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authorJeremy Fitzhardinge <jeremy@goop.org>2008-01-30 13:32:44 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:44 +0100
commite62f4473f32a882a537b32cb7202da8d5d7c4f1f (patch)
treed407a2b5bda90cfc999b763f7398e7f50a087b5a /include/asm-x86/page.h
parentx86: page.h: move pa and va related things (diff)
downloadlinux-e62f4473f32a882a537b32cb7202da8d5d7c4f1f.tar.xz
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x86: page.h: move remaining bits and pieces
# HG changeset patch # User Jeremy Fitzhardinge <jeremy@xensource.com> # Date 1199319657 28800 # Node ID bba9287641ff90e836d090d80b5c0a846aab7162 # Parent d617b72a0cc9d14bde2087d065c36d4ed3265761 x86: page.h: move remaining bits and pieces Move the remaining odds and ends into page.h. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/page.h')
-rw-r--r--include/asm-x86/page.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 9830eeb57173..f65a2ae6e323 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -80,6 +80,10 @@
void clear_page(void *page);
void copy_page(void *to, void *from);
+extern unsigned long end_pfn;
+extern unsigned long end_pfn_map;
+extern unsigned long phys_base;
+
extern unsigned long __phys_addr(unsigned long);
#define __phys_reloc_hide(x) (x)
@@ -98,6 +102,8 @@ typedef struct { pteval_t pte; } pte_t;
#define native_pte_val(x) ((x).pte)
#define native_make_pte(x) ((pte_t) { (x) } )
+#define vmemmap ((struct page *)VMEMMAP_START)
+
#endif /* !__ASSEMBLY__ */
#endif /* CONFIG_X86_64 */
@@ -184,6 +190,19 @@ static inline pte_t native_make_pte(unsigned long val)
#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)
+
#ifdef CONFIG_X86_USE_3DNOW
#include <asm/mmx.h>
@@ -325,6 +344,10 @@ static inline pmdval_t native_pmd_val(pmd_t pmd)
#endif /* __ASSEMBLY__ */
+#include <asm-generic/memory_model.h>
+#include <asm-generic/page.h>
+
+#define __HAVE_ARCH_GATE_AREA 1
#ifdef CONFIG_X86_32
# include "page_32.h"