percpu: Replace __get_cpu_var with this_cpu_ptr

[Christoph Lameter]

One case of using __get_cpu_var in the get_cpu_var macro
for address calculation.

Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Index: linux/include/linux/percpu.h
===================================================================
--- linux.orig/include/linux/percpu.h	2014-04-14 13:24:54.669364001 -0500
+++ linux/include/linux/percpu.h	2014-04-14 13:24:54.661364156 -0500
@@ -29,7 +29,7 @@
  */
 #define get_cpu_var(var) (*({				\
 	preempt_disable();				\
-	&__get_cpu_var(var); }))
+	this_cpu_ptr(&var); }))

 /*
  * The weird & is necessary because sparse considers (void)(var) to be
--
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