From 8af3a5e78cfb63abe8813743946b7bd5a8a3134c Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Fri, 31 Oct 2014 11:22:37 -0700
Subject: [PATCH] rcu: Abstract rcu_cleanup_dead_rnp() from
 rcu_cleanup_dead_cpu()

This commit abstracts rcu_cleanup_dead_rnp() from rcu_cleanup_dead_cpu()
in preparation for the rework of RCU priority boosting.  This new function
will be invoked from rcu_read_unlock_special() in the reworked scheme,
which is why rcu_cleanup_dead_rnp() assumes that the leaf rcu_node
structure's ->qsmaskinit field has already been updated.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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