--- Gnu-Mach/i386/i386at/mem.c	2020/09/02 04:46:54	1.1.1.1
+++ Gnu-Mach/i386/i386at/mem.c	2020/09/02 04:49:24	1.1.1.2
@@ -32,7 +32,7 @@
 /*ARGSUSED*/
 int
 memmmap(dev, off, prot)
-int		dev;
+dev_t		dev;
 vm_offset_t	off;
 vm_prot_t	prot;
 {