diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index c9d653f51e45..7ecaa1900137 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -110,4 +110,5 @@ static int __init pfn_inject_init(void)
 
 module_init(pfn_inject_init);
 module_exit(pfn_inject_exit);
+MODULE_DESCRIPTION("HWPoison pages injector");
 MODULE_LICENSE("GPL");