[FLS64]: generic version

[linux-2.6] / include / asm-x86_64 / page.h

diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index 135ffaa0393b4d8aa5559241d0f512fb61251742..06e489f32472ed0c3241aa651d59a4005b2160cc 100644 (file)
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -11,7 +11,7 @@
 #define PAGE_SIZE      (1UL << PAGE_SHIFT)
 #endif
 #define PAGE_MASK      (~(PAGE_SIZE-1))
-#define PHYSICAL_PAGE_MASK     (~(PAGE_SIZE-1) & (__PHYSICAL_MASK << PAGE_SHIFT))
+#define PHYSICAL_PAGE_MASK     (~(PAGE_SIZE-1) & __PHYSICAL_MASK)
 
 #define THREAD_ORDER 1 
 #ifdef __ASSEMBLY__
@@ -32,6 +32,8 @@
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
+extern unsigned long end_pfn;
+
 void clear_page(void *);
 void copy_page(void *, void *);
 
@@ -111,7 +113,7 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #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)