search for: pin_l4_tabl

...ting. You waste one entry in the L4 page table (or 512GB of virtual address space that you will never miss) and no pages at all. And every single page table would be at a well defined virtual address in a 1:1 mapping to the offsets they are at. BUT CAN YOU DO THAT IN XEN? The L4 table is pined to PIN_L4_TABLE and each entry in the L4 table must point to a page pined to PIN_L3_TABLE. The self reference would have the wrong pinning. I wonder if it possible to allow such a mapping without compromising the security of the page tables. If method 3 is impossible then it seems like method 1b is best. It us...