fedora core 6 1.2949 + vserver 2.2.0

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

diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index 8edb69a..ec836f7 100644 (file)
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -1,7 +1,6 @@
 #ifndef _X86_64_PAGE_H
 #define _X86_64_PAGE_H
 
-#include <linux/config.h>
 
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT     12
@@ -11,16 +10,28 @@
 #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__
-#define THREAD_SIZE  (1 << (PAGE_SHIFT + THREAD_ORDER))
-#else
-#define THREAD_SIZE  (1UL << (PAGE_SHIFT + THREAD_ORDER))
-#endif
+#define THREAD_SIZE  (PAGE_SIZE << THREAD_ORDER)
 #define CURRENT_MASK (~(THREAD_SIZE-1))
 
+#define EXCEPTION_STACK_ORDER 0
+#define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER)
+
+#define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1)
+#define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER)
+
+#define IRQSTACK_ORDER 2
+#define IRQSTACKSIZE (PAGE_SIZE << IRQSTACK_ORDER)
+
+#define STACKFAULT_STACK 1
+#define DOUBLEFAULT_STACK 2
+#define NMI_STACK 3
+#define DEBUG_STACK 4
+#define MCE_STACK 5
+#define N_EXCEPTION_STACKS 5  /* hw limit: 7 */
+
 #define LARGE_PAGE_MASK (~(LARGE_PAGE_SIZE-1))
 #define LARGE_PAGE_SIZE (1UL << PMD_SHIFT)
 
@@ -32,6 +43,8 @@
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
+extern unsigned long end_pfn;
+
 void clear_page(void *);
 void copy_page(void *, void *);
 
@@ -63,16 +76,14 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define __pgd(x) ((pgd_t) { (x) } )
 #define __pgprot(x)    ((pgprot_t) { (x) } )
 
-extern unsigned long vm_stack_flags, vm_stack_flags32;
-extern unsigned long vm_data_default_flags, vm_data_default_flags32;
-extern unsigned long vm_force_exec32;
-
-#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__ */
@@ -93,20 +104,6 @@ extern unsigned long vm_force_exec32;
 
 #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)
@@ -122,10 +119,10 @@ extern __inline__ int get_order(unsigned long size)
          __pa(v); })
 
 #define __va(x)                        ((void *)((unsigned long)(x)+PAGE_OFFSET))
-#ifndef CONFIG_DISCONTIGMEM
-#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 __boot_va(x)           __va(x)
+#define __boot_pa(x)           __pa(x)
+#ifdef CONFIG_FLATMEM
+#define pfn_valid(pfn)         ((pfn) < end_pfn)
 #endif
 
 #define virt_to_page(kaddr)    pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
@@ -138,6 +135,13 @@ extern __inline__ int get_order(unsigned long size)
 
 #define __HAVE_ARCH_GATE_AREA 1        
 
+#include <asm-generic/memory_model.h>
+#include <asm-generic/page.h>
+
+#ifndef __ASSEMBLY__
+extern int devmem_is_allowed(unsigned long pagenr);
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* _X86_64_PAGE_H */