From 88b91c7ca49bc8600cf1106eb891d08c1965b9ce Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 26 Oct 2009 10:24:31 -0700
Subject: [PATCH] rcu: Simplify creating of lockdep class for root rcu_node

Use lockdep_set_class() to simplify the code and to avoid any
additional overhead in the !LOCKDEP case.  Also move the
definition of rcu_root_class into kernel/rcutree.c, as suggested
by Lai Jiangshan.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1256577871443-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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