Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

[linux-2.6] / include / asm-um / page.h

diff --git a/include/asm-um/page.h b/include/asm-um/page.h
index 8e310d81e5b4d1c194338def163c57bce4326c6d..916e1a61999f4b414b94e31db9b928c09ef69aff 100644 (file)
--- a/include/asm-um/page.h
+++ b/include/asm-um/page.h
@@ -7,15 +7,20 @@
 #ifndef __UM_PAGE_H
 #define __UM_PAGE_H
 
-struct page;
-
-#include <asm/vm-flags.h>
+#include <linux/const.h>
 
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT     12
-#define PAGE_SIZE      (1UL << PAGE_SHIFT)
+#define PAGE_SIZE      (_AC(1, UL) << PAGE_SHIFT)
 #define PAGE_MASK      (~(PAGE_SIZE-1))
 
+#ifndef __ASSEMBLY__
+
+struct page;
+
+#include <linux/types.h>
+#include <asm/vm-flags.h>
+
 /*
  * These are used to make use of C type-checking..
  */
@@ -29,7 +34,7 @@ struct page;
 #if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT)
 
 typedef struct { unsigned long pte_low, pte_high; } pte_t;
-typedef struct { unsigned long long pmd; } pmd_t;
+typedef struct { unsigned long pmd; } pmd_t;
 typedef struct { unsigned long pgd; } pgd_t;
 #define pte_val(x) ((x).pte_low | ((unsigned long long) (x).pte_high << 32))
 
@@ -78,6 +83,8 @@ typedef unsigned long phys_t;
 
 typedef struct { unsigned long pgprot; } pgprot_t;
 
+typedef struct page *pgtable_t;
+
 #define pgd_val(x)     ((x).pgd)
 #define pgprot_val(x)  ((x).pgprot)
 
@@ -105,8 +112,8 @@ extern unsigned long uml_physmem;
 #define __pa(virt) to_phys((void *) (unsigned long) (virt))
 #define __va(phys) to_virt((unsigned long) (phys))
 
-#define phys_to_pfn(p) ((p) >> PAGE_SHIFT)
-#define pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
+#define phys_to_pfn(p) ((pfn_t) ((p) >> PAGE_SHIFT))
+#define pfn_to_phys(pfn) ((phys_t) ((pfn) << PAGE_SHIFT))
 
 #define pfn_valid(pfn) ((pfn) < max_mapnr)
 #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
@@ -117,4 +124,5 @@ extern struct page *arch_validate(struct page *page, gfp_t mask, int order);
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
-#endif
+#endif /* __ASSEMBLY__ */
+#endif /* __UM_PAGE_H */