Messages in this thread Patch in this message | | | From | Vasyl Gomonovych <> | Subject | [PATCH] MIPS: dma-default: Use vma_pages helper | Date | Thu, 23 Nov 2017 00:16:12 +0100 |
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Use vma_pages function on vma object instead of explicit computation. arch/mips/mm/dma-default.c:182:34-40: WARNING: Consider using vma_pages helper on vma Generated by: scripts/coccinelle/api/vma_pages.cocci
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com> --- arch/mips/mm/dma-default.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index c01bd20d0208..bfd504c92719 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -179,7 +179,7 @@ static int mips_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs) { - 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 addr = (unsigned long)cpu_addr; unsigned long off = vma->vm_pgoff; -- 1.9.1
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