From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: [PATCH] KVM: large page support
Date: Sat, 23 Feb 2008 12:55:44 -0600
Message-ID: <47C06C30.1070604@codemonkey.ws>
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Cc: kvm-devel <kvm-devel@lists.sourceforge.net>,
	Avi Kivity <avi@qumranet.com>
To: Marcelo Tosatti <marcelo@kvack.org>
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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 <mtosatti@redhat.com>
>   


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