diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 304a5442cb1f..4539fc167c5e 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -2189,6 +2189,9 @@ static int __init userfaultfd_init(void)
 {
 	int ret;
 
+	if (__PAGE_SIZE != PAGE_SIZE)
+		return 0;
+
 	ret = misc_register(&userfaultfd_misc);
 	if (ret)
 		return ret;