On Wed, 2 Dec 2015 14:06:28 +0100, Peter Hunkeler wrote:

>Allocating 100 MB area, I found that the first page in the newly 
>allocated area always seems to be backed by real storage upon 
>return from STORAGE OBTAIN.

Do you specify BNDRY=PAGE?
Are you using z/OS 1.9 rules or z/OS 1.10 rules?
How were you able to determine this? LRA perhaps?
Why do you care?

>Is this true? 

I don't know; maybe Jim or Peter will have an answer.

>Where is this documented?

I wouldn't expect that it is.

-- 
Tom Marchant

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