On Fri, 9 Nov 2012, Shan Wei wrote:
> /* Funnel through hierarchy to reduce memory contention. */
> - rnp = per_cpu_ptr(rsp->rda, raw_smp_processor_id())->mynode;
> + rnp = __this_cpu_read(rsp->rda->mynode);
> for (; rnp != NULL; rnp = rnp->parent) {
Acked-by: Christoph Lameter <c...@linux.com>
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