X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=include%2Fasm-um%2Fpgtable.h;h=ac64eb9558684cac34a15ae6f68832dd70485105;hb=168d04b3b4de7723eb73b3cffc9cb75224e0f393;hp=b48e0966ecd7b8b936a4be2a3e8cf06d9645edec;hpb=f5c7f03113fc9c547012cf403aec4b534d575ef0;p=~andy%2Flinux

diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
index b48e0966ecd..ac64eb95586 100644
--- a/include/asm-um/pgtable.h
+++ b/include/asm-um/pgtable.h
@@ -138,7 +138,7 @@ extern unsigned long pg0[1024];
 
 #define pte_clear(mm,addr,xp) pte_set_val(*(xp), (phys_t) 0, __pgprot(_PAGE_NEWPAGE))
 
-#define pmd_none(x)	(!(pmd_val(x) & ~_PAGE_NEWPAGE))
+#define pmd_none(x)	(!((unsigned long)pmd_val(x) & ~_PAGE_NEWPAGE))
 #define	pmd_bad(x)	((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
 #define pmd_present(x)	(pmd_val(x) & _PAGE_PRESENT)
 #define pmd_clear(xp)	do { pmd_val(*(xp)) = _PAGE_NEWPAGE; } while (0)
@@ -326,19 +326,26 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval)
 }
 #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
 
-extern phys_t page_to_phys(struct page *page);
-
 /*
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
  */
 
-extern pte_t mk_pte(struct page *page, pgprot_t pgprot);
+#define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys))
+#define __virt_to_page(virt) phys_to_page(__pa(virt))
+#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
+
+#define mk_pte(page, pgprot) \
+	({ pte_t pte;					\
+							\
+	pte_set_val(pte, page_to_phys(page), (pgprot));	\
+	if (pte_present(pte))				\
+		pte_mknewprot(pte_mknewpage(pte));	\
+	pte;})
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
 	pte_set_val(pte, (pte_val(pte) & _PAGE_CHG_MASK), newprot);
-	if(pte_present(pte)) pte = pte_mknewpage(pte_mknewprot(pte));
 	return pte; 
 }
 
@@ -410,8 +417,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 #endif
 #endif
 
-extern struct page *phys_to_page(const unsigned long phys);
-extern struct page *__virt_to_page(const unsigned long virt);
 #define virt_to_page(addr) __virt_to_page((const unsigned long) addr)
 
 /*