lpm_adjust
req->mask = lpm_adjust(req->mask, req->lpm);
req->mask = lpm_adjust(req->mask >> 1, req->lpm);
int lpm_adjust(int lpm, int mask);
req->lpm = lpm_adjust(req->lpm, cdev->private->pgid_todo_mask);
req->lpm = lpm_adjust(req->lpm, sch->schib.pmcw.pam &
req->lpm = lpm_adjust(req->lpm, sch->schib.pmcw.pam & sch->opm &