diff -r 714474295e0a -r b537e6386306 src/hotspot/share/memory/metaspace/settings.hpp
--- a/src/hotspot/share/memory/metaspace/settings.hpp	Tue Nov 19 20:01:05 2019 +0100
+++ b/src/hotspot/share/memory/metaspace/settings.hpp	Fri Nov 01 10:28:15 2019 +0100
@@ -88,6 +88,9 @@
   // whose lower 32bits are zero.
   static const bool _do_not_return_32bit_aligned_addresses = true;
 
+  // Use Lom
+  static bool _use_lom;
+
 public:
 
   static size_t commit_granule_bytes()                        { return _commit_granule_bytes; }
@@ -105,6 +108,8 @@
   static size_t uncommit_on_purge_min_word_size()             { return _uncommit_on_purge_min_word_size; }
   static bool do_not_return_32bit_aligned_addresses()         { return _do_not_return_32bit_aligned_addresses; }
 
+  static bool use_lom()                                       { return _use_lom; }
+
   static void ergo_initialize();
 
   static void print_on(outputStream* st);