linux/include/asm-x86_64/cache.h
Kyle McMartin 804f1594cc [PATCH] Move read_mostly definition to asm/cache.h
Seems like needless clutter having a bunch of #if defined(CONFIG_$ARCH) in
include/linux/cache.h.  Move the per architecture section definition to
asm/cache.h, and keep the if-not-defined dummy case in linux/cache.h to
catch architectures which don't implement the section.

Verified that symbols still go in .data.read_mostly on parisc,
and the compile doesn't break.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-23 07:38:10 -08:00

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C

/*
* include/asm-x8664/cache.h
*/
#ifndef __ARCH_X8664_CACHE_H
#define __ARCH_X8664_CACHE_H
#include <linux/config.h>
/* L1 cache line size */
#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
#ifdef CONFIG_X86_VSMP
/* vSMP Internode cacheline shift */
#define INTERNODE_CACHE_SHIFT (12)
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp \
__attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \
__attribute__((__section__(".data.page_aligned")))
#endif
#define __read_mostly __attribute__((__section__(".data.read_mostly")))
#endif
#endif