dma-mapping-6.1-2022-10-10

dma-mapping updates for Linux 6.1

 - fix a regression in the ARM dma-direct conversion (Christoph Hellwig)
 - use memcpy_{from,to}_page (Fabio M. De Francesco)
 - cleanup the swiotlb MAINTAINERS entry (Lukas Bulwahn)
 - make SG table pool allocation less fragile (Masahiro Yamada)
 - don't panic on swiotlb initialization failure (Robin Murphy)
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