--- a/src/hotspot/share/gc/z/zRelocationSetSelector.cpp	Wed Nov 20 10:37:46 2019 +0100
+++ b/src/hotspot/share/gc/z/zRelocationSetSelector.cpp	Wed Nov 20 10:37:46 2019 +0100
@@ -97,6 +97,11 @@
 }
 
 void ZRelocationSetSelectorGroup::select() {
+  if (_page_size == 0) {
+    // Page type disabled
+    return;
+  }
+
   // Calculate the number of pages to relocate by successively including pages in
   // a candidate relocation set and calculate the maximum space requirement for
   // their live objects.