1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 2e2514e00720..e3e94d05f0fd 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;