How large is the virtual address space for a process in Red Hat Enterprise Linux? Updated 2012-03-30T19:30:28+00:00 Issue How large is the virtual address space for a process? How much memory can a process address? What is the maximum memory that 32bit and 64bit applications can address? Environment Red Hat Enterprise Linux Subscriber content preview. For full access to the Red Hat Knowledgebase, please log in.Not a subscriber? Learn more about the benefits of Red Hat Subscriptions.