SUN4U_TLB_TSB_LOCK
tte.data |= SUN4U_TLB_TSB_LOCK; /* wired */
#define TLB_TSB_LOCK (CPU_ISSUN4V ? SUN4V_TLB_TSB_LOCK : SUN4U_TLB_TSB_LOCK)
tte.data |= SUN4U_TLB_TSB_LOCK;
data &= ~SUN4U_TLB_TSB_LOCK;