diff -r 27a266d5fb13 -r fce1fa1bdc91 src/hotspot/share/gc/g1/heapRegionSet.hpp
--- a/src/hotspot/share/gc/g1/heapRegionSet.hpp	Wed Nov 13 13:43:06 2019 -0500
+++ b/src/hotspot/share/gc/g1/heapRegionSet.hpp	Wed Nov 13 10:49:12 2019 -0800
@@ -181,6 +181,10 @@
   // Removes from head or tail based on the given argument.
   HeapRegion* remove_region(bool from_head);
 
+  HeapRegion* remove_region_with_node_index(bool from_head,
+                                            const uint requested_node_index,
+                                            uint* region_node_index);
+
   // Merge two ordered lists. The result is also ordered. The order is
   // determined by hrm_index.
   void add_ordered(FreeRegionList* from_list);