| #ifndef _X86_64_PAGE_H |
| #define _X86_64_PAGE_H |
| |
| #ifdef __KERNEL__ |
| #ifndef __ASSEMBLY__ |
| |
| extern unsigned long end_pfn; |
| extern unsigned long end_pfn_map; |
| |
| |
| extern unsigned long phys_base; |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <asm/bug.h> |
| |
| extern unsigned long __phys_addr(unsigned long); |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #define __pa(x) __phys_addr((unsigned long)(x)) |
| #define __pa_symbol(x) __phys_addr((unsigned long)(x)) |
| |
| #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) |
| #define __boot_va(x) __va(x) |
| #define __boot_pa(x) __pa(x) |
| |
| #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 __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 */ |