MIN_DVMA_WIN_SIZE
if (size < iommu_ptob(MIN_DVMA_WIN_SIZE)) {
if (npages > MIN_DVMA_WIN_SIZE) {
npages = MIN_DVMA_WIN_SIZE + iommu_btopr(offset);
size = iommu_ptob(MIN_DVMA_WIN_SIZE);
MIN_DVMA_WIN_SIZE) {