TLB_EXECUTE
if ((pte & PTE_PROT(TLB_EXECUTE)) != 0 &&
if (pte & PTE_PROT(TLB_EXECUTE)) {
#define PVF_EXEC PTE_PROT(TLB_EXECUTE) /* pg/mp is executable */
#define TLB_AR_RX TLB_READ|TLB_EXECUTE
#define TLB_AR_RWX TLB_READ|TLB_WRITE|TLB_EXECUTE