IB
qfq_move_groups(q, mask, IB, IR);
qfq_move_groups(q, mask, IB, EB);
ineligible = q->bitmaps[IR] | q->bitmaps[IB];
__clear_bit(grp->index, &q->bitmaps[IB]);
__clear_bit(grp->index, &q->bitmaps[IB]);
qfq_move_groups(q, mask, IB, IR);
__clear_bit(grp->index, &q->bitmaps[IB]);
D(" IB 0x%08x", (unsigned)q->bitmaps[IB]);