IOMMU_MAP_ENTRY_UNMAPPED
end->flags = IOMMU_MAP_ENTRY_PLACE | IOMMU_MAP_ENTRY_UNMAPPED;
begin->flags = IOMMU_MAP_ENTRY_PLACE | IOMMU_MAP_ENTRY_UNMAPPED;
(IOMMU_MAP_ENTRY_PLACE | IOMMU_MAP_ENTRY_UNMAPPED),
(IOMMU_MAP_ENTRY_PLACE | IOMMU_MAP_ENTRY_UNMAPPED),
if ((entry->flags & (IOMMU_MAP_ENTRY_UNMAPPED |
entry->flags |= IOMMU_MAP_ENTRY_UNMAPPED;