Duh.

libc/sysdeps/linux/arm/ioperm.c

@@ -40,12 +40,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-
 #include <sys/types.h>
-#include <sys/mman.h>
-
-#include <asm/page.h>
-#include <sys/sysctl.h>
+//#include <sys/mman.h>
+//#include <asm/page.h>
 
 
 #define IO_BASE			0x7c000000