--- old/src/share/vm/runtime/os.cpp 2015-12-08 10:11:59.722508397 -0800 +++ new/src/share/vm/runtime/os.cpp 2015-12-08 10:11:59.590508402 -0800 @@ -316,7 +316,9 @@ // decisions depending on large page support and the calculated large page size. large_page_init(); - VM_Version::vm_init_before_ergo(); + // VM version initialization identifies some characteristics of the + // the platform that are used during ergonomic decisions. + VM_Version::init_before_ergo(); } void os::signal_init() {