arch/ia64/include/asm/shmparam.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_IA64_SHMPARAM_H
   3 #define _ASM_IA64_SHMPARAM_H
   4
   5 /*
   6  * SHMLBA controls minimum alignment at which shared memory segments
   7  * get attached.  The IA-64 architecture says that there may be a
   8  * performance degradation when there are virtual aliases within 1MB.
   9  * To reduce the chance of this, we set SHMLBA to 1MB. --davidm 00/12/20
  10  */
  11 #define SHMLBA  (1024*1024)
  12
  13 #endif /* _ASM_IA64_SHMPARAM_H */