diff --git a/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c b/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
index 08c3fd281..e21cdf792 100644
--- a/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
+++ b/drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
@@ -1958,7 +1958,7 @@ int gk20a_ctrl_dev_mmap(struct file *filp, struct vm_area_struct *vma)
 	if (priv->usermode_vma.vma != NULL)
 		return -EBUSY;
 
-	if (vma->vm_end - vma->vm_start < PAGE_SIZE)
+	if (vma->vm_end - vma->vm_start > SZ_64K)
 		return -EINVAL;
 
 	if (vma->vm_pgoff != 0UL)