x86: page.h: unify constants

[deliverable/linux.git] / include / asm-x86 / page_64.h

diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index 88adf1afb0a28ce66caac316f8d997c99c569a03..69ef7cf9dadd0f36cec98dc704661a8976e37cbf 100644 (file)
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -1,52 +1,28 @@
 #ifndef _X86_64_PAGE_H
 #define _X86_64_PAGE_H
 
-#include <linux/const.h>
-
-/* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT     12
-#define PAGE_SIZE      (_AC(1,UL) << PAGE_SHIFT)
-#define PAGE_MASK      (~(PAGE_SIZE-1))
-#define PHYSICAL_PAGE_MASK     (~(PAGE_SIZE-1) & __PHYSICAL_MASK)
-
-#define THREAD_ORDER 1 
-#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 (_AC(1,UL) << PMD_SHIFT)
-
-#define HPAGE_SHIFT PMD_SHIFT
-#define HPAGE_SIZE     (_AC(1,UL) << HPAGE_SHIFT)
-#define HPAGE_MASK     (~(HPAGE_SIZE - 1))
-#define HUGETLB_PAGE_ORDER     (HPAGE_SHIFT - PAGE_SHIFT)
-
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
 extern unsigned long end_pfn;
+extern unsigned long end_pfn_map;
+
+void clear_page(void *page);
+void copy_page(void *to, void *from);
+
+struct page;
 
-void clear_page(void *);
-void copy_page(void *, void *);
+static void inline clear_user_page(void *page, unsigned long vaddr,
+                               struct page *pg)
+{
+       clear_page(page);
+}
 
-#define clear_user_page(page, vaddr, pg)       clear_page(page)
-#define copy_user_page(to, from, vaddr, pg)    copy_page(to, from)
+static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
+                               struct page *topage)
+{
+       copy_page(to, from);
+}
 
 #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
        alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
@@ -78,35 +54,6 @@ extern unsigned long phys_base;
 
 #endif /* !__ASSEMBLY__ */
 
-#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 __START_KERNEL         (__START_KERNEL_map + __PHYSICAL_START)
-#define __START_KERNEL_map     _AC(0xffffffff80000000, UL)
-#define __PAGE_OFFSET           _AC(0xffff810000000000, UL)
-
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr)       (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-
-/* See Documentation/x86_64/mm.txt for a description of the memory map. */
-#define __PHYSICAL_MASK_SHIFT  46
-#define __PHYSICAL_MASK                ((_AC(1,UL) << __PHYSICAL_MASK_SHIFT) - 1)
-#define __VIRTUAL_MASK_SHIFT   48
-#define __VIRTUAL_MASK         ((_AC(1,UL) << __VIRTUAL_MASK_SHIFT) - 1)
-
-#define KERNEL_TEXT_SIZE  (40*1024*1024)
-#define KERNEL_TEXT_START _AC(0xffffffff80000000, UL)
-#define PAGE_OFFSET            __PAGE_OFFSET
-
 #ifndef __ASSEMBLY__
 
 #include <asm/bug.h>
@@ -121,23 +68,22 @@ extern unsigned long __phys_addr(unsigned long);
 #define __va(x)                        ((void *)((unsigned long)(x)+PAGE_OFFSET))
 #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)
 #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
 #define pfn_to_kaddr(pfn)      __va((pfn) << PAGE_SHIFT)
 
-#define VM_DATA_DEFAULT_FLAGS \
-       (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
-        VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
 #define __HAVE_ARCH_GATE_AREA 1        
+#define vmemmap ((struct page *)VMEMMAP_START)
 
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
 #endif /* __KERNEL__ */
 
+#ifdef CONFIG_FLATMEM
+#define pfn_valid(pfn)          ((pfn) < end_pfn)
+#endif
+
+
 #endif /* _X86_64_PAGE_H */