cache.h (752B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_IA64_CACHE_H 3#define _ASM_IA64_CACHE_H 4 5 6/* 7 * Copyright (C) 1998-2000 Hewlett-Packard Co 8 * David Mosberger-Tang <davidm@hpl.hp.com> 9 */ 10 11/* Bytes per L1 (data) cache line. */ 12#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT 13#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) 14 15#ifdef CONFIG_SMP 16# define SMP_CACHE_SHIFT L1_CACHE_SHIFT 17# define SMP_CACHE_BYTES L1_CACHE_BYTES 18#else 19 /* 20 * The "aligned" directive can only _increase_ alignment, so this is 21 * safe and provides an easy way to avoid wasting space on a 22 * uni-processor: 23 */ 24# define SMP_CACHE_SHIFT 3 25# define SMP_CACHE_BYTES (1 << 3) 26#endif 27 28#define __read_mostly __section(".data..read_mostly") 29 30#endif /* _ASM_IA64_CACHE_H */