Merge tag 'mips_4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips

[linux-2.6-block.git] / arch / mips / mm / dma-default.c

diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 2e2514e0072068685e63ca3df2c01e09f2af4a81..e3e94d05f0fd77437a1746a5ca91a83706357167 100644 (file)
--- 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;