tte_cv
#define TTE_IS_VCACHEABLE(ttep) ((ttep)->tte_cv)
#define TTE_SET_VCACHEABLE(ttep) ((ttep)->tte_cv = 1)
#define TTE_CLR_VCACHEABLE(ttep) ((ttep)->tte_cv = 0)
#define TTE_IS_VCACHEABLE(ttep) ((ttep)->tte_cv)
#define TTE_SET_VCACHEABLE(ttep) ((ttep)->tte_cv = 1)
#define TTE_CLR_VCACHEABLE(ttep) ((ttep)->tte_cv = 0)