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804f1594cc
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>
31 lines
757 B
C
31 lines
757 B
C
#ifndef _ASM_IA64_CACHE_H
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#define _ASM_IA64_CACHE_H
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#include <linux/config.h>
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/*
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* Copyright (C) 1998-2000 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*/
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/* Bytes per L1 (data) cache line. */
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#define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT
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#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
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#ifdef CONFIG_SMP
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# define SMP_CACHE_SHIFT L1_CACHE_SHIFT
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# define SMP_CACHE_BYTES L1_CACHE_BYTES
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#else
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/*
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* The "aligned" directive can only _increase_ alignment, so this is
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* safe and provides an easy way to avoid wasting space on a
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* uni-processor:
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*/
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# define SMP_CACHE_SHIFT 3
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# define SMP_CACHE_BYTES (1 << 3)
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#endif
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#define __read_mostly __attribute__((__section__(".data.read_mostly")))
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#endif /* _ASM_IA64_CACHE_H */
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