LXR linux/arch/ia64/include/asm/shmparam.h

   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