374   public native void readReservedMemory();

   374   public native void readReservedMemory();

   375   public native long allocateMetaspace(ClassLoader classLoader, long size);

   375   public native long allocateMetaspace(ClassLoader classLoader, long size);

   376   public native void freeMetaspace(ClassLoader classLoader, long addr, long size);

   376   public native void freeMetaspace(ClassLoader classLoader, long addr, long size);

   377   public native long incMetaspaceCapacityUntilGC(long increment);

   377   public native long incMetaspaceCapacityUntilGC(long increment);

   378   public native long metaspaceCapacityUntilGC();

   378   public native long metaspaceCapacityUntilGC();

   379 

   380 

   380   // Force Young GC

   381   // Force Young GC

   381   public native void youngGC();

   382   public native void youngGC();

   382 

   383 

   383   // Force Full GC

   384   // Force Full GC