GUARD_HOLE_BASE_ADDR 117 arch/x86/include/asm/pgtable_64_types.h #define GUARD_HOLE_END_ADDR (GUARD_HOLE_BASE_ADDR + GUARD_HOLE_SIZE) GUARD_HOLE_BASE_ADDR 511 arch/x86/mm/dump_pagetables.c return (idx >= pgd_index(GUARD_HOLE_BASE_ADDR)) && GUARD_HOLE_BASE_ADDR 662 arch/x86/xen/mmu_pv.c hole_low = pgd_index(GUARD_HOLE_BASE_ADDR);