vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 
-       pr_debug("mapping doorbell page:\n");
-       pr_debug("     target user address == 0x%08llX\n",
-                       (unsigned long long) vma->vm_start);
-       pr_debug("     physical address    == 0x%08llX\n", address);
-       pr_debug("     vm_flags            == 0x%04lX\n", vma->vm_flags);
-       pr_debug("     size                == 0x%04lX\n",
-                        doorbell_process_allocation());
+       pr_debug("kfd: mapping doorbell page in %s\n"
+                "     target user address == 0x%08llX\n"
+                "     physical address    == 0x%08llX\n"
+                "     vm_flags            == 0x%04lX\n"
+                "     size                == 0x%04lX\n",
+                __func__,
+                (unsigned long long) vma->vm_start, address, vma->vm_flags,
+                doorbell_process_allocation());
+
 
        return io_remap_pfn_range(vma,
                                vma->vm_start,