On Tue, 3 Mar 2009 19:39:12 +0100, Kris Buelens <kris.buel...@gmail.com> wrote:
>Since z/VM V5, the CP nucleus itself no longer has pageable parts. > While it's true that CP no longer pages out any parts of the nucleus itself, there are CP owned pageable structures that may be paged out on the target volume. The bulk of these are pageable PGMBKs (normal user private space PGMBKs, containing the page tables that represent user storage), but there are some other pageable structures that are not tied to users, so even if all users were logged off, there's no guarantee that paging use on the drained volume would drop to zero. - Bill Holder, z/VM Development, IBM Endicott