I thought those were the multiple address spaces. There's only one nucleus, but 
there's a lot of user region address spaces.

Charles

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Joel C. Ewing
Sent: Saturday, September 03, 2016 4:41 PM
To: [email protected]
Subject: Re: z/OS Architecture Diagram

On 09/03/2016 06:05 PM, Bill Woodger wrote:
> Is it just me, or does it look like Nucleus and Expanded are full of Post-it 
> (R) notes?
>
>
I guessing that's intended to convey pageable page frames in REAL and EXPANDED 
physical memory, and that a portion of REAL memory (where there is an absence 
of Post-it notes) is occupied by non-pageable Nucleus code; but yeah those 
"page frame boundaries" do look a little imprecisely aligned, which 

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO IBM-MAIN

Reply via email to