kernel misc: Replace __get_cpu_var uses

Replace uses of __get_cpu_var for address calculation with this_cpu_ptr.

Cc: akpm@linux-foundation.org
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --cc kernel/printk/printk.c
Simple merge

diff --cc kernel/smp.c
Simple merge