--- a/userif.c	2016-12-22 14:29:43.237218623 +0100
+++ b/userif.c	2016-12-22 14:31:03.258834075 +0100
@@ -113,7 +113,9 @@
    int retval;
 
    down_read(&current->mm->mmap_sem);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)
+   retval = get_user_pages(addr, 1, 0, &page, NULL);
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)
    retval = get_user_pages(addr, 1, 1, 0, &page, NULL);
 #else
    retval = get_user_pages(current, current->mm, addr,