8011661: Insufficient memory message says "malloc" when sometimes it should say "mmap"

Reviewed-by: coleenp, zgu, hseigel

hotspot/src/share/vm/runtime/synchronizer.cpp

@@ -1018,7 +1018,8 @@ ObjectMonitor * ATTR ObjectSynchronizer::omAlloc (Thread * Self) {
         // We might be able to induce a STW safepoint and scavenge enough
         // objectMonitors to permit progress.
         if (temp == NULL) {
-            vm_exit_out_of_memory (sizeof (ObjectMonitor[_BLOCKSIZE]), "Allocate ObjectMonitors") ;
+            vm_exit_out_of_memory (sizeof (ObjectMonitor[_BLOCKSIZE]), OOM_MALLOC_ERROR,
+                                   "Allocate ObjectMonitors");
         }
 
         // Format the block.