Messages in this thread | | | Date | Mon, 23 May 2022 16:32:52 +0900 | Subject | Re: [PATCH 2/4] dma-iommu: Add iommu_dma_opt_mapping_size() | From | Damien Le Moal <> |
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On 2022/05/23 16:01, John Garry wrote: > 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.
OK.
> >> >>> +{ >>> + return PAGE_SIZE << (IOVA_RANGE_CACHE_MAX_SIZE - 1); >>> +} >>> + > > Thanks, > John
-- Damien Le Moal Western Digital Research
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