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      1 #ifndef _ASM_X86_64_VSYSCALL_H_
      2 #define _ASM_X86_64_VSYSCALL_H_
      3 
      4 enum vsyscall_num {
      5 	__NR_vgettimeofday,
      6 	__NR_vtime,
      7 	__NR_vgetcpu,
      8 };
      9 
     10 #define VSYSCALL_START (-10UL << 20)
     11 #define VSYSCALL_SIZE 1024
     12 #define VSYSCALL_END (-2UL << 20)
     13 #define VSYSCALL_MAPPED_PAGES 1
     14 #define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
     15 
     16 
     17 #endif /* _ASM_X86_64_VSYSCALL_H_ */
     18