--- old/src/share/vm/runtime/thread.hpp 2017-06-12 10:25:14.110250032 -0700 +++ new/src/share/vm/runtime/thread.hpp 2017-06-12 10:25:13.986250514 -0700 @@ -615,6 +615,7 @@ TLAB_FIELD_OFFSET(start) TLAB_FIELD_OFFSET(end) + TLAB_FIELD_OFFSET(actual_end) TLAB_FIELD_OFFSET(top) TLAB_FIELD_OFFSET(pf_top) TLAB_FIELD_OFFSET(size) // desired_size