diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index 4c84678..95487c7 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -55,7 +55,7 @@
 		return 0;
 
 inject:
-	printk(KERN_INFO "Injecting memory failure at pfn %lx\n", pfn);
+	pr_info("Injecting memory failure at pfn %#lx\n", pfn);
 	return memory_failure(pfn, 18, MF_COUNT_INCREASED);
 }