Re: [PATCH 0/9] use this_cpu_ptr instead of per_cpu_ptr(p,smp_processor_id())

[Christoph Lameter]

On Wed, 31 Oct 2012, Shan Wei wrote:

> this_cpu_ptr is faster than per_cpu_ptr(p, smp_processor_id()).
> The latter helper needs to find the offset for current cpu,
> and needs more assembler instructions which objdump shows in following.

The code is shorter and that helps but note that the main effect is that
memory accesses are reduced.
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