--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os_cpu/linux_s390/globals_linux_s390.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+// Sorted according to linux_x86.
+
+#ifndef OS_CPU_LINUX_S390_VM_GLOBALS_LINUX_S390_HPP
+#define OS_CPU_LINUX_S390_VM_GLOBALS_LINUX_S390_HPP
+
+// Sets the default values for platform dependent flags used by the
+// runtime system (see globals.hpp).
+
+define_pd_global(bool, DontYieldALot,            false);
+define_pd_global(intx, ThreadStackSize,          1024); // 0 => Use system default.
+define_pd_global(intx, VMThreadStackSize,        1024);
+// Some jck tests in lang/fp/fpl038 run out of compile thread stack.
+// Observed in pure dbg build, running with -Xcomp -Xbatch on z990.
+// We also increase the stack size for opt builds to be on the safe side.
+#ifdef ASSERT
+define_pd_global(intx, CompilerThreadStackSize,   4096);
+#else
+define_pd_global(intx, CompilerThreadStackSize,   2048);
+#endif
+
+// Allow extra space in DEBUG builds for asserts.
+define_pd_global(size_t, JVMInvokeMethodSlack,    8192);
+
+// Only used on 64 bit platforms.
+define_pd_global(size_t, HeapBaseMinAddress,      2*G);
+
+#endif // OS_CPU_LINUX_S390_VM_GLOBALS_LINUX_S390_HPP
+
+