Re: [PATCH] iommu/dma: Remove broken huge page handling

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On Thu, Sep 03, 2020 at 12:34:04PM +0100, Robin Murphy wrote:
> The attempt to handle huge page allocations was originally added since
> the comments around stripping __GFP_COMP in other implementations were
> nonsensical, and we naively assumed that split_huge_page() could simply
> be called equivalently to split_page(). It turns out that this doesn't
> actually work correctly, so just get rid of it - there's little point
> going to the effort of allocating huge pages if we're only going to
> split them anyway.
> 
> Reported-by: Roman Gushchin <guro@xxxxxx>
> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
> ---
>  drivers/iommu/dma-iommu.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)

Applied, thanks.





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