+
+#ifdef CONFIG_CPA_DEBUG
+ printk("Testing CPA: undo %lx-%lx\n", start, start + size);
+ change_page_attr(virt_to_page(start), size >> PAGE_SHIFT,
+ PAGE_KERNEL);
+ global_flush_tlb();
+
+ printk("Testing CPA: write protecting again\n");
+ change_page_attr(virt_to_page(start), size >> PAGE_SHIFT,
+ PAGE_KERNEL_RO);
+ global_flush_tlb();
+#endif