8329766: Serial: Refactor SerialBlockOffsetTable API

src/hotspot/share/gc/serial/serialBlockOffsetTable.cpp

@@ -77,9 +77,9 @@ void SerialBlockOffsetTable::resize(size_t new_word_size) {
   }
 }
 
-static void fill_range(uint8_t* start, uint8_t* end, uint8_t v) {
-  // + 1 for inclusive
-  memset(start, v, pointer_delta(end, start, sizeof(uint8_t)) + 1);
+static void fill_range(uint8_t* start, uint8_t* end, uint8_t value) {
+  // + 1 for inclusive.
+  memset(start, value, pointer_delta(end, start, sizeof(uint8_t)) + 1);
 }
 
 // Write the backskip value for each logarithmic region (array slots containing the same entry value).

src/hotspot/share/gc/serial/serialBlockOffsetTable.hpp

@@ -62,10 +62,10 @@ class SerialBlockOffsetTable: public CHeapObj<mtGC> {
     return ReservedSpace::allocation_align_size_up(number_of_slots);
   }
 
-  // Mapping from address to object start array entry
+  // Mapping from address to object start array entry.
   uint8_t* entry_for_addr(const void* const p) const;
 
-  // Mapping from object start array entry to address of first word
+  // Mapping from object start array entry to address of first word.
   HeapWord* addr_for_entry(const uint8_t* const p) const;
 
   void update_for_block_work(HeapWord* blk_start, HeapWord* blk_end);