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)