Re: [PATCH 06/10] dma: Use free_decrypted_pages()

[Christoph Hellwig]

On Tue, Oct 17, 2023 at 01:25:01PM -0700, Rick Edgecombe wrote:
>  struct cma;
>  
> @@ -165,7 +166,7 @@ static inline struct page *dma_alloc_contiguous(struct device *dev, size_t size,
>  static inline void dma_free_contiguous(struct device *dev, struct page *page,
>  		size_t size)
>  {
> -	__free_pages(page, get_order(size));
> +	free_decrypted_pages((unsigned long)page_address(page), get_order(size));

CMA can be highmem, so this won't work totally independent of what
free_decrypted_pages actually does.  Also please avoid the overly long line.