Gilles Chanteperdrix wrote:
> This patch adds architecture independent support for non cached memory
> mappings. This is necessary on ARM architecture with VIVT cache to
share a
>mapping between kernel and user-space, but may be used in other
> (who knows).

So, the difference between H_DMA and H_NONCACHED would be that
may not be physically contiguous, while H_DMA (that is physically
may still be cached on cache coherent systems. Is that correct?


PS: any plan on a H_HUGETLB one of those days?

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