_PAGE_BIT_GLOBAL   40 arch/x86/include/asm/pgtable_types.h #define _PAGE_BIT_PROTNONE	_PAGE_BIT_GLOBAL
_PAGE_BIT_GLOBAL   50 arch/x86/include/asm/pgtable_types.h #define _PAGE_GLOBAL	(_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)