dnl #
dnl #commit b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
dnl #Author: Sasha Levin <sasha.levin@oracle.com>
dnl #Date:   Wed Feb 27 17:06:00 2013 -0800
dnl #hlist: drop the node parameter from iterators
dnl #
AC_DEFUN([AC_AMDGPU_4ARGS_HASH_FOR_EACH_POSSIBLE_RCU],
		[AC_MSG_CHECKING([whether hash_for_each_possible_rcu() wants 4 arguments])
		AC_KERNEL_TRY_COMPILE([
				#include <linux/hashtable.h>
		],[
				struct klp_shadow {
					struct hlist_node node;
				};

				struct klp_shadow *shadow;
				static DEFINE_HASHTABLE(klp_shadow_hash, 12);
				hash_for_each_possible_rcu(klp_shadow_hash,shadow,node,0){}

		],[
				AC_MSG_RESULT(yes)
				AC_DEFINE(HAVE_4ARGS_HASH_FOR_EACH_POSSIBLE_RCU, 1, [hash_for_each_possible_rcu() wants 4 arguments])
		],[
				AC_MSG_RESULT(no)
		])
])