From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lai Jiangshan <laijs-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
Subject: [PATCH 0/17] rcu: covert call_rcu(simple_kfree_callbck) to kfree_rcu()
	(PART 1)
Date: Tue, 15 Mar 2011 17:49:04 +0800
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To: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>, "Paul E. McKenney" <paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>, Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>, Trond Myklebust <Trond.Myklebust-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org>
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There are many simple_kfree_callback() instances that just does
	kfree(containerof(head,struct whatever_struct,rcu_member));

We convert them to kfree_rcu().