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SubjectRe: [PATCH RFC v1 2/6] swiotlb: convert variables to arrays
On Wed, Feb 03, 2021 at 03:37:05PM -0800, Dongli Zhang wrote:
> This patch converts several swiotlb related variables to arrays, in
> order to maintain stat/status for different swiotlb buffers. Here are
> variables involved:
>
> - io_tlb_start and io_tlb_end
> - io_tlb_nslabs and io_tlb_used
> - io_tlb_list
> - io_tlb_index
> - max_segment
> - io_tlb_orig_addr
> - no_iotlb_memory
>
> There is no functional change and this is to prepare to enable 64-bit
> swiotlb.

Claire Chang (on Cc) already posted a patch like this a month ago,
which looks much better because it actually uses a struct instead
of all the random variables.

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