400 	void *vaddr;  in persistent_ram_vmap()  local
421 	vaddr = vmap(pages, page_count, VM_MAP, prot);  in persistent_ram_vmap()
429 	return vaddr + offset_in_page(start);  in persistent_ram_vmap()
463 		prz->vaddr = persistent_ram_vmap(start, size, memtype);  in persistent_ram_buffer_map()
465 		prz->vaddr = persistent_ram_iomap(start, size, memtype);  in persistent_ram_buffer_map()
467 	if (!prz->vaddr) {  in persistent_ram_buffer_map()
473 	prz->buffer = prz->vaddr;  in persistent_ram_buffer_map()
523 	if (prz->vaddr) {  in persistent_ram_free()
526 			vunmap(prz->vaddr - offset_in_page(prz->paddr));  in persistent_ram_free()
528 			iounmap(prz->vaddr);  in persistent_ram_free()
531 		prz->vaddr = NULL;  in persistent_ram_free()