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

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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



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