Messages in this thread | | | Date | Mon, 12 Jan 2009 14:59:44 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [patch] tlb flush_data: replace per_cpu with an array |
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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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