diff -r a5e7fde5ba80 -r 830105382dbd src/share/vm/jfr/dcmd/jfrDcmds.hpp
--- a/src/share/vm/jfr/dcmd/jfrDcmds.hpp	Mon Oct 01 16:41:10 2018 +0200
+++ b/src/share/vm/jfr/dcmd/jfrDcmds.hpp	Fri Nov 23 16:36:07 2018 +0900
@@ -145,10 +145,10 @@
   DCmdArgument<char*> _dump_path;
   DCmdArgument<jlong> _stack_depth;
   DCmdArgument<jlong> _global_buffer_count;
-  DCmdArgument<jlong> _global_buffer_size;
-  DCmdArgument<jlong> _thread_buffer_size;
-  DCmdArgument<jlong> _memory_size;
-  DCmdArgument<jlong> _max_chunk_size;
+  DCmdArgument<MemorySizeArgument> _global_buffer_size;
+  DCmdArgument<MemorySizeArgument> _thread_buffer_size;
+  DCmdArgument<MemorySizeArgument> _memory_size;
+  DCmdArgument<MemorySizeArgument> _max_chunk_size;
   DCmdArgument<bool>  _sample_threads;
 
  public: