Re: [PATCH v2 01/24] mlx4-ib: Use coherent memory for priv pages

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On Tue, Jun 14, 2016 at 11:15:25PM -0400, Chuck Lever wrote:
> From: Sagi Grimberg <sagi@xxxxxxxxxxx>
> 
> kmalloc doesn't guarantee the returned memory is all on one page.

IMHO, the patch posted by Christoph at that thread is best way to go,
because you changed streaming DMA mappings to be coherent DMA mappings [1].

"The kernel developers recommend the use of streaming mappings over
coherent mappings whenever possible" [1].

[1] http://www.makelinux.net/ldd3/chp-15-sect-4

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