On Mon, Apr 18, 2016 at 09:54:47AM +0300, 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?
Not quite. You still have code in mlx4_en_map_buffer that performs
this mapping later if it it wasn't mapped in mlx4_buf_alloc.
You'll need to get rid of that by ensuring max_direct for all the cases
currently using mlx4_en_map_buffer as well.
