add a wrapper around single segment dmaable memory allocations. this has now been copied from ami into mpi, arc, vic, ahci, sili, and mfi. ive probably forgotten some others too.
add a wrapper around single segment dmaable memory allocations. this has
now been copied from ami into mpi, arc, vic, ahci, sili, and mfi. ive
probably forgotten some others too.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars