Re: [PATCH] shrink per_cpu_pages to fit 32byte cacheline

Nick Piggin
2004-09-15T00:57:15Z

Marcelo Tosatti wrote:

>>some version of that; I can't find it in my current one though. Hrmpf
>>Maybe there's someone from intel or amd on this list who can confirm the
>>performance impact of the 0x66 operand size override prefix
>
>
> Prefix "data16" I see... Well it doesnt seem anyone really familiar with this
> is part of the list - who you think would be sure about this?
>
> Jun Nakajima maybe?
>
> We need to be sure because we've just done for pagevec's.

You could leave them as ints, and just make the size of the pagevec
14 on 32-bit archs and 15 on 64-bit ones.