src/os_cpu/linux_x86/vm/os_linux_x86.cpp

*** 928,932 ****
--- 928,937 ----
    __asm__ volatile("call *%0" : : "r"(codebuf));
  
    // keep the page mapped so CS limit isn't reduced.
  #endif
  }
+ 
+ int os::extra_bang_size_in_bytes() {
+   // JDK-8050147 requires the full cache line bang for x86.
+   return VM_Version::L1_line_size();
+ }