On Sun, 12 Mar 2017 11:22:09 -0500, Mike Schwab wrote: >The big advantage of 64 bit on the mainframe is the elimination of >paging. Using hundreds of address spaces that are potentially 1-2 GB >each spread over 32GB or more instead of paging in and out with much >smaller amount of memory. > But that can be done without 64 bit virtual.
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