acrn-kernel/include/asm-ia64/shmparam.h

13 lines
406 B
C

#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 */