Merge ../torvalds-2.6/

[pandora-kernel.git] / include / asm-x86_64 / page.h

diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index 60130f4..e5ab4d2 100644 (file)
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -28,11 +28,12 @@
 #define HPAGE_SIZE     ((1UL) << HPAGE_SHIFT)
 #define HPAGE_MASK     (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER     (HPAGE_SHIFT - PAGE_SHIFT)
-#define ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
+extern unsigned long end_pfn;
+
 void clear_page(void *);
 void copy_page(void *, void *);
 
@@ -64,12 +65,14 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define __pgd(x) ((pgd_t) { (x) } )
 #define __pgprot(x)    ((pgprot_t) { (x) } )
 
-#define __START_KERNEL         0xffffffff80100000UL
+#define __PHYSICAL_START       ((unsigned long)CONFIG_PHYSICAL_START)
+#define __START_KERNEL         (__START_KERNEL_map + __PHYSICAL_START)
 #define __START_KERNEL_map     0xffffffff80000000UL
 #define __PAGE_OFFSET           0xffff810000000000UL
 
 #else
-#define __START_KERNEL         0xffffffff80100000
+#define __PHYSICAL_START       CONFIG_PHYSICAL_START
+#define __START_KERNEL         (__START_KERNEL_map + __PHYSICAL_START)
 #define __START_KERNEL_map     0xffffffff80000000
 #define __PAGE_OFFSET           0xffff810000000000
 #endif /* !__ASSEMBLY__ */
@@ -90,20 +93,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #include <asm/bug.h>
 
-/* 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;
-}
-
 #endif /* __ASSEMBLY__ */
 
 #define PAGE_OFFSET            ((unsigned long)__PAGE_OFFSET)
@@ -124,7 +113,7 @@ extern __inline__ int get_order(unsigned long size)
 #ifdef CONFIG_FLATMEM
 #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)
+#define pfn_valid(pfn)         ((pfn) < end_pfn)
 #endif
 
 #define virt_to_page(kaddr)    pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
@@ -139,4 +128,6 @@ extern __inline__ int get_order(unsigned long size)
 
 #endif /* __KERNEL__ */
 
+#include <asm-generic/page.h>
+
 #endif /* _X86_64_PAGE_H */