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C/C++ Source or Header  |  2008-12-24  |  406 b   |  13 lines
  1. #ifndef _ASM_IA64_SHMPARAM_H
  2. #define _ASM_IA64_SHMPARAM_H
  3.  
  4. /*
  5.  * SHMLBA controls minimum alignment at which shared memory segments
  6.  * get attached.  The IA-64 architecture says that there may be a
  7.  * performance degradation when there are virtual aliases within 1MB.
  8.  * To reduce the chance of this, we set SHMLBA to 1MB. --davidm 00/12/20
  9.  */
  10. #define    SHMLBA    (1024*1024)
  11.  
  12. #endif /* _ASM_IA64_SHMPARAM_H */
  13.