PGD_ALIGN         516 arch/x86/kernel/head_32.S #define	PGD_ALIGN	(2 * PAGE_SIZE)
PGD_ALIGN         519 arch/x86/kernel/head_32.S #define	PGD_ALIGN	(PAGE_SIZE)
PGD_ALIGN         356 arch/x86/mm/pgtable.c #define PGD_ALIGN	32