Hi, > I' trying to find documents or articles that describes the 4 Page Table Levels > in kernel >= 2.6.11. Try the "I'm feeling lucky" google-button for 'site:lwn.net "four level page tables" ' ;) > I need also informations about the reasons of the adding > a new page table level in addresses translation. as you might just as well read in lwn.net, it seems like already-existing hardware (incl. dominant x86-64) supports four-level page tables, so why limit our address spaces to 512GB if 128T is possible ? Sincerely, Ohad. > Thanks. > Vincenzo Mallozzi. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/