src/share/vm/gc_implementation/g1/g1HotCardCache.cpp

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@@ -42,13 +42,11 @@
 
     _n_hot = 0;
     _hot_cache_idx = 0;
 
     // For refining the cards in the hot cache in parallel
-    uint n_workers = (ParallelGCThreads > 0 ?
-                        _g1h->workers()->total_workers() : 1);
-    _hot_cache_par_chunk_size = MAX2(1, _hot_cache_size / (int)n_workers);
+    _hot_cache_par_chunk_size = (ParallelGCThreads > 0 ? 32 : _hot_cache_size);
     _hot_cache_par_claimed_idx = 0;
 
     _card_counts.initialize();
   }
 }