VM_MEMMAP_F_IOMMU
if (flags & VM_MEMMAP_F_IOMMU) {
(m->flags & VM_MEMMAP_F_IOMMU) == 0) {
KASSERT((mm->flags & VM_MEMMAP_F_IOMMU) == 0,
mm->flags |= VM_MEMMAP_F_IOMMU;
if ((mm->flags & VM_MEMMAP_F_IOMMU) == 0)
mm->flags &= ~VM_MEMMAP_F_IOMMU;
mm->flags &= ~VM_MEMMAP_F_IOMMU;