Re: [RFC] respect the referenced bit of KVM guest pages?

[Avi Kivity]

On 08/05/2009 05:33 PM, Rik van Riel wrote:
> Avi Kivity wrote:
>
> > The attached patch implements this.
>
> The attached page requires each page to go around twice
> before it is evicted, but they will still get evicted in
> the order in which they were made present.
>
> FIFO page replacement was shown to be a bad idea in the
> 1960's and it is still a terrible idea today.

Which is why we have accessed bits in page tables... but emulating the 
accessed bit via RWX (note no present bit in EPT) is better than 
ignoring it.

--
error compiling committee.c: too many arguments to function

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