On Wed, 2013-08-07 at 15:33 +0530, Bharat Bhushan wrote:
> Mark the guest page as accessed so that there is likely
> less chances of this page getting swap-out.
> 
> Signed-off-by: Bharat Bhushan <bharat.bhus...@freescale.com>
> ---
>  arch/powerpc/kvm/e500_mmu_host.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/kvm/e500_mmu_host.c 
> b/arch/powerpc/kvm/e500_mmu_host.c
> index 001a2b0..ff6dd66 100644
> --- a/arch/powerpc/kvm/e500_mmu_host.c
> +++ b/arch/powerpc/kvm/e500_mmu_host.c
> @@ -246,6 +246,9 @@ static inline void kvmppc_e500_ref_setup(struct tlbe_ref 
> *ref,
>       /* Use guest supplied MAS2_G and MAS2_E */
>       ref->flags |= (gtlbe->mas2 & MAS2_ATTRIB_MASK) | wimg;
>  
> +     /* Mark the page accessed */
> +     kvm_set_pfn_accessed(pfn);
> +
>       if (tlbe_is_writable(gtlbe))
>               kvm_set_pfn_dirty(pfn);
>  }

Acked-by: Scott Wood <scottw...@freescale.com>

...though it would be nice to be able to handle accessed/dirty at once,
without having to repeat kvm_is_mmio_pfn() and such.

-Scott



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