From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Tue, 29 May 2012 06:57:46 +0000 (-0700)
Subject: rcu: Move _rcu_barrier()'s rcu_head structures to rcu_data structures
X-Git-Tag: v3.6-rc1~168^2^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=06668efa9180f4824fe846a8ff96338c18646bc7;p=pandora-kernel.git

rcu: Move _rcu_barrier()'s rcu_head structures to rcu_data structures

In order for multiple flavors of RCU to each concurrently run one
rcu_barrier(), each flavor needs its own per-CPU set of rcu_head
structures.  This commit therefore moves _rcu_barrier()'s set of
per-CPU rcu_head structures from per-CPU variables to the existing
per-CPU and per-RCU-flavor rcu_data structures.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---

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