--- memfd.c	2020-02-19 15:18:11.594376290 +0530
+++ memfd_mod.c	2020-02-19 20:22:37.287605664 +0530
@@ -32,9 +32,9 @@
 
 #include "qemu/memfd.h"
 
-#ifdef CONFIG_MEMFD
-#include <sys/memfd.h>
-#elif defined CONFIG_LINUX
+
+#if defined CONFIG_LINUX && !defined CONFIG_MEMFD
+#include <sys/mman.h>
 #include <sys/syscall.h>
 #include <asm/unistd.h>