Use updated mmap_prep decl.

vesad/src/scheme.rs

@@ -377,7 +377,7 @@ impl SchemeMut for DisplayScheme {
         self.handles.remove(&id).ok_or(Error::new(EBADF))?;
         Ok(0)
     }
-    fn mmap_prep(&mut self, id: usize, _flags: MapFlags, size: usize, off: u64) -> Result<usize> {
+    fn mmap_prep(&mut self, id: usize, off: u64, size: usize, _flags: MapFlags) -> Result<usize> {
         let handle = self.handles.get(&id).ok_or(Error::new(EBADF))?;
 
         if let HandleKind::Screen(vt_i, screen_i) = handle.kind {

virtio-gpud/src/scheme.rs

@@ -463,7 +463,7 @@ impl<'a> SchemeMut for Scheme<'a> {
     fn close(&mut self, _id: usize) -> syscall::Result<usize> {
         Ok(0)
     }
-    fn mmap_prep(&mut self, id: usize, flags: MapFlags, size: usize, offset: u64) -> syscall::Result<usize> {
+    fn mmap_prep(&mut self, id: usize, offset: u64, size: usize, flags: MapFlags) -> syscall::Result<usize> {
         log::info!("KSMSG MMAP {} {:?} {} {}", id, flags, offset, size);
         match self.handles.get(&id).ok_or(SysError::new(EINVAL))? {
             Handle::Vt { display, .. } => {