On 21.9.2017 00:29, Thomas Meyer wrote:
> Use vma_pages function on vma object instead of explicit computation.
> Found by coccinelle spatch "api/vma_pages.cocci"
>
> Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
> ---
>
> diff -u -p a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
> --- a/arch/microblaze/kernel/dma.c
> +++ b/arch/microblaze/kernel/dma.c
> @@ -165,7 +165,7 @@ int dma_direct_mmap_coherent(struct devi
> unsigned long attrs)
> {
> #ifdef CONFIG_MMU
> - unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
> + unsigned long user_count = vma_pages(vma);
> unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
> unsigned long off = vma->vm_pgoff;
> unsigned long pfn;
> Applied to mb/next. Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs
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