asm/page.h 的文件内容

linux下高版本的内核已经没有 asm/page.h了

如果导入了这个头文件会报错。

解决方法,去掉 #include <asm/page.h>即可

或者是自己写个 page.h，然后 #include “page.h”

编译就好.

page.h的内容为:

#ifndef _I386_PAGE_H#define _I386_PAGE_H/* PAGE_SHIFT determines the page size */#define PAGE_SHIFT 12#define PAGE_SIZE (1UL << PAGE_SHIFT)#define PAGE_MASK (~(PAGE_SIZE-1))#define LARGE_PAGE_MASK (~(LARGE_PAGE_SIZE-1))#define LARGE_PAGE_SIZE (1UL << PMD_SHIFT)#ifdef __KERNEL__#ifndef __ASSEMBLY__#include <linux/config.h>#ifdef CONFIG_X86_USE_3DNOW#include <asm/mmx.h>#define clear_page(page) mmx_clear_page((void *)(page))#define copy_page(to,from) mmx_copy_page(to,from)#else/** On older X86 processors it’s not a win to use MMX here it seems.* Maybe the K6-III ?*/#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)#endif#define clear_user_page(page, vaddr, pg) clear_page(page)#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)/** These are used to make use of C type-checking..*/#ifdef CONFIG_X86_PAEtypedef struct { unsigned long pte_low, pte_high; } pte_t;typedef struct { unsigned long long pmd; } pmd_t;typedef struct { unsigned long long pgd; } pgd_t;#define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))#define HPAGE_SHIFT 21#elsetypedef struct { unsigned long pte_low; } pte_t;typedef struct { unsigned long pmd; } pmd_t;typedef struct { unsigned long pgd; } pgd_t;#define boot_pte_t pte_t /* or would you rather have a typedef */#define pte_val(x) ((x).pte_low)#define HPAGE_SHIFT 22#endif#define PTE_MASK PAGE_MASK#ifdef CONFIG_HUGETLB_PAGE#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT)#define HPAGE_MASK (~(HPAGE_SIZE – 1))#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT – PAGE_SHIFT)#endiftypedef struct { unsigned long pgprot; } pgprot_t;#define pmd_val(x) ((x).pmd)#define pgd_val(x) ((x).pgd)#define pgprot_val(x) ((x).pgprot)#define __pte(x) ((pte_t) { (x) } )#define __pmd(x) ((pmd_t) { (x) } )#define __pgd(x) ((pgd_t) { (x) } )#define __pgprot(x) ((pgprot_t) { (x) } )#endif /* !__ASSEMBLY__ *//* to align the pointer to the (next) page boundary */#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)/** This handles the memory map.. We could make this a config* option, but too many people screw it up, and too few need* it.** 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.*//** This much address space is reserved for vmalloc() and iomap()* as well as fixmap mappings.*/#define __VMALLOC_RESERVE (128 << 20)#ifndef __ASSEMBLY__/* Pure 2^n version of get_order */static __inline__ int get_order(unsigned long size){int order;size = (size-1) >> (PAGE_SHIFT-1);order = -1;do { size >>= 1; order++;} while (size);return order;}#endif /* __ASSEMBLY__ */#ifdef __ASSEMBLY__#define __PAGE_OFFSET (0xC0000000)#else#define __PAGE_OFFSET (0xC0000000UL)#endif#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)#define VMALLOC_RESERVE ((unsigned long)__VMALLOC_RESERVE)#define MAXMEM (-__PAGE_OFFSET-__VMALLOC_RESERVE)#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)#ifndef CONFIG_DISCONTIGMEM#define pfn_to_page(pfn) (mem_map + (pfn))#define page_to_pfn(page) ((unsigned long)((page) – mem_map))#define pfn_valid(pfn) ((pfn) < max_mapnr)#endif /* !CONFIG_DISCONTIGMEM */#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | / VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)#endif /* __KERNEL__ */#endif /* _I386_PAGE_H */

没有口水与汗水，就没有成功的泪水。