_PAGE_HIDDEN       63 arch/x86/include/asm/pgtable_types.h #define _PAGE_HIDDEN	(_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
_PAGE_HIDDEN       65 arch/x86/include/asm/pgtable_types.h #define _PAGE_HIDDEN	(_AT(pteval_t, 0))