swiotlb: factor out a nr_slots helper

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Factor out a helper to find the number of slots for a given size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jianxiong Gao <jxgao@google.com>
Tested-by: Jianxiong Gao <jxgao@google.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Christoph Hellwig 2021-02-05 11:19:34 +01:00 • committed by Konrad Rzeszutek Wilk

parent c7fbeca757

commit c32a77fd18

1 changed files with 9 additions and 4 deletions

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kernel/dma/swiotlb.c

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