Add missing header files

diff --git a/tests/performance/timing_matrix_free_kokkos.cc b/tests/performance/timing_matrix_free_kokkos.cc
index e985c56d22505768601b12262282d20a278c9032..079c9cee126eada461ac34b016b8623b9816f9da 100644 (file)
--- a/tests/performance/timing_matrix_free_kokkos.cc
+++ b/tests/performance/timing_matrix_free_kokkos.cc
@@ -37,6 +37,8 @@
 
 #include <deal.II/matrix_free/fe_evaluation.h>
 #include <deal.II/matrix_free/matrix_free.h>
+#include <deal.II/matrix_free/portable_fe_evaluation.h>
+#include <deal.II/matrix_free/portable_matrix_free.h>
 
 #include <deal.II/numerics/vector_tools.h>