reclaimable
int64_t reclaimable;
reclaimable = cp->cache_bufslab - (cp->cache_maxchunks - 1);
reclaimable = MAX(reclaimable, 0);
reclaimable += ((uint64_t)reap * cp->cache_magtype->mt_magsize);
kmcp->kmc_move_reclaimable.value.ui64 = reclaimable;