[#include <linux/fs.h>
#include <linux/namei.h>],
[path_lookup(NULL, 0, NULL);])
+ AC_CHECK_LINUX_FUNC([proc_create],
+ [#include <linux/proc_fs.h>],
+ [proc_create(NULL, 0, NULL, NULL);])
AC_CHECK_LINUX_FUNC([rcu_read_lock],
[#include <linux/rcupdate.h>],
[rcu_read_lock();])