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

H. Peter Anvin
2009-01-12T22:59:35Z

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