nr_pages) {  in rb_alloc()
926 		rb->nr_pages = 1;  in rb_alloc()
927 		rb->page_order = ilog2(nr_pages);  in rb_alloc()