diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
index 8aaab14ad75..705dcd7895b 100644
--- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp
@@ -1004,7 +1004,7 @@ bool G1CollectedHeap::expand(size_t expand_bytes, WorkerThreads* pretouch_worker
   log_debug(gc, ergo, heap)("Expand the heap. requested expansion amount: %zuB expansion amount: %zuB",
                             expand_bytes, aligned_expand_bytes);
 
-  if (is_maximal_no_gc()) {
+  if (num_inactive_regions() == 0) {
     log_debug(gc, ergo, heap)("Did not expand the heap (heap already fully expanded)");
     return false;
   }
@@ -1031,7 +1031,7 @@ bool G1CollectedHeap::expand_single_region(uint node_index) {
   uint expanded_by = _hrm.expand_on_preferred_node(node_index);
 
   if (expanded_by == 0) {
-    assert(is_maximal_no_gc(), "Should be no regions left, available: %u", _hrm.num_inactive_regions());
+    assert(num_inactive_regions() == 0, "Should be no regions left, available: %u", num_inactive_regions());
     log_debug(gc, ergo, heap)("Did not expand the heap (heap already fully expanded)");
     return false;
   }
diff --git a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
index 965d01c7089..fbd1fe6165f 100644
--- a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp
@@ -966,16 +966,15 @@ public:
   // end fields defining the extent of the contiguous allocation region.)
   // But G1CollectedHeap doesn't yet support this.
 
-  bool is_maximal_no_gc() const {
-    return _hrm.num_inactive_regions() == 0;
-  }
-
   // Returns true if an incremental GC should be upgrade to a full gc. This
   // is done when there are no free regions and the heap can't be expanded.
   bool should_upgrade_to_full_gc() const {
-    return is_maximal_no_gc() && num_free_regions() == 0;
+    return num_inactive_regions() == 0 && num_free_regions() == 0;
   }
 
+  // The number of inactive regions.
+  uint num_inactive_regions() const { return _hrm.num_inactive_regions(); }
+
   // The current number of regions in the heap.
   uint num_committed_regions() const { return _hrm.num_committed_regions(); }