VM_DMA32_BOUNDARY
#if defined(VM_LOWMEM_BOUNDARY) && defined(VM_DMA32_BOUNDARY)
CTASSERT(VM_LOWMEM_BOUNDARY < VM_DMA32_BOUNDARY);
if (paddr < VM_DMA32_BOUNDARY && end > VM_DMA32_BOUNDARY) {
vm_phys_create_seg(paddr, VM_DMA32_BOUNDARY);
paddr = VM_DMA32_BOUNDARY;
seg->end <= VM_DMA32_BOUNDARY)
if (seg->end <= VM_DMA32_BOUNDARY) {