IB_FMR_HASH_SIZE
(IB_FMR_HASH_SIZE - 1);
kmalloc_array(IB_FMR_HASH_SIZE,
for (i = 0; i < IB_FMR_HASH_SIZE; ++i)
IB_FMR_HASH_MASK = IB_FMR_HASH_SIZE - 1