Thanks 

To be perfectly clear I am getting storage obtain 
in the scheduling address space

The storage obtain is in the SRB ALET=

Will sysevent dontswap in the scheduling address space prevent potential S0C4's 



> On May 24, 2017, at 5:52 PM, Wayne Driscoll <[email protected]> 
> wrote:
> 
> If you want to ensure that the scheduling address space isn't swapped out, 
> you need to specify the SYSEVENT BEFORE you schedule the SRB. The swapping 
> status SYSEVENTS all act on the HOME address space. You can't set another 
> address space non-swapable.
> 
> Wayne Driscoll
> Software Developer III
> Rocket Software
> 77 Fourth Avenue • Waltham, MA • 02451 • USA
> T: +1 781 577 2625 • M: +1 630 247 1632 • E: [email protected] • 
> W: www.rocketsoftware.com
> 
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On 
> Behalf Of Joseph Reichman
> Sent: Wednesday, May 24, 2017 8:19 AM
> To: [email protected]
> Subject: Re: Difference between Transwap and Dontswap
> 
> While in Xmem I didn't want to take a page fault
> 
> I had scheduled a SRB in another AS and was referencing storage in the SRB in 
> the AS that invoked the IEAMSCHED
> 
> 
> 
>> On May 24, 2017, at 9:14 AM, John McKown <[email protected]> 
>> wrote:
>> 
>> On Wed, May 24, 2017 at 7:43 AM, Joseph Reichman
>> <[email protected]>
>> wrote:
>> 
>>> At the risk out sounding stupid why does it first have to be swapped
>>> out
>>> 
>>> 
>> ​I'll bet that you're envisioning all the pages being physically
>> written out to a local page dataset, then physically read back in. I
>> don't think this is what is really done. It is _logicallly_ swapped
>> out. And then _logically_ swapped back in. Then marked non-SWAPPABLE.
>> During the swap in, the data in physical memory frames may be copied
>> to other, non-preferred, memory frames. ​Why do it this way? Because
>> it just leverages code that already exists rather than using special
>> purpose code. Less code to write and maintain is a _good_ thing.
>> 
>> 
>> --
>> Windows. A funny name for a operating system that doesn't let you see
>> anything.
>> 
>> Maranatha! <><
>> John McKown
>> 
>> ----------------------------------------------------------------------
>> For IBM-MAIN subscribe / signoff / archive access instructions, send
>> email to [email protected] with the message: INFO IBM-MAIN
> 
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions, send email to 
> [email protected] with the message: INFO IBM-MAIN
> ================================
> Rocket Software, Inc. and subsidiaries ■ 77 Fourth Avenue, Waltham MA 02451 ■ 
> Main Office Toll Free Number: +1 877.328.2932
> Contact Customer Support: 
> https://my.rocketsoftware.com/RocketCommunity/RCEmailSupport
> Unsubscribe from Marketing Messages/Manage Your Subscription Preferences - 
> http://www.rocketsoftware.com/manage-your-email-preferences
> Privacy Policy - http://www.rocketsoftware.com/company/legal/privacy-policy
> ================================
> 
> This communication and any attachments may contain confidential information 
> of Rocket Software, Inc. All unauthorized use, disclosure or distribution is 
> prohibited. If you are not the intended recipient, please notify Rocket 
> Software immediately and destroy all copies of this communication. Thank you.
> 
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to [email protected] with the message: INFO IBM-MAIN

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

Reply via email to