On Mon, 2004-02-16 at 15:59, Alan Altmark wrote: > The linux term "exclusive write" is the same as the VM term "non-shared > copy". It is NOT the same as a DCSS defined with Exclusive Write (EW) > attributes, and it does not prevent access to the existing copy of the > DCSS.
OK, I think this is probably the confusing part right here. So the right methodology is, basically: do a DEFSEG/SAVESEG from CMS to set the page ranges. DEF STOR something-smaller and IPL Linux with mem=something-big. modprobe dcssblk and access the segment. echo "0" > /proc/dcssblk/segment/shared mke2fs the segment, mount it, and put stuff into it umount it echo "1" > /proc/dcssblk/segment/save echo "1" > /proc/dcssblk/segment/shared Adam Load
