else { if (count == NON_PARTICIPANT) flushRememberedSets(); }
  protected final void threadLocalPrepare(int count) {    nursery.rebind(nurseryVM);    if (fullHeapGC) {      threadLocalMaturePrepare(count);      if (Plan.usesLOS) los.prepare();      remset.resetLocal();  // we can throw away remsets for a full heap GC    }  }