cache.h (622B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_X86_CACHE_H 3#define _ASM_X86_CACHE_H 4 5#include <linux/linkage.h> 6 7/* L1 cache line size */ 8#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) 9#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) 10 11#define __read_mostly __section(".data..read_mostly") 12 13#define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT 14#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT) 15 16#ifdef CONFIG_X86_VSMP 17#ifdef CONFIG_SMP 18#define __cacheline_aligned_in_smp \ 19 __attribute__((__aligned__(INTERNODE_CACHE_BYTES))) \ 20 __page_aligned_data 21#endif 22#endif 23 24#endif /* _ASM_X86_CACHE_H */