87 	for (i=0; i<info->nr_pages; i++)  in aio_free_ring()
108 	int nr_pages;  in aio_setup_ring()  local
115 	nr_pages = (size + PAGE_SIZE-1) >> PAGE_SHIFT;  in aio_setup_ring()
117 	if (nr_pages < 0)  in aio_setup_ring()
120 	nr_events = (PAGE_SIZE * nr_pages - sizeof(struct aio_ring)) / sizeof(struct io_event);  in aio_setup_ring()
124 	if (nr_pages > AIO_RING_PAGES) {  in aio_setup_ring()
125 		info->ring_pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL);  in aio_setup_ring()
130 	info->mmap_size = nr_pages * PAGE_SIZE;  in aio_setup_ring()
144 	info->nr_pages = get_user_pages(current, ctx->mm,  in aio_setup_ring()
145 					info->mmap_base, nr_pages,   in aio_setup_ring()
149 	if (unlikely(info->nr_pages != nr_pages)) {  in aio_setup_ring()