Re: [PATCH v2 3/3] kvm: remove redundant PageReserved() check

From: David Hildenbrand
Date: Tue Nov 27 2018 - 08:31:30 EST


On 14.11.18 22:51, Barret Rhoden wrote:
> kvm_is_reserved_pfn() already checks PageReserved().
>
> Signed-off-by: Barret Rhoden <brho@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 2679e476b6c3..e0ea6d7dac14 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -1700,12 +1700,8 @@ 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);
>
>

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--

Thanks,

David / dhildenb