| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ | ||||