Re: pud_bad vs pud_bad

[Jeremy Fitzhardinge]

Ingo Molnar wrote:
> just the act of using PAE was measured to cause multi-percent slowdown in 
> fork() and exec() latencies, etc. The pagetables are twice as large so is 
> that really surprising?
>   

Is there a similar slowdown running the CPU in 32 vs 64 bit mode?  Or 
does having more/wider registers mitigate it?

   J
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