src/share/vm/gc/shared/collectorPolicy.cpp

@@ -94,10 +94,13 @@
     }
     _max_heap_size_cmdline = true;
   }
 
   // Check heap parameter properties
+  if (MaxHeapSize < 2 * M) {
+    vm_exit_during_initialization("Too small maximum heap");
+  }
   if (InitialHeapSize < M) {
     vm_exit_during_initialization("Too small initial heap");
   }
   if (_min_heap_byte_size < M) {
     vm_exit_during_initialization("Too small minimum heap");