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