?? mm.h
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#ifndef _MM_H#define _MM_H#define PAGE_SIZE 4096#include <linux/kernel.h>#include <signal.h>extern int SWAP_DEV;#define read_swap_page(nr,buffer) ll_rw_page(READ,SWAP_DEV,(nr),(buffer));#define write_swap_page(nr,buffer) ll_rw_page(WRITE,SWAP_DEV,(nr),(buffer));extern unsigned long get_free_page(void);extern unsigned long put_dirty_page(unsigned long page,unsigned long address);extern void free_page(unsigned long addr);void swap_free(int page_nr);void swap_in(unsigned long *table_ptr);extern inline volatile void oom(void){ printk("out of memory\n\r"); do_exit(SIGSEGV);}#define invalidate() \__asm__("movl %%eax,%%cr3"::"a" (0))/* these are not to be changed without changing head.s etc */#define LOW_MEM 0x100000extern unsigned long HIGH_MEMORY;#define PAGING_MEMORY (15*1024*1024)#define PAGING_PAGES (PAGING_MEMORY>>12)#define MAP_NR(addr) (((addr)-LOW_MEM)>>12)#define USED 100extern unsigned char mem_map [ PAGING_PAGES ];#define PAGE_DIRTY 0x40#define PAGE_ACCESSED 0x20#define PAGE_USER 0x04#define PAGE_RW 0x02#define PAGE_PRESENT 0x01#endif?? 快捷鍵說明
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