* This is the memory layout of the hashchain array:
*
* FREELIST_TOP + 0 = freelist
- * FREELIST_TOP + 4 = hashtbale list 0
- * FREELIST_TOP + 8 = hashtbale list 1
+ * FREELIST_TOP + 4 = hashtable list 0
+ * FREELIST_TOP + 8 = hashtable list 1
* ...
*
* Otoh lock_offset computes: