/drivers/include/asm-generic/memory_model.h |
---|
69,6 → 69,12 |
}) |
#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */ |
/* |
* Convert a physical address to a Page Frame Number and back |
*/ |
#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) |
#define __pfn_to_phys(pfn) PFN_PHYS(pfn) |
#define page_to_pfn __page_to_pfn |
#define pfn_to_page __pfn_to_page |