aboutsummaryrefslogtreecommitdiff
path: root/arch/ia64/include/asm/shmparam.h
blob: d07508dc54ae6962bbb432fd92f0728aa9e26346 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
#ifndef _ASM_IA64_SHMPARAM_H
#define _ASM_IA64_SHMPARAM_H

/*
 * SHMLBA controls minimum alignment at which shared memory segments
 * get attached.  The IA-64 architecture says that there may be a
 * performance degradation when there are virtual aliases within 1MB.
 * To reduce the chance of this, we set SHMLBA to 1MB. --davidm 00/12/20
 */
#define	SHMLBA	(1024*1024)

#endif /* _ASM_IA64_SHMPARAM_H */