When did that change? It used to be that MLPA was subject to pageout.

--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of Jim 
Mulder <[email protected]>
Sent: Friday, August 9, 2019 12:12 PM
To: [email protected]
Subject: Re: LOADing a module into common storage

  Stores into unfixed static PLPA/MLPA are lost if a frame is stolen,
because RSM
recognizes the address ranges of  static PLPA/MLPA and treats them
differently.

 Dynamic LPA processing loads the modules into ordinary CSA storage.  RSM
knows nothing about Dynamic LPA, so stores into Dynamic LPA are not lost
if
the frame is stolen.

Jim Mulder z/OS Diagnosis, Design, Development, Test  IBM Corp.
Poughkeepsie NY

> It's not so much the storing that's the problem; I understood that an
LPA
> module that's marked REFR (and maybe just RENT) doesn't need to be paged
> out, and so my store might be silently lost. Probably I have this wrong,
> that is, if the change bit is on in a page it *will* be paged out if the
> frame is needed.



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