1. An apparatus for use in a computer system, said apparatus comprising: a page size storage area for storing a plurality of page sizes selected for translating a plurality of virtual addresses; and a page table walker including, a selection unit coupled to said page size storage area to select a field in each of said plurality of virtual addresses, said field is based on the page size selected for translating that virtual address to a page table entry and on the size of the page table, and a page table entry address generator coupled to receive bits in the selected field identified for each of said plurality of virtual addresses for selecting an entry in the page table for each virtual address.