In 2.5.34, in order to build a module that calls daemonize(), I had to
export reparent_to_init:
--- 1.45/kernel/ksyms.c Mon Sep 9 03:35:51 2002
+++ edited/kernel/ksyms.c Mon Sep 9 16:52:29 2002
@@ -521,6 +521,7 @@
EXPORT_SYMBOL(securebits);
EXPORT_SYMBOL(cap_bset);
EXPORT_SYMBOL(daemonize);
+EXPORT_SYMBOL(reparent_to_init);
EXPORT_SYMBOL(csum_partial); /* for networking and md */
EXPORT_SYMBOL(seq_escape);
EXPORT_SYMBOL(seq_printf);
-- Patrick Mansfield