src/hotspot/share/runtime/vm_version.hpp

*** 56,65 ****
--- 56,66 ----
    static int          _vm_security_version;
    static int          _vm_patch_version;
    static int          _vm_build_number;
    static unsigned int _parallel_worker_threads;
    static bool         _parallel_worker_threads_initialized;
+   static unsigned int _data_cache_line_flush_size;
  
    static unsigned int nof_parallel_worker_threads(unsigned int num,
                                                    unsigned int dem,
                                                    unsigned int switch_pt);
   public:
*** 137,146 ****
--- 138,153 ----
  
    static unsigned int L1_data_cache_line_size() {
      return _L1_data_cache_line_size;
    }
  
+   // the size in bytes of a data cache line flushed by a flush
+   // operation which should be a power of two
+   static unsigned int data_cache_line_flush_size() {
+     return _data_cache_line_flush_size;
+   }
+ 
    // ARCH specific policy for the BiasedLocking
    static bool use_biased_locking()  { return true; }
  
    // Number of page sizes efficiently supported by the hardware.  Most chips now
    // support two sizes, thus this default implementation.  Processor-specific