datapath: Backport this_cpu_ptr to kernels < 2.6.33
authorJesse Gross <jesse@nicira.com>
Fri, 16 Nov 2012 21:20:58 +0000 (13:20 -0800)
committerJesse Gross <jesse@nicira.com>
Fri, 16 Nov 2012 21:24:35 +0000 (13:24 -0800)
An upstream commit uses this_cpu_ptr for a small performance benefit,
so this provides an equivalent to kernels that don't have that
function.

Signed-off-by: Jesse Gross <jesse@nicira.com>

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