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authorPekka Enberg <penberg@cs.helsinki.fi>2008-04-28 02:12:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 08:58:19 -0700
commit1b27d05b6e21249d2338be26dfcbe8f8d8ff8a5b (patch)
treec5413d5f64efed1aa84bfa0ab718f1e2a2f6f9cb /include
parent19fc3f0acde32636529969570055c7e2a744787c (diff)
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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')
-rw-r--r--include/linux/cache.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 4552504c0228..97e24881c4c6 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 */