#ifndef _M68KNOMMU_PAGE_H
#define _M68KNOMMU_PAGE_H
-#include <linux/config.h>
/* PAGE_SHIFT determines the page size */
/* 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 */
-extern __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;
-}
-
extern unsigned long memory_start;
extern unsigned long memory_end;
#ifndef __ASSEMBLY__
-#define __pa(vaddr) virt_to_phys((void *)vaddr)
-#define __va(paddr) phys_to_virt((unsigned long)paddr)
+#define __pa(vaddr) virt_to_phys((void *)(vaddr))
+#define __va(paddr) phys_to_virt((unsigned long)(paddr))
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn))
#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))
+#define pfn_valid(pfn) ((pfn) < max_mapnr)
#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
((void *)(kaddr) < (void *)memory_end))
#endif /* __KERNEL__ */
+#include <asm-generic/page.h>
+
#endif /* _M68KNOMMU_PAGE_H */