| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_IA64_CACHE_H |
| #define _ASM_IA64_CACHE_H |
| |
| |
| /* |
| * Copyright (C) 1998-2000 Hewlett-Packard Co |
| * David Mosberger-Tang <davidm@hpl.hp.com> |
| */ |
| |
| /* Bytes per L1 (data) cache line. */ |
| #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT |
| #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) |
| |
| #ifdef CONFIG_SMP |
| # define SMP_CACHE_SHIFT L1_CACHE_SHIFT |
| # define SMP_CACHE_BYTES L1_CACHE_BYTES |
| #else |
| /* |
| * The "aligned" directive can only _increase_ alignment, so this is |
| * safe and provides an easy way to avoid wasting space on a |
| * uni-processor: |
| */ |
| # define SMP_CACHE_SHIFT 3 |
| # define SMP_CACHE_BYTES (1 << 3) |
| #endif |
| |
| #define __read_mostly __attribute__((__section__(".data..read_mostly"))) |
| |
| #endif /* _ASM_IA64_CACHE_H */ |
