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

John Garry
2022-05-23T07:28:55Z

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