BMAP_HASH_SIZE
#define HASH(p) (((p) / BMAP_CHUNK_BITS) % BMAP_HASH_SIZE)
dbmap_list_t bm_hash[BMAP_HASH_SIZE]; /* MRU hash table */
bmap_list_t bm_hash[BMAP_HASH_SIZE]; /* MRU hash table */
for (i = 0; i < BMAP_HASH_SIZE; hp++, i++)
for (i = 0; i < BMAP_HASH_SIZE; hp++, i++) {