[PATCH 2/7] arm64: Cocci spatch "vma_pages"

[Robin Murphy]

On 20/09/17 23:29, Thomas Meyer wrote:
> Use vma_pages function on vma object instead of explicit computation.
> Found by coccinelle spatch "api/vma_pages.cocci"

Reviewed-by: Robin Murphy <robin.murphy at arm.com>

I guess this can be picked up independently of the other patches?

Robin.

> Signed-off-by: Thomas Meyer <thomas at m3y3r.de>
> ---
> 
> diff -u -p a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
> --- a/arch/arm64/mm/dma-mapping.c
> +++ b/arch/arm64/mm/dma-mapping.c
> @@ -303,8 +303,7 @@ static int __swiotlb_mmap_pfn(struct vm_
>  			      unsigned long pfn, size_t size)
>  {
>  	int ret = -ENXIO;
> -	unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >>
> -					PAGE_SHIFT;
> +	unsigned long nr_vma_pages = vma_pages(vma);
>  	unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
>  	unsigned long off = vma->vm_pgoff;
>  
> 
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