P4D_SHIFT         327 arch/s390/include/asm/pgtable.h #define P4D_SHIFT	_REGION2_SHIFT
P4D_SHIFT          61 arch/x86/include/asm/pgtable_64_types.h #define P4D_SHIFT		39
P4D_SHIFT           8 include/asm-generic/5level-fixup.h #define P4D_SHIFT			PGDIR_SHIFT
P4D_SHIFT          11 include/asm-generic/pgtable-nop4d.h #define P4D_SHIFT		PGDIR_SHIFT