Ripped it out of my last shop. The SMF30 has a bit(?) that indicates V=R was 
used.
Spun 90 days worth of type 30's to prove it was not in use and then removed the 
spec.

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Steve Thompson
Sent: Thursday, June 8, 2017 8:48 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: curious: Anybody still use ADDRSPC=REAL ?

On 06/08/2017 11:45 AM, John McKown wrote:
> This still seems to be supported in z/OS 2.2. Does anyone need to run 
> a program V=R in today's world? I'm just curious because this support 
> seems to be a "waste" of protect keys 10 through 15. Of course, if 
> those keys were "freed up", what could they be used for?
> 


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