--- zzzz-none-000/linux-2.6.19.2/arch/um/os-Linux/process.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5504/linux-2.6.19.2/arch/um/os-Linux/process.c	2007-01-11 07:38:19.000000000 +0000
@@ -7,6 +7,7 @@
 #include <stdio.h>
 #include <errno.h>
 #include <signal.h>
+#include <linux/unistd.h>
 #include <sys/mman.h>
 #include <sys/wait.h>
 #include <sys/mman.h>