[PATCH 1/7] ARM: dma-mapping: Cocci spatch "vma_pages"
From: Thomas Meyer <hidden>
Date: 2017-09-20 22:40:26
Also in:
lkml
Use vma_pages function on vma object instead of explicit computation. Found by coccinelle spatch "api/vma_pages.cocci" Signed-off-by: Thomas Meyer <redacted> --- diff -u -p a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c@@ -846,7 +846,7 @@ static int __arm_dma_mmap(struct device unsigned long attrs) { int ret; - 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 pfn = dma_to_pfn(dev, dma_addr); unsigned long off = vma->vm_pgoff;