On 4/18/2016 2:54 AM, Eli Cohen wrote:
> Sinan,
>
> if we get rid of the part this code:
>
> if (BITS_PER_LONG == 64) {
> struct page **pages;
> pages = kmalloc(sizeof *pages * buf->nbufs, gfp);
> if (!pages)
> goto err_free;
> ...
> ...
> if (!buf->direct.buf)
> goto err_free;
> }
>
> Does that solve the arm issue?
I will test. As far as I know, there is one more place these DMA addresses
are called with vmap. This is in mlx4_en_map_buffer.
I was trying to rearrange the allocation so that vmap actually works.
What do you think about mlx4_en_map_buffer?
--
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux
Foundation Collaborative Project
