On Wed, 5 Nov 2014 14:19:59 -0700, Paul Gilmartin <[email protected]> wrote:
>On 2014-11-05, at 13:11, Walt Farrell wrote: > >> On Wed, 5 Nov 2014 12:03:51 -0700, Paul Gilmartin <[email protected]> >> wrote: >> >>> Nevertheless, as long as z/OS and z/VSE exclude 2GiB <= address < 4GiB, >>> I prefer your interpretation. Is "bar" prevalent in VM or Linux argot? >> >> But z/OS does not exclude that range anymore, gil, as others have said. It >> is true that STORAGE OBTAIN will not give you those addresses, but it never >> gave them to you before we had 64-bit addressing either. STORAGE OBTAIN >> deals with 31-bit addresses and storage. >> >I don't recall that anyone has said "z/OS does not exclude that range anymore". >In fact most of the plies in this thread seem to say that range is excluded >and it's a good thing. > >> The addresses between 2G and 4G are valid via other mechanisms, though they >> were initially restricted when z/OS >>implemented 64-bit storage. You simply >> have to use those other mechanisms for any usage of storage above 2G (that >> is, >>for any 32- to 64-bit storage addressing). Take a look at this presentation: http://proceedings.share.org/client_files/SHARE_in_Boston_2/Session_7511_handout_419_0.pdf -- Dale R. Smith
