https://github.com/torvalds/linux
Raw File
Tip revision: da0c9ea146cbe92b832f1b0f694840ea8eb33cce authored by Linus Torvalds on 06 October 2019, 21:27:30 UTC
Linux 5.4-rc2
Tip revision: da0c9ea
shmparam.h
/* SPDX-License-Identifier: GPL-2.0 */
#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 */
back to top