Re: [PATCH V2 1/2] Swiotlb: Add swiotlb_alloc_from_low_pages switch

[Christoph Hellwig]

Adding a function to set the flag doesn't really change much.  As Robin
pointed out last time you should fine a way to just call
swiotlb_init_with_tbl directly with the memory allocated the way you
like it.  Or given that we have quite a few of these trusted hypervisor
schemes maybe add an argument to swiotlb_init that specifies how to
allocate the memory.
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