hotspot/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp

rev 6911 : 8065305: Make it possible to extend the G1CollectorPolicy
Summary: Added a G1CollectorPolicyExt where it is possible to extend the class.
Reviewed-by: sjohanss, tschatzl

@@ -24,10 +24,11 @@
 
 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTORPOLICY_HPP
 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1COLLECTORPOLICY_HPP
 
 #include "gc_implementation/g1/collectionSetChooser.hpp"
+#include "gc_implementation/g1/g1Allocator.hpp"
 #include "gc_implementation/g1/g1MMUTracker.hpp"
 #include "memory/collectorPolicy.hpp"
 
 // A G1CollectorPolicy makes policy decisions that determine the
 // characteristics of the collector.  Examples include:

@@ -801,11 +802,11 @@
   // the initial-mark work and start a marking cycle.
   void decide_on_conc_mark_initiation();
 
   // If an expansion would be appropriate, because recent GC overhead had
   // exceeded the desired limit, return an amount to expand by.
-  size_t expansion_amount();
+  virtual size_t expansion_amount();
 
   // Print tracing information.
   void print_tracing_info() const;
 
   // Print stats on young survival ratio

@@ -820,21 +821,13 @@
     // do that for any other surv rate groups
   }
 
   size_t young_list_target_length() const { return _young_list_target_length; }
 
-  bool is_young_list_full() {
-    uint young_list_length = _g1->young_list()->length();
-    uint young_list_target_length = _young_list_target_length;
-    return young_list_length >= young_list_target_length;
-  }
+  bool is_young_list_full();
 
-  bool can_expand_young_list() {
-    uint young_list_length = _g1->young_list()->length();
-    uint young_list_max_length = _young_list_max_length;
-    return young_list_length < young_list_max_length;
-  }
+  bool can_expand_young_list();
 
   uint young_list_max_length() {
     return _young_list_max_length;
   }