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dma/direct: turn ARCH_ZONE_DMA_BITS into a variable
commit 8b5369e upstream. Some architectures, notably ARM, are interested in tweaking this depending on their runtime DMA addressing limitations. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Original file line number | Diff line number | Diff line change |
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@@ -38,6 +38,4 @@ extern int pfn_valid(unsigned long); | |
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#include <asm-generic/getorder.h> | ||
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#define ARCH_ZONE_DMA_BITS 30 | ||
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#endif |
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