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Pull dma-mapping fixes from Christoph Hellwig: - fix the handling of the bus_dma_mask in dma_get_required_mask, which caused a regression in this merge window (Lucas Stach) - fix a regression in the handling of DMA_ATTR_NO_KERNEL_MAPPING (me) - fix dma_mmap_coherent to not cause page attribute mismatches on coherent architectures like x86 (me) * tag 'dma-mapping-5.3-4' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: fix page attributes for dma_mmap_* dma-direct: don't truncate dma_required_mask to bus addressing capabilities dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING