src/share/vm/services/memoryPool.hpp

rev 4165 : 8000754: NPG: Implement a MemoryPool MXBean for Metaspace

*** 26,35 ****
--- 26,36 ----
  #define SHARE_VM_SERVICES_MEMORYPOOL_HPP
  
  #include "gc_implementation/shared/mutableSpace.hpp"
  #include "memory/defNewGeneration.hpp"
  #include "memory/heap.hpp"
+ #include "memory/metaspace.hpp"
  #include "memory/space.hpp"
  #include "services/memoryUsage.hpp"
  #include "utilities/macros.hpp"
  #if INCLUDE_ALL_GCS
  #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp"
*** 220,225 ****
--- 221,251 ----
    CodeHeapPool(CodeHeap* codeHeap, const char* name, bool support_usage_threshold);
    MemoryUsage get_memory_usage();
    size_t used_in_bytes()            { return _codeHeap->allocated_capacity(); }
  };
  
+ class MetaspacePoolBase : public MemoryPool {
+ private:
+   Metaspace::MetadataType _md_type;
+ protected:
+   static const size_t _undefined_max_size = (size_t) -1;
+ public:
+   MetaspacePoolBase(const char *name, Metaspace::MetadataType md_type, size_t max_size);
+   MemoryUsage get_memory_usage();
+   size_t used_in_bytes();
+ };
+ 
+ class ClassMetaspacePool : public MetaspacePoolBase {
+ private:
+   size_t calculate_max_size();
+ public:
+   ClassMetaspacePool();
+ };
+ 
+ class MetaspacePool : public MetaspacePoolBase {
+ private:
+   size_t calculate_max_size();
+ public:
+   MetaspacePool();
+ };
+ 
  #endif // SHARE_VM_SERVICES_MEMORYPOOL_HPP