travis: lazy-pages: exclude futex test for older kernels

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>

scripts/travis/travis-tests

@@ -93,7 +93,7 @@ if [ $KERN_MAJ -ge "4" ] && [ $KERN_MIN -ge "11" ]; then
 else
 	LAZY_EXCLUDE="-x maps007 -x fork -x fork2 -x uffd-events -x cgroupns
 		      -x socket_listen -x socket_listen6 -x cmdlinenv00
-		      -x socket_close_data01 -x file_read -x lazy-thp"
+		      -x socket_close_data01 -x file_read -x lazy-thp -x futex"
 fi
 LAZY_EXCLUDE="$LAZY_EXCLUDE -x maps04"