-#ifndef _I386_PAGE_H
-#define _I386_PAGE_H
+#ifndef _ASM_X86_PAGE_32_H
+#define _ASM_X86_PAGE_32_H
+
+/*
+ * This handles the memory map.
+ *
+ * A __PAGE_OFFSET of 0xC0000000 means that the kernel has
+ * a virtual address space of one gigabyte, which limits the
+ * amount of physical memory you can use to about 950MB.
+ *
+ * If you want more physical memory than this then see the CONFIG_HIGHMEM4G
+ * and CONFIG_HIGHMEM64G options in the kernel configuration.
+ */
+#define __PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL)
+
+#ifdef CONFIG_X86_PAE
+#define __PHYSICAL_MASK_SHIFT 36
+#define __VIRTUAL_MASK_SHIFT 32
+#define PAGETABLE_LEVELS 3
-#ifdef __KERNEL__
#ifndef __ASSEMBLY__
+typedef u64 pteval_t;
+typedef u64 pmdval_t;
+typedef u64 pudval_t;
+typedef u64 pgdval_t;
+typedef u64 pgprotval_t;
+typedef u64 phys_addr_t;
-/*
- * These are used to make use of C type-checking..
+typedef union {
+ struct {
+ unsigned long pte_low, pte_high;
+ };
+ pteval_t pte;
+} pte_t;
+#endif /* __ASSEMBLY__
*/
-extern int nx_enabled;
+#else /* !CONFIG_X86_PAE */
+#define __PHYSICAL_MASK_SHIFT 32
+#define __VIRTUAL_MASK_SHIFT 32
+#define PAGETABLE_LEVELS 2
-#endif /* !__ASSEMBLY__ */
+#ifndef __ASSEMBLY__
+typedef unsigned long pteval_t;
+typedef unsigned long pmdval_t;
+typedef unsigned long pudval_t;
+typedef unsigned long pgdval_t;
+typedef unsigned long pgprotval_t;
+typedef unsigned long phys_addr_t;
+
+typedef union {
+ pteval_t pte;
+ pteval_t pte_low;
+} pte_t;
+
+#endif /* __ASSEMBLY__ */
+#endif /* CONFIG_X86_PAE */
#ifndef __ASSEMBLY__
+typedef struct page *pgtable_t;
+#endif
-struct vm_area_struct;
+#ifdef CONFIG_HUGETLB_PAGE
+#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+#endif
+
+#ifndef __ASSEMBLY__
+#define __phys_addr(x) ((x) - PAGE_OFFSET)
+#define __phys_reloc_hide(x) RELOC_HIDE((x), 0)
+
+#ifdef CONFIG_FLATMEM
+#define pfn_valid(pfn) ((pfn) < max_mapnr)
+#endif /* CONFIG_FLATMEM */
+
+extern int nx_enabled;
/*
* This much address space is reserved for vmalloc() and iomap()
* as well as fixmap mappings.
*/
extern unsigned int __VMALLOC_RESERVE;
-
extern int sysctl_legacy_va_layout;
-extern int page_is_ram(unsigned long pagenr);
+#define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE)
+#define MAXMEM (-__PAGE_OFFSET - __VMALLOC_RESERVE)
-#endif /* __ASSEMBLY__ */
+#ifdef CONFIG_X86_USE_3DNOW
+#include <asm/mmx.h>
-#define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE)
-#define MAXMEM (-__PAGE_OFFSET-__VMALLOC_RESERVE)
-#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
-/* __pa_symbol should be used for C visible symbols.
- This seems to be the official gcc blessed way to do such arithmetic. */
-#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0))
-#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
-#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
-#ifdef CONFIG_FLATMEM
-#define pfn_valid(pfn) ((pfn) < max_mapnr)
-#endif /* CONFIG_FLATMEM */
-#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+static inline void clear_page(void *page)
+{
+ mmx_clear_page(page);
+}
-#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
+static inline void copy_page(void *to, void *from)
+{
+ mmx_copy_page(to, from);
+}
+#else /* !CONFIG_X86_USE_3DNOW */
+#include <linux/string.h>
-#include <asm-generic/memory_model.h>
-#include <asm-generic/page.h>
+static inline void clear_page(void *page)
+{
+ memset(page, 0, PAGE_SIZE);
+}
-#define __HAVE_ARCH_GATE_AREA 1
-#endif /* __KERNEL__ */
+static inline void copy_page(void *to, void *from)
+{
+ memcpy(to, from, PAGE_SIZE);
+}
+#endif /* CONFIG_X86_3DNOW */
+#endif /* !__ASSEMBLY__ */
-#endif /* _I386_PAGE_H */
+#endif /* _ASM_X86_PAGE_32_H */