Re: [PATCH] percpu: add optimized generic percpu accessors

[Christoph Lameter]

On Tue, 27 Jan 2009, David Miller wrote:

> > Why wont it scale? this is a separate TLB entry for each processor.
>
> The IA64 per-cpu TLB entry only covers 64k which makes use of it for
> dynamic per-cpu stuff out of the question.  That's why it "doesn't
> scale"

IA64 supports varying page sizes. You can use a 128k TLB entry etc.

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