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SubjectRe: [PATCH v4 02/23] lib/scatterlist: add flag for indicating P2PDMA segments in an SGL
> +	#
> + # The need for the scatterlist DMA bus address flag means PCI P2PDMA
> + # requires 64bit
> + #
> + select NEED_SG_DMA_BUS_ADDR_FLAG

> +config NEED_SG_DMA_BUS_ADDR_FLAG
> + depends on 64BIT
> + bool

depends does not work for symbols that are selected using select.

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