*** old/src/share/vm/runtime/os.hpp	Fri Feb  4 08:47:27 2011
--- new/src/share/vm/runtime/os.hpp	Fri Feb  4 08:47:27 2011

*** 557,569 ****
--- 557,570 ----
    static void  free    (void *memblock);
    static bool  check_heap(bool force = false);      // verify C heap integrity
    static char* strdup(const char *);  // Like strdup
  
  #ifndef PRODUCT
!   static int  num_mallocs;            // # of calls to malloc/realloc
!   static size_t  alloc_bytes;         // # of bytes allocated
!   static int  num_frees;              // # of calls to free
!   static julong num_mallocs;         // # of calls to malloc/realloc
!   static julong alloc_bytes;         // # of bytes allocated
!   static julong num_frees;           // # of calls to free
+   static julong free_bytes;          // # of bytes freed
  #endif
  
    // SocketInterface (ex HPI SocketInterface )
    static int socket(int domain, int type, int protocol);
    static int socket_close(int fd);