Merge remote-tracking branches 'spi/fix/bcm63xx', 'spi/fix/doc', 'spi/fix/mediatek...

[firefly-linux-kernel-4.4.55.git] / drivers / xen / gntdev.c

diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 2ea0b3b2a91d2585a2d37f8ead07f08f32c79826..1be5dd048622f6c8c4f9aa805514b9fd5b5c5d7b 100644 (file)
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -804,7 +804,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
 
        vma->vm_ops = &gntdev_vmops;
 
-       vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+       vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_IO;
 
        if (use_ptemod)
                vma->vm_flags |= VM_DONTCOPY;