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mm: move __phys_to_pfn and __pfn_to_phys to asm/generic/memory_model.h
Three architectures already define these, and we'll need them genericly
soon.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
authored by
Christoph Hellwig
and committed by
Dan Williams
012dcef3
cb389b9c
+6
-18
-6
arch/arm/include/asm/memory.h
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arch/arm/include/asm/memory.h
···
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#endif
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/*
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* Convert a physical address to a Page Frame Number and back
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*/
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#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
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#define __pfn_to_phys(pfn) ((phys_addr_t)(pfn) << PAGE_SHIFT)
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-
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/*
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* Convert a page to/from a physical address
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*/
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#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
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arch/arm64/include/asm/memory.h
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arch/arm64/include/asm/memory.h
···
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#define __phys_to_virt(x) ((unsigned long)((x) - PHYS_OFFSET + PAGE_OFFSET))
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/*
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* Convert a physical address to a Page Frame Number and back
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*/
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#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
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#define __pfn_to_phys(pfn) ((phys_addr_t)(pfn) << PAGE_SHIFT)
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-
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/*
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* Convert a page to/from a physical address
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*/
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#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
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arch/unicore32/include/asm/memory.h
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arch/unicore32/include/asm/memory.h
···
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#endif
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/*
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* Convert a physical address to a Page Frame Number and back
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*/
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#define __phys_to_pfn(paddr) ((paddr) >> PAGE_SHIFT)
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#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
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/*
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* Convert a page to/from a physical address
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*/
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#define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page)))
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include/asm-generic/memory_model.h
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include/asm-generic/memory_model.h
···
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})
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#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */
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/*
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* Convert a physical address to a Page Frame Number and back
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*/
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#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
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#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
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#define page_to_pfn __page_to_pfn
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#define pfn_to_page __pfn_to_page
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