In src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp, above CMSParMarkTask::do_young_space_rescan, there is a comment
parameter "i" is not used
but the formal parameter name has already been changed to "uint worker_id"
parameter "i" is not used
but the formal parameter name has already been changed to "uint worker_id"