From:	CSBVAX::CSBVAX::MRGATE::"SMTP::CRVAX.SRI.COM::RELAY-INFO-VAX"  2-MAR-1989 08:58
To:	MRGATE::"ARISIA::EVERHART"
Subj:	RE: Demand zero compression on shareable images


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Date:    Thu,  2 Mar 1989 10:50:30  +0100
From:    "GWDGV1::MOELLER"  <U0012%DGOGWDG5.BITNET@CUNYVM.CUNY.EDU>
         "Wolfgang J. M:oller, GWDG, Tel. 201-516"
To:      info-vax@kl.sri.COM
Subject: RE: Demand zero compression on shareable images

Terry Poot <TP%MCCALL.CLAREMONT.EDU@CUNYVM.CUNY.EDU> asks:
> Question for the linker gurus: Is there any way to get the linker to cause
> large uninitialized chunks of memory to be replaced by demand zero pages
> when that memory resides in a shareable image? ...
The very useful, undocumented linker option you are looking for has been:

UNSUPPORTED=1

(yes I'm serious) in existence since VMS V4.0.

> I am running VMS 5.0-2.
I'm still on V4, so I'm not absolutely sure it is still there .

Wolfgang J. Moeller, GWDG, D-3400 Goettingen, F.R.Germany | Disclaimer ...
Bitnet/Earn: U0012@DGOGWDG5         Phone: +49 551 201516 | No claim intended