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.

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).

-- 
Walt

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