PGDIR_SIZE         18 arch/x86/include/asm/pgtable_32_types.h #define PGDIR_MASK	(~(PGDIR_SIZE - 1))
PGDIR_SIZE         54 arch/x86/include/asm/pgtable_64_types.h #define PGDIR_MASK	(~(PGDIR_SIZE - 1))
PGDIR_SIZE          7 include/asm-generic/4level-fixup.h #define PUD_SIZE			PGDIR_SIZE
PGDIR_SIZE        277 include/asm-generic/pgtable.h ({	unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK;	\