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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2008-04-28 02:12:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-28 08:58:19 -0700 |
| commit | 1b27d05b6e21249d2338be26dfcbe8f8d8ff8a5b (patch) | |
| tree | c5413d5f64efed1aa84bfa0ab718f1e2a2f6f9cb /include/linux/cache.h | |
| parent | 19fc3f0acde32636529969570055c7e2a744787c (diff) | |
| download | op-kernel-dev-1b27d05b6e21249d2338be26dfcbe8f8d8ff8a5b.zip op-kernel-dev-1b27d05b6e21249d2338be26dfcbe8f8d8ff8a5b.tar.gz | |
mm: move cache_line_size() to <linux/cache.h>
Not all architectures define cache_line_size() so as suggested by Andrew move
the private implementations in mm/slab.c and mm/slob.c to <linux/cache.h>.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cache.h')
| -rw-r--r-- | include/linux/cache.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cache.h b/include/linux/cache.h index 4552504..97e2488 100644 --- a/include/linux/cache.h +++ b/include/linux/cache.h @@ -60,4 +60,8 @@ #endif #endif +#ifndef CONFIG_ARCH_HAS_CACHE_LINE_SIZE +#define cache_line_size() L1_CACHE_BYTES +#endif + #endif /* __LINUX_CACHE_H */ |
