--- zzzz-none-000/linux-3.10.107/arch/x86/um/syscalls_64.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/um/syscalls_64.c	2021-02-04 17:41:59.000000000 +0000
@@ -6,6 +6,7 @@
  */
 
 #include <linux/sched.h>
+#include <linux/uaccess.h>
 #include <asm/prctl.h> /* XXX This should get the constants from libc */
 #include <os.h>