Re: [PATCH 2/4] dma-iommu: Add iommu_dma_opt_mapping_size()

[John Garry]

On 21/05/2022 00:33, Damien Le Moal wrote:

Hi Damien,

> > +unsigned long iova_rcache_range(void)
> Why not a size_t return type ?

The IOVA code generally uses unsigned long for size/range while 
dam-iommu uses size_t as appropiate, so I'm just sticking to that.

> > +{
> > +	return PAGE_SIZE << (IOVA_RANGE_CACHE_MAX_SIZE - 1);
> > +}
> > +

Thanks,
John