On Mon, 7 May 2018 07:05:19 -0500, Tom Marchant <m42tom-ibmm...@yahoo.com> wrote:
>>If GETMAIN is modified as I requested, >>the 16 MiB to 4 GiB region will be a continuous >>region and a GETMAIN of 3 GiB will work so long >>as there hasn't been fragmentation. ie a 32-bit >>program can allocate a single 3 GiB chunk. > >No, it couldn't. The top op the 2 GB address space is ELSQA, ECSA, and EPLPA. Is there anything preventing those areas being relocated closer to the 16 MiB line? >You keep talking about a "32-bit program" as if that is a thing. It isn't. What terminology do you suggest using for a program that only uses the 32-bit registers as found in S/370, but may be running in any AMODE including AM64? BFN. Paul. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN