#include <asm/io.h>
#include <asm/pgtable-bits.h>
+struct mm_struct;
+struct vm_area_struct;
+
#define PAGE_NONE __pgprot(_PAGE_PRESENT | _CACHE_CACHABLE_NONCOHERENT)
#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
PAGE_CACHABLE_DEFAULT)
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
*/
-#define page_pte(page) page_pte_prot(page, __pgprot(0))
#define pmd_phys(pmd) (pmd_val(pmd) - PAGE_OFFSET)
#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
#define pmd_page_kernel(pmd) pmd_val(pmd)