_PAGE_BIT_PROTNONE
#define SWP_OFFSET_SHIFT (_PAGE_BIT_PROTNONE + 1)
#define SWP_OFFSET_FIRST_BIT (_PAGE_BIT_PROTNONE + 1)
#define SWP_OFFSET_FIRST_BIT (_PAGE_BIT_PROTNONE + 1)
#define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE)