> -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Greg Dyck > Sent: 11 April, 2017 23:39 > To: [email protected] > Subject: Re: Paging subsystems in the era of bigass memory > > On 4/11/2017 1:46 PM, Jesse 1 Robinson wrote: > > Part of the problem, I learned some time back at SHARE, is that there > is no mechanism to 'reclaim' page slots that no longer need to remain on > disk. Once storage gets paged out, it sits there like a sandbag until > the owning task is stopped. Contrast that with JES2 spool track reclaim, > which constantly munches through spool like Pacman and frees up unneeded > space. > > Many moons ago code was implemented in ASM and RSM to slowly reclaim ASM > page slots for virtual pages that were changed in real storage. I have > vague memories of this functionality later being disabled for some > technical concern, but can't remember what it was. > > Regards, > Greg >
Hi Greg, You still can't resist to jump in on your old hobby of many moons ago? Kees. ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
