#ifdef __KERNEL__
-#include <linux/config.h>
#include <asm/virtconvert.h>
#include <asm/mem-layout.h>
#include <asm/sections.h>
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
-/* Pure 2^n version of get_order */
-static inline int get_order(unsigned long size) __attribute_const__;
-static inline int get_order(unsigned long size)
-{
- int order;
-
- size = (size - 1) >> (PAGE_SHIFT - 1);
- order = -1;
- do {
- size >>= 1;
- order++;
- } while (size);
- return order;
-}
-
#define devmem_is_allowed(pfn) 1
-#define __pa(vaddr) virt_to_phys((void *) vaddr)
-#define __va(paddr) phys_to_virt((unsigned long) paddr)
+#define __pa(vaddr) virt_to_phys((void *) (unsigned long) (vaddr))
+#define __va(paddr) phys_to_virt((unsigned long) (paddr))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
extern unsigned long max_pfn;
#ifdef CONFIG_MMU
-#define pfn_to_page(pfn) (mem_map + (pfn))
-#define page_to_pfn(page) ((unsigned long) ((page) - mem_map))
#define pfn_valid(pfn) ((pfn) < max_mapnr)
-
#else
-#define pfn_to_page(pfn) (&mem_map[(pfn) - (PAGE_OFFSET >> PAGE_SHIFT)])
-#define page_to_pfn(page) ((PAGE_OFFSET >> PAGE_SHIFT) + (unsigned long) ((page) - mem_map))
+#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT)
#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_low_pfn)
#endif
#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
-
#ifdef CONFIG_CONTIGUOUS_PAGE_ALLOC
#define WANT_PAGE_VIRTUAL 1
#endif
+#include <asm-generic/memory_model.h>
+#include <asm-generic/page.h>
+
+#endif /* __KERNEL__ */
+
#endif /* _ASM_PAGE_H */