diff options
Diffstat (limited to 'include/asm-x86/page.h')
| -rw-r--r-- | include/asm-x86/page.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index 9830eeb5717..f65a2ae6e32 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" |