rcu: Remove useless rcu_data_p when !PREEMPT_RCU

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The related warning from gcc 6.0:

  In file included from kernel/rcu/tree.c:4630:0:
  kernel/rcu/tree_plugin.h:810:40: warning: ‘rcu_data_p’ defined but not used [-Wunused-const-variable]
   static struct rcu_data __percpu *const rcu_data_p = &rcu_sched_data;
                                          ^~~~~~~~~~

Also remove always redundant rcu_data_p in tree.c.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Chen Gang 2015-12-26 21:41:44 +08:00 • committed by Paul E. McKenney

parent aa5a898876

commit 1914aab543

2 changed files with 0 additions and 2 deletions

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kernel/rcu/tree.c

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kernel/rcu/tree_plugin.h

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