src/hotspot/share/gc/g1/heapRegionRemSet.cpp

*** 44,54 ****
  
  PerRegionTable* PerRegionTable::alloc(HeapRegion* hr) {
    PerRegionTable* fl = _free_list;
    while (fl != NULL) {
      PerRegionTable* nxt = fl->next();
!     PerRegionTable* res = Atomic::cmpxchg(nxt, &_free_list, fl);
      if (res == fl) {
        fl->init(hr, true);
        return fl;
      } else {
        fl = _free_list;
--- 44,54 ----
  
  PerRegionTable* PerRegionTable::alloc(HeapRegion* hr) {
    PerRegionTable* fl = _free_list;
    while (fl != NULL) {
      PerRegionTable* nxt = fl->next();
!     PerRegionTable* res = Atomic::cmpxchg(&_free_list, fl, nxt);
      if (res == fl) {
        fl->init(hr, true);
        return fl;
      } else {
        fl = _free_list;