_PAGE_BIT_UNUSED1   21 include/asm-x86/pgtable.h #define _PAGE_BIT_SPECIAL	_PAGE_BIT_UNUSED1
_PAGE_BIT_UNUSED1   22 include/asm-x86/pgtable.h #define _PAGE_BIT_CPA_TEST	_PAGE_BIT_UNUSED1
_PAGE_BIT_UNUSED1   34 include/asm-x86/pgtable.h #define _PAGE_UNUSED1	(_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1)