Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
[linux-2.6] / include / asm-x86_64 / cache.h
1 /*
2  * include/asm-x86_64/cache.h
3  */
4 #ifndef __ARCH_X8664_CACHE_H
5 #define __ARCH_X8664_CACHE_H
6
7
8 /* L1 cache line size */
9 #define L1_CACHE_SHIFT  (CONFIG_X86_L1_CACHE_SHIFT)
10 #define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
11
12 #ifdef CONFIG_X86_VSMP
13
14 /* vSMP Internode cacheline shift */
15 #define INTERNODE_CACHE_SHIFT (12)
16 #ifdef CONFIG_SMP
17 #define __cacheline_aligned_in_smp                                      \
18        __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))         \
19        __attribute__((__section__(".data.page_aligned")))
20 #endif
21
22 #endif
23
24 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
25
26 #endif