Blog entries are related to the mainframe operating system z/VSE. Ingolf will share news, hints & tips or any topic. The postings on this site are my own and don't necessarily represent IBM's positions, strategies or opinions.
We introduced 64 bit virtual with z/VSE 5.1. In between more and more applications use 64 bit registers for data and addresses as well as 64 bit addressing mode. 64 bit virtual gives more options for larger virtual storage in memory. It improves the management and sharing of data. E.g. you may replace a data space (limited to 2 GB) with a memory object and do no longer need to care about ALETs. Memory objects are not limited to 2 GB. There are some consideration that you should have in mind, if you change your applications to use 64 bit... [More]
This blog entry is a reminder for the 11th European IBM / GSE TU for z/VSE, z/VM and Linux on IBM z Systems conference. The conference is scheduled from October 23 to October 25, 2017 in Hamburg, Germany. It has general sessions in English and tracks in German and English. The conference web page with links to the registration and agenda is here . The early bird offer ends on July 14, 2017 .