BITS_PER_PGD 97 include/asm-parisc/pgtable.h #define PTRS_PER_PGD (1UL << BITS_PER_PGD) BITS_PER_PGD 100 include/asm-parisc/pgtable.h #define MAX_ADDRBITS (PGDIR_SHIFT + BITS_PER_PGD)