--- qemu-2.7.0/util/memfd.c	2016-09-02 21:04:28.000000000 +0530
+++ qemu-2.7.0_mod/util/memfd.c	2020-02-12 15:36:07.724541076 +0530
@@ -37,7 +37,7 @@
 #include <sys/syscall.h>
 #include <asm/unistd.h>
 
-static int memfd_create(const char *name, unsigned int flags)
+ int memfd_create(const char *name, unsigned int flags)
 {
 #ifdef __NR_memfd_create
     return syscall(__NR_memfd_create, name, flags);