RSM will free frames if available frames are in short supply. If you obtain a smaller amount, get it backed, and then release it, you may be more likely to observe the frames being retained.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY > Running z/OS V2.2 on a z13. "D DIAG" shows FREEMAINEDFRAMES(YES) > > I'm not trying to solve any specific problem. I'm just curious. > > I'd like to see the behaviour in different situations when real > storage (frames) has been kept as part of RSMs new "freemained > frames" feature after the virtual storage has been released (freemained). > > Sample program is obtaining a couple of 10MiB areas, then assessing > each page so to make sure it is backed with real storage. Some of > the areas are then released again. I was expecting to be able to > still access the released pages because RSM decided to keep the > frames. Am getting S0C4 instead. > > > Obviously, RSM considers it unnecessary to keep the frames as > freemained frames. > > > What, if anything, can I do to have RSM keep the frames when the > storage is released? > Peter Hunkeler ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
