diff -Nur --exclude-from=/usr/src/.dontdiff linux-2.5.59-vanilla/include/linux/types.h linux-2.5.59-bitmap_fix/include/linux/types.h
--- linux-2.5.59-vanilla/include/linux/types.h	Thu Jan 16 18:22:41 2003
+++ linux-2.5.59-bitmap_fix/include/linux/types.h	Thu Feb  6 13:51:23 2003
@@ -4,10 +4,12 @@
 #ifdef	__KERNEL__
 #include <linux/config.h>
 
+#define BITS_TO_LONGS(bits) \
+	(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
 #define DECLARE_BITMAP(name,bits) \
-	unsigned long name[((bits)+BITS_PER_LONG-1)/BITS_PER_LONG]
+	unsigned long name[BITS_TO_LONGS(bits)]
 #define CLEAR_BITMAP(name,bits) \
-	memset(name, 0, ((bits)+BITS_PER_LONG-1)/8)
+	memset(name, 0, BITS_TO_LONGS(bits)*sizeof(unsigned long))
 #endif
 
 #include <linux/posix_types.h>