xref: /openbmc/linux/arch/ia64/include/asm/shmparam.h (revision add48ba4)
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 */
14