--- zzzz-none-000/linux-2.6.32.60/kernel/fork.c 2012-10-07 21:41:24.000000000 +0000 +++ ur8-7270-606/linux-2.6.32.60/kernel/fork.c 2013-02-12 11:41:54.000000000 +0000 @@ -169,6 +169,7 @@ if (!profile_handoff_task(tsk)) free_task(tsk); } +EXPORT_SYMBOL_GPL(__put_task_struct); /* * macro override instead of weak attribute alias, to workaround