src/os_cpu/linux_zero/vm/os_linux_zero.cpp

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@@ -493,5 +493,10 @@
 
 #ifndef PRODUCT
 void os::verify_stack_alignment() {
 }
 #endif
+
+int os::extra_bang_size_in_bytes() {
+  // JDK-8050147 requires the full cache line bang for x86.
+  return VM_Version::L1_line_size();
+}