Re: [RFC 00/15] x86_64: Optimize percpu accesses

[H. Peter Anvin]

Christoph Lameter wrote:
> H. Peter Anvin wrote:
>
> > And how much is that, especially on *small* systems?
>
> i386?
>
> i386 uses 4K mappings. There are just a few cpus supported, there is scarcity of ZONE_NORMAL memory so the per cpu areas really cannot get that big. See the cpu_alloc patchsets for i386.

No, not i386.  x86-64.

	-hpa
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