diff options
author | Thomas Meyer <thomas@m3y3r.de> | 2017-09-21 00:29:36 +0200 |
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committer | Will Deacon <will.deacon@arm.com> | 2017-10-02 10:13:05 +0100 |
commit | b4f4a2755665bf847231050b569f587ce0945482 (patch) | |
tree | 7da465b14e04b907f9d0054af885050eea8ed11f /arch/arm64/mm | |
parent | c2f0b54f10b12620c57f6e31233589b704a00ed5 (diff) | |
download | linux-b4f4a2755665bf847231050b569f587ce0945482.tar.bz2 |
arm64: dma-mapping: Cocci spatch "vma_pages"
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@arm.com>
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/mm')
-rw-r--r-- | arch/arm64/mm/dma-mapping.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 614af886b7ef..5f62090bda24 100644 --- 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_area_struct *vma, 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; |