UMEM_HASH_INITIAL
new_size = MAX(UMEM_HASH_INITIAL,
cp->cache_hash_mask > UMEM_HASH_INITIAL)))
UMEM_HASH_INITIAL * sizeof (void *), VM_NOSLEEP);
UMEM_HASH_INITIAL * sizeof (void *));
cp->cache_hash_mask = UMEM_HASH_INITIAL - 1;