x86: rename KERNEL_TEXT_SIZE => KERNEL_IMAGE_SIZE

[sfrench/cifs-2.6.git] / include / asm-x86 / page_64.h

diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index c1ac42d8707f34fe374c6063cc37503b7e4647f4..143546073b958097eef072e4d8849b820995232b 100644 (file)
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -23,6 +23,9 @@
 #define MCE_STACK 5
 #define N_EXCEPTION_STACKS 5  /* hw limit: 7 */
 
+#define PUD_PAGE_SIZE          (_AC(1, UL) << PUD_SHIFT)
+#define PUD_PAGE_MASK          (~(PUD_PAGE_SIZE-1))
+
 #define __PAGE_OFFSET           _AC(0xffff810000000000, UL)
 
 #define __PHYSICAL_START       CONFIG_PHYSICAL_START
@@ -44,8 +47,12 @@
 #define __PHYSICAL_MASK_SHIFT  46
 #define __VIRTUAL_MASK_SHIFT   48
 
-#define KERNEL_TEXT_SIZE  (40*1024*1024)
-#define KERNEL_TEXT_START _AC(0xffffffff80000000, UL)
+/*
+ * Kernel image size is limited to 128 MB (see level2_kernel_pgt in
+ * arch/x86/kernel/head_64.S), and it is mapped here:
+ */
+#define KERNEL_IMAGE_SIZE      (128*1024*1024)
+#define KERNEL_IMAGE_START     _AC(0xffffffff80000000, UL)
 
 #ifndef __ASSEMBLY__
 void clear_page(void *page);
@@ -68,6 +75,8 @@ typedef unsigned long pgdval_t;
 typedef unsigned long  pgprotval_t;
 typedef unsigned long  phys_addr_t;
 
+typedef struct page *pgtable_t;
+
 typedef struct { pteval_t pte; } pte_t;
 
 #define vmemmap ((struct page *)VMEMMAP_START)