AFSCALL_SETPAG
return syscall(afs_syscalls[0], AFSCALL_SETPAG);
struct procdata data = { 0, 0, 0, 0, AFSCALL_SETPAG };
struct devdata data = { AFSCALL_SETPAG, 0, 0, 0, 0, 0, 0, 0 };