src/hotspot/share/classfile/compactHashtable.hpp

*** 121,130 ****
--- 121,139 ----
    void allocate_table();
    void dump_table(NumberSeq* summary);
  
  public:
    void dump(SimpleCompactHashtable *cht, const char* table_name);
+ 
+   static int default_num_buckets(size_t num_entries) {
+     return default_num_buckets((int)num_entries);
+   }
+   static int default_num_buckets(int num_entries) {
+     int num_buckets = num_entries / SharedSymbolTableBucketSize;
+     // calculation of num_buckets can result in zero buckets, we need at least one
+     return (num_buckets < 1) ? 1 : num_buckets;
+   }
  };
  #endif // INCLUDE_CDS
  
  #define REGULAR_BUCKET_TYPE       0
  #define VALUE_ONLY_BUCKET_TYPE    1