PTE_FILE_MAX_BITS   69 arch/x86/include/asm/pgtable-2level.h #define PTE_FILE_MAX_BITS	29
PTE_FILE_MAX_BITS  189 arch/x86/include/asm/pgtable-3level.h #define PTE_FILE_MAX_BITS       32
PTE_FILE_MAX_BITS  139 arch/x86/include/asm/pgtable_64.h #define PTE_FILE_MAX_BITS __PHYSICAL_MASK_SHIFT