tree 5cf00a68df5c0b63dcb8c84f00b0ecb48910c0fa
parent 4dac3e98840f11bb2d8d52fd375150c7c1912117
author Christoph Lameter <cl@linux-foundation.org> 1254566903 +0900
committer Tejun Heo <tj@kernel.org> 1254566903 +0900

this_cpu: Use this_cpu operations in RCU

RCU does not do dynamic allocations but it increments per cpu variables
a lot. These instructions results in a move to a register and then back
to memory. This patch will make it use the inc/dec instructions on x86
that do not need a register.

Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Tejun Heo <tj@kernel.org>