MC_SYNC
res = pr_memcntl(Pr, start, (end - start), MC_SYNC,
case MC_SYNC: s = "MC_SYNC"; break;
case MC_SYNC:
return (memcntl(addr, len, MC_SYNC, (caddr_t)(uintptr_t)flags, 0, 0));
case MC_SYNC:
error = as_ctl(as, addr, len, MC_SYNC, attr,
case MC_SYNC: