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_PAE typedef 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 #else typedef 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) #endif typedef 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 */