Marcelo Tosatti wrote:
> Create large pages mappings if the guest PTE's are marked as such and
> the underlying memory is hugetlbfs backed.
>
> Gives a consistent 2% improvement for data copies on ram mounted
> filesystem, without NPT/EPT.
>   

FWIW, with NPT, I'm seeing kernbench get about a 4% improvement in 
performance with this patch with a 4-VCPU guest.

Very nice work!

Regards,

Anthony Liguori

> Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
>   


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