Use vma_pages function on vma object instead of explicit computation. Found by coccinelle spatch "api/vma_pages.cocci" Signed-off-by: Thomas Meyer <thomas@xxxxxxxx> --- diff -u -p a/arch/metag/kernel/dma.c b/arch/metag/kernel/dma.c --- a/arch/metag/kernel/dma.c +++ b/arch/metag/kernel/dma.c @@ -342,7 +342,7 @@ static int metag_dma_mmap(struct device else vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - user_size = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + user_size = vma_pages(vma); spin_lock_irqsave(&consistent_lock, flags); c = metag_vm_region_find(&consistent_head, (unsigned long)cpu_addr); -- To unsubscribe from this list: send the line "unsubscribe linux-metag" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html