enums

[Manik Raina <manik@cisco.com>]

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is there a particular reason we dislike constructs as attached in the
diffs below ?
with enums, we dont have to increment MAX_NR_ZONES everytime a new one
is added .

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diff -u -r -U 6 cmp/include/linux/mmzone.h linux-2.5.24/include/linux/mmzone.h
--- cmp/include/linux/mmzone.h	Fri Jun 21 04:23:42 2002
+++ linux-2.5.24/include/linux/mmzone.h	Thu Jun 27 18:00:25 2002
@@ -88,16 +88,21 @@
 	 * rarely used fields:
 	 */
 	char			*name;
 	unsigned long		size;
 } zone_t;
 
-#define ZONE_DMA		0
-#define ZONE_NORMAL		1
-#define ZONE_HIGHMEM		2
-#define MAX_NR_ZONES		3
+enum zone_type {
+
+     ZONE_DMA,
+     ZONE_NORMAL,
+     ZONE_HIGHMEM,		
+     MAX_NR_ZONES,	
+
+};
+
 
 /*
  * One allocation request operates on a zonelist. A zonelist
  * is a list of zones, the first one is the 'goal' of the
  * allocation, the other zones are fallback zones, in decreasing
  * priority.