On Tue, 19 Jul 2011 21:46:20 +0000, Gibney, Dave wrote:
>> >>
>> http://publib.boulder.ibm.com/infocenter/zos/v1r12/index.jsp?topic=/com.ibm.zos.r12.ieae200/progref.htm
>> >
>> >Actually, it not that I think it is no good, I think it's a long time 
>> >coming. The
>> problem is that I also know of at least one program (central to our batch
>> processing) that exploits this "feature" :)
>> >
>> Relink it.
>
>I said exploits, not tolerates. By being marked RENT, the system still only 
>loads one copy. Relink and I'll quickly use up virtual memory and suffer the 
>overhead of loading multiple copies.
> 
Since Ed J. has kindly reminded me of the difference, perhaps you
should mark your module RENT,NOREFR (this shouldn't cause problems
with REFRPROT, but perhaps Ed's experience is otherwise); and the OP
mark his REFR and set REFRPROT=YES.

In fact, many decades ago, a colleague did the experiment and
confirmed what he inferred from the manual.  IIRC, REUS was
sufficient to prevent loading multiple copies.  But the memory is
fading, and perhaps things have changed.

-- gil

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