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-rw-r--r--drivers/vhost/vdpa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 3d163ec6fb28..6ca7660ee6b5 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -740,6 +740,7 @@ static int vhost_vdpa_release(struct inode *inode, struct file *filep)
return 0;
}
+#ifdef CONFIG_MMU
static vm_fault_t vhost_vdpa_fault(struct vm_fault *vmf)
{
struct vhost_vdpa *v = vmf->vma->vm_file->private_data;
@@ -796,6 +797,7 @@ static int vhost_vdpa_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_ops = &vhost_vdpa_vm_ops;
return 0;
}
+#endif /* CONFIG_MMU */
static const struct file_operations vhost_vdpa_fops = {
.owner = THIS_MODULE,
@@ -803,7 +805,9 @@ static const struct file_operations vhost_vdpa_fops = {
.release = vhost_vdpa_release,
.write_iter = vhost_vdpa_chr_write_iter,
.unlocked_ioctl = vhost_vdpa_unlocked_ioctl,
+#ifdef CONFIG_MMU
.mmap = vhost_vdpa_mmap,
+#endif /* CONFIG_MMU */
.compat_ioctl = compat_ptr_ioctl,
};