--- a/backport-include/linux/mm.h
+++ b/backport-include/linux/mm.h
@@ -39,8 +39,20 @@ static inline
 long backport_get_user_pages_locked(unsigned long start, unsigned long nr_pages,
 		    int write, int force, struct page **pages, int *locked)
 {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,4,168))
 	return get_user_pages_locked(current, current->mm, start, nr_pages,
 		    write, force, pages, locked);
+#else
+	int flags = 0;
+
+	if (write)
+		flags |= FOLL_WRITE;
+	if (force)
+		flags |= FOLL_FORCE;
+
+	return get_user_pages_locked(current, current->mm, start, nr_pages,
+		    flags, pages, locked);
+#endif
 }
 #define get_user_pages_locked LINUX_BACKPORT(get_user_pages_locked)
 
@@ -48,8 +60,20 @@ static inline
 long backport_get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
 				      int write, int force, struct page **pages)
 {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,4,168))
 	return get_user_pages_unlocked(current, current->mm, start,  nr_pages,
 		    write, force, pages);
+#else
+	int flags = 0;
+
+	if (write)
+		flags |= FOLL_WRITE;
+	if (force)
+		flags |= FOLL_FORCE;
+
+	return get_user_pages_unlocked(current, current->mm, start,  nr_pages,
+		    pages, flags);
+#endif
 }
 #define get_user_pages_unlocked LINUX_BACKPORT(get_user_pages_unlocked)
 #endif
@@ -60,8 +84,20 @@ long backport_get_user_pages(unsigned lo
 			    int write, int force, struct page **pages,
 			    struct vm_area_struct **vmas)
 {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,4,168))
 	return get_user_pages(current, current->mm, start,  nr_pages,
 		    write, force, pages, vmas);
+#else
+	int flags = 0;
+
+	if (write)
+		flags |= FOLL_WRITE;
+	if (force)
+		flags |= FOLL_FORCE;
+
+	return get_user_pages(current, current->mm, start,  nr_pages,
+		    flags, pages, vmas);
+#endif
 }
 #define get_user_pages LINUX_BACKPORT(get_user_pages)
 #endif