src/hotspot/cpu/x86/vm_version_x86.cpp

*** 607,616 ****
--- 607,619 ----
    guarantee(_cpuid_info.std_cpuid1_edx.bits.clflush != 0, "clflush is not supported");
    // clflush_size is size in quadwords (8 bytes).
    guarantee(_cpuid_info.std_cpuid1_ebx.bits.clflush_size == 8, "such clflush size is not supported");
  #endif
  
+   // publish data cache line flush size to generic field
+   _data_cache_line_flush_size = _cpuid_info.std_cpuid1_ebx.bits.clflush_size * 8;
+ 
    // If the OS doesn't support SSE, we can't use this feature even if the HW does
    if (!os::supports_sse())
      _features &= ~(CPU_SSE|CPU_SSE2|CPU_SSE3|CPU_SSSE3|CPU_SSE4A|CPU_SSE4_1|CPU_SSE4_2);
  
    if (UseSSE < 4) {