--- zzzz-none-000/linux-2.6.19.2/arch/um/sys-i386/unmap.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/arch/um/sys-i386/unmap.c	2007-01-11 07:38:19.000000000 +0000
@@ -5,20 +5,17 @@
 
 #include <linux/mman.h>
 #include <asm/unistd.h>
+#include <sys/syscall.h>
 
-static int errno;
-
-static inline _syscall2(int,munmap,void *,start,size_t,len)
-static inline _syscall6(void *,mmap2,void *,addr,size_t,len,int,prot,int,flags,int,fd,off_t,offset)
 int switcheroo(int fd, int prot, void *from, void *to, int size)
 {
-	if(munmap(to, size) < 0){
+	if (syscall(__NR_munmap, to, size) < 0){
 		return(-1);
 	}
-	if(mmap2(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1 ){
+	if (syscall(__NR_mmap2, to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1 ){
 		return(-1);
 	}
-	if(munmap(from, size) < 0){
+	if (syscall(__NR_munmap, from, size) < 0){
 		return(-1);
 	}
 	return(0);