--- a/src/hotspot/os/linux/os_linux.cpp	Thu Mar 15 15:38:23 2018 +0100
+++ b/src/hotspot/os/linux/os_linux.cpp	Fri Feb 16 09:43:26 2018 +0000
@@ -629,6 +629,10 @@
   }
 }
 
+void os::Linux::expand_stack_to(address bottom) {
+  _expand_stack_to(bottom);
+}
+
 bool os::Linux::manually_expand_stack(JavaThread * t, address addr) {
   assert(t!=NULL, "just checking");
   assert(t->osthread()->expanding_stack(), "expand should be set");