175 		if (rb->nr_pages) {  in __perf_output_begin()
237 	handle->page = (offset >> page_shift) & (rb->nr_pages - 1);  in __perf_output_begin()
333 	if (!rb->nr_pages)  in ring_buffer_init()
671 		 pgoff_t pgoff, int nr_pages, long watermark, int flags)  in rb_alloc_aux()  argument
686 			watermark = nr_pages << (PAGE_SHIFT - 1);  in rb_alloc_aux()
698 		max_order = ilog2(nr_pages);  in rb_alloc_aux()
706 	if (get_order((unsigned long)nr_pages * sizeof(void *)) > MAX_ORDER)  in rb_alloc_aux()
708 	rb->aux_pages = kcalloc_node(nr_pages, sizeof(void *), GFP_KERNEL,  in rb_alloc_aux()
714 	for (rb->aux_nr_pages = 0; rb->aux_nr_pages < nr_pages;) {  in rb_alloc_aux()
718 		order = min(max_order, ilog2(nr_pages - rb->aux_nr_pages));  in rb_alloc_aux()
742 	rb->aux_priv = event->pmu->setup_aux(event, rb->aux_pages, nr_pages,  in rb_alloc_aux()
784 	if (pgoff > rb->nr_pages)  in __perf_mmap_to_page()
814 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)  in rb_alloc()  argument
821 	size += nr_pages * sizeof(void *);  in rb_alloc()
835 	for (i = 0; i < nr_pages; i++) {  in rb_alloc()
841 	rb->nr_pages = nr_pages;  in rb_alloc()
865 	for (i = 0; i < rb->nr_pages; i++)  in rb_free()
911 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)  in rb_alloc()  argument
928 	all_buf = vmalloc_user((nr_pages + 1) * PAGE_SIZE);  in rb_alloc()
934 	if (nr_pages) {  in rb_alloc()
935 		rb->nr_pages = 1;  in rb_alloc()
936 		rb->page_order = ilog2(nr_pages);  in rb_alloc()