158 	iommu_gaddr_t bound, delta, free_down;  in iommu_gas_augment_entry()  local
161 	bound = entry->start;  in iommu_gas_augment_entry()
163 		free_down = MAX(child->free_down, bound - child->last);  in iommu_gas_augment_entry()
164 		bound = child->first;  in iommu_gas_augment_entry()
166 	delta = bound - entry->first;  in iommu_gas_augment_entry()
167 	entry->first = bound;  in iommu_gas_augment_entry()
168 	bound = entry->end;  in iommu_gas_augment_entry()
171 		free_down = MAX(free_down, child->first - bound);  in iommu_gas_augment_entry()
172 		bound = child->last;  in iommu_gas_augment_entry()
174 	delta += entry->last - bound;  in iommu_gas_augment_entry()
177 	entry->last = bound;  in iommu_gas_augment_entry()