GUARD_HOLE_END_ADDR  512 arch/x86/mm/dump_pagetables.c 		(idx <  pgd_index(GUARD_HOLE_END_ADDR));
GUARD_HOLE_END_ADDR  663 arch/x86/xen/mmu_pv.c 	hole_high = pgd_index(GUARD_HOLE_END_ADDR);