diff --git a/unix/syscall_linux_mips64x.go b/unix/syscall_linux_mips64x.go
index 090ed40..ad99103 100644
--- a/unix/syscall_linux_mips64x.go
+++ b/unix/syscall_linux_mips64x.go
@@ -8,6 +8,7 @@
 package unix
 
 //sys	Dup2(oldfd int, newfd int) (err error)
+//sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
@@ -47,6 +48,7 @@
 //sys	Statfs(path string, buf *Statfs_t) (err error)
 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
 //sys	Truncate(path string, length int64) (err error)
+//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
 //sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
@@ -65,6 +67,7 @@
 //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
 //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
 
+//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
 //sysnb	Gettimeofday(tv *Timeval) (err error)
 
 func Time(t *Time_t) (tt Time_t, err error) {
@@ -80,6 +83,7 @@
 }
 
 //sys	Utime(path string, buf *Utimbuf) (err error)
+//sys	utimes(path string, times *[2]Timeval) (err error)
 
 func setTimespec(sec, nsec int64) Timespec {
 	return Timespec{Sec: sec, Nsec: nsec}