Re: [PATCH v5 1/7] KVM: guest_memfd: Plumb the number of pages and max order into .invalidate()

[Ackerley Tng]

Sean Christopherson <seanjc@xxxxxxxxxx> writes:

>
> [...snip...]
>
>  #ifdef CONFIG_HAVE_KVM_ARCH_GMEM_INVALIDATE
>  static void kvm_gmem_free_folio(struct folio *folio)
>  {
> -	struct page *page = folio_page(folio, 0);
> -	kvm_pfn_t pfn = page_to_pfn(page);
> -	int order = folio_order(folio);
> -
> -	kvm_arch_gmem_invalidate(pfn, pfn + (1ul << order));
> +	kvm_arch_gmem_invalidate(folio_file_pfn(folio, 0), folio_nr_pages(folio),

How about just folio_pfn(folio)? Since we're freeing the folio this will
always be 0.

Reviewed-by: Ackerley Tng <ackerleytng@xxxxxxxxxx>

> +				 folio_order(folio));
>  }
>  #endif
>