Merge branch 'for-2.6.31' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

[pandora-kernel.git] / arch / x86 / include / asm / page_64_types.h

diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 6fadb02..7639dbf 100644 (file)
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -32,24 +32,16 @@
  */
 #define __PAGE_OFFSET           _AC(0xffff880000000000, UL)
 
-#define __PHYSICAL_START       CONFIG_PHYSICAL_START
-#define __KERNEL_ALIGN         0x200000
-
-/*
- * Make sure kernel is aligned to 2MB address. Catching it at compile
- * time is better. Change your config file and compile the kernel
- * for a 2MB aligned address (CONFIG_PHYSICAL_START)
- */
-#if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0
-#error "CONFIG_PHYSICAL_START must be a multiple of 2MB"
-#endif
+#define __PHYSICAL_START       ((CONFIG_PHYSICAL_START +               \
+                                 (CONFIG_PHYSICAL_ALIGN - 1)) &        \
+                                ~(CONFIG_PHYSICAL_ALIGN - 1))
 
 #define __START_KERNEL         (__START_KERNEL_map + __PHYSICAL_START)
 #define __START_KERNEL_map     _AC(0xffffffff80000000, UL)
 
 /* See Documentation/x86/x86_64/mm.txt for a description of the memory map. */
 #define __PHYSICAL_MASK_SHIFT  46
-#define __VIRTUAL_MASK_SHIFT   48
+#define __VIRTUAL_MASK_SHIFT   47
 
 /*
  * Kernel image size is limited to 512 MB (see level2_kernel_pgt in