Re: [patch] tlb flush_data: replace per_cpu with an array

[H. Peter Anvin]

Ingo Molnar wrote:

> > Nope it doesn't save memory on most systems because per cpu is only 
> > allocated based on the CPUs that are actually there. And if you have 
> > more than 8 cores you can likely afford a few bytes per CPU.
>
> No distro kernel will build with less than 8 CPUs anyway so this point is 
> moot.

Except for embedded, which will build for exactly what's in the box.

	-hpa
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