D40757.diff
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	diff --git a/sys/compat/linuxkpi/common/include/linux/list.h b/sys/compat/linuxkpi/common/include/linux/list.h
	--- a/sys/compat/linuxkpi/common/include/linux/list.h
	+++ b/sys/compat/linuxkpi/common/include/linux/list.h
	@@ -466,6 +466,20 @@
	return list->next == head;
	}

	+static inline size_t
	+list_count_nodes(const struct list_head *list)
	+{
	+ const struct list_head *lh;
	+ size_t count;
	+
	+ count = 0;
	+ list_for_each(lh, list) {
	+ count++;
	+ }
	+
	+ return (count);
	+}
	+
	#define hlist_entry(ptr, type, field) container_of(ptr, type, field)

	#define hlist_for_each(p, head) \