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

@@ -160,11 +160,11 @@
 void HeapRegion::setup_heap_region_size(size_t initial_heap_size, size_t max_heap_size) {
   uintx region_size = G1HeapRegionSize;
   if (FLAG_IS_DEFAULT(G1HeapRegionSize)) {
     size_t average_heap_size = (initial_heap_size + max_heap_size) / 2;
     region_size = MAX2(average_heap_size / TARGET_REGION_NUMBER,
-                       (uintx) MIN_REGION_SIZE);
+                       (size_t) MIN_REGION_SIZE);
   }
 
   int region_size_log = log2_long((jlong) region_size);
   // Recalculate the region size to make sure it's a power of
   // 2. This means that region_size is the largest power of 2 that's