Re: [PATCH v3 3/3] kvm: remove redundant PageReserved() check

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On 04.04.19 22:23, Barret Rhoden wrote:
> kvm_is_reserved_pfn() already checks PageReserved().
> 
> Signed-off-by: Barret Rhoden <brho@xxxxxxxxxx>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
> ---
>  virt/kvm/kvm_main.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 55fe8e20d8fd..c44985375e7f 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -1782,12 +1782,8 @@ EXPORT_SYMBOL_GPL(kvm_release_pfn_dirty);
>  
>  void kvm_set_pfn_dirty(kvm_pfn_t pfn)
>  {
> -	if (!kvm_is_reserved_pfn(pfn)) {
> -		struct page *page = pfn_to_page(pfn);
> -
> -		if (!PageReserved(page))
> -			SetPageDirty(page);
> -	}
> +	if (!kvm_is_reserved_pfn(pfn))
> +		SetPageDirty(pfn_to_page(pfn));
>  }
>  EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
>  
> 

I guess this one can be picked up right away, right?

-- 

Thanks,

David / dhildenb



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