PGD_INDEX_SIZE    106 arch/powerpc/include/asm/book3s/32/pgtable.h #define PGD_INDEX_SIZE	(32 - PGDIR_SHIFT)
PGD_INDEX_SIZE    193 arch/powerpc/include/asm/book3s/64/pgtable.h #define PGD_INDEX_SIZE  __pgd_index_size
PGD_INDEX_SIZE     23 arch/powerpc/include/asm/nohash/32/pgtable.h #define PGD_INDEX_SIZE	(32 - PGDIR_SHIFT)
PGD_INDEX_SIZE     15 arch/powerpc/include/asm/nohash/64/pgtable-4k.h #define PGD_INDEX_SIZE  9