src/share/vm/memory/defNewGeneration.cpp

*** 548,557 ****
--- 548,562 ----
                                                  bool   parallel) {
    // We don't attempt to expand the young generation (but perhaps we should.)
    return allocate(size, is_tlab);
  }
  
+ void DefNewGeneration::adjust_desired_tenuring_threshold() {
+   // Set the desired survivor size to half the real survivor space
+   _tenuring_threshold =
+     age_table()->compute_tenuring_threshold(to()->capacity()/HeapWordSize);
+ }
  
  void DefNewGeneration::collect(bool   full,
                                 bool   clear_all_soft_refs,
                                 size_t size,
                                 bool   is_tlab) {
*** 647,659 ****
      }
      swap_spaces();
  
      assert(to()->is_empty(), "to space should be empty now");
  
!     // Set the desired survivor size to half the real survivor space
!     _tenuring_threshold =
!       age_table()->compute_tenuring_threshold(to()->capacity()/HeapWordSize);
  
      // A successful scavenge should restart the GC time limit count which is
      // for full GC's.
      AdaptiveSizePolicy* size_policy = gch->gen_policy()->size_policy();
      size_policy->reset_gc_overhead_limit_count();
--- 652,662 ----
      }
      swap_spaces();
  
      assert(to()->is_empty(), "to space should be empty now");
  
!     adjust_desired_tenuring_threshold();
  
      // A successful scavenge should restart the GC time limit count which is
      // for full GC's.
      AdaptiveSizePolicy* size_policy = gch->gen_policy()->size_policy();
      size_policy->reset_gc_overhead_limit_count();