From: Adrian Bunk <bunk@stusta.de>

This can make the intent behind some arithmetic expressions clearer.

Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/linux/types.h |    2 ++
 1 files changed, 2 insertions(+)

diff -puN include/linux/types.h~define-bits_per_byte include/linux/types.h
--- 25/include/linux/types.h~define-bits_per_byte	Wed Jan  4 15:38:44 2006
+++ 25-akpm/include/linux/types.h	Wed Jan  4 15:38:44 2006
@@ -8,6 +8,8 @@
 	(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
 #define DECLARE_BITMAP(name,bits) \
 	unsigned long name[BITS_TO_LONGS(bits)]
+
+#define BITS_PER_BYTE 8
 #endif
 
 #include <linux/posix_types.h>
_