diff -rupN qemu-2.10.1-orig/configure qemu-2.10.1/configure
--- qemu-2.10.1-orig/configure	2018-02-03 20:31:28.775201548 +0100
+++ qemu-2.10.1/configure	2018-02-03 20:49:55.690456630 +0100
@@ -3855,7 +3855,7 @@ fi
 # check if memfd is supported
 memfd=no
 cat > $TMPC << EOF
-#include <sys/memfd.h>
+#include <sys/mman.h>
 
 int main(void)
 {
diff -rupN qemu-2.10.1-orig/util/memfd.c qemu-2.10.1/util/memfd.c
--- qemu-2.10.1-orig/util/memfd.c	2018-02-03 20:31:29.058197629 +0100
+++ qemu-2.10.1/util/memfd.c	2018-02-03 20:50:33.589907638 +0100
@@ -31,9 +31,7 @@
 
 #include "qemu/memfd.h"
 
-#ifdef CONFIG_MEMFD
-#include <sys/memfd.h>
-#elif defined CONFIG_LINUX
+#if defined CONFIG_LINUX && !defined CONFIG_MEMFD
 #include <sys/syscall.h>
 #include <asm/unistd.h>