cache.h

 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 */