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

@@ -26,10 +26,11 @@
 #define SHARE_GC_G1_HEAPREGIONREMSET_HPP
 
 #include "gc/g1/g1CodeCacheRemSet.hpp"
 #include "gc/g1/g1FromCardCache.hpp"
 #include "gc/g1/sparsePRT.hpp"
+#include "runtime/atomic.hpp"
 #include "utilities/bitMap.hpp"
 
 // Remembered set for a heap region.  Represent a set of "cards" that
 // contain pointers into the owner heap region.  Cards are defined somewhat
 // abstractly, in terms of what the "BlockOffsetTable" in use can parse.