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Linux Cross Reference
Linux/include/asm-um/page.h

Version: ~ [ 0.6-2.3.46 ] ~
Architecture: ~ [ um ] ~ 
** Warning: Cannot open xref database.

  1 #ifndef __UM_PAGE_H
  2 #define __UM_PAGE_H
  3 
  4 struct page;
  5 
  6 #include "asm/arch/page.h"
  7 
  8 #undef BUG
  9 #undef PAGE_BUG
 10 #undef PAGE_OFFSET
 11 #undef MAP_NR
 12 #undef __pa
 13 #undef __va
 14 
 15 #ifndef __ASSEMBLY__
 16 
 17 extern void stop(void);
 18 
 19 #define BUG() do { \
 20         printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
 21         stop(); \
 22 } while (0)
 23 
 24 #define PAGE_BUG(page) do { \
 25         BUG(); \
 26 } while (0)
 27 
 28 #endif /* __ASSEMBLY__ */
 29 
 30 extern unsigned long physmem;
 31 
 32 #define PAGE_OFFSET     (physmem)
 33 #define MAP_NR(addr)    ((((unsigned long)(addr)) - physmem) >> PAGE_SHIFT)
 34 
 35 #define __va_space (8*1024*1024)
 36 
 37 #define __pa(x) ((unsigned long) ((x) - (physmem)))
 38 #define __va(x) ((void *) ((x) + (physmem)))
 39 
 40 #endif
 41
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