Hi Greg,

JFYI, I have rebase this patchset to v4.15-rc1.[1]

[1] https://lkml.org/lkml/2018/2/12/204

Thanks
Yisheng

On 2018/2/1 9:54, Yisheng Xie wrote:
> ion_buffer_fault_user_mappings's definition has been removed and not be
> used anymore, just remove its useless declaration.
> 
> Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
> ---
>  drivers/staging/android/ion/ion.h | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/drivers/staging/android/ion/ion.h 
> b/drivers/staging/android/ion/ion.h
> index f5f9cd6..2160c35 100644
> --- a/drivers/staging/android/ion/ion.h
> +++ b/drivers/staging/android/ion/ion.h
> @@ -201,15 +201,6 @@ struct ion_heap {
>  bool ion_buffer_cached(struct ion_buffer *buffer);
>  
>  /**
> - * ion_buffer_fault_user_mappings - fault in user mappings of this buffer
> - * @buffer:          buffer
> - *
> - * indicates whether userspace mappings of this buffer will be faulted
> - * in, this can affect how buffers are allocated from the heap.
> - */
> -bool ion_buffer_fault_user_mappings(struct ion_buffer *buffer);
> -
> -/**
>   * ion_device_add_heap - adds a heap to the ion device
>   * @heap:            the heap to add
>   */
> 

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