[PATCH] quieten zone_pcp_init

[Anton Blanchard <anton@samba.org>]

In zone_pcp_init we print out all zones even if they are empty:

On node 0 totalpages: 245760
  DMA zone: 245760 pages, LIFO batch:31
  DMA32 zone: 0 pages, LIFO batch:0
  Normal zone: 0 pages, LIFO batch:0
  HighMem zone: 0 pages, LIFO batch:0

To conserve dmesg space why not print only the non zero zones.

Signed-off-by: Anton Blanchard <anton@samba.org>
---

Index: build/mm/page_alloc.c
===================================================================
--- build.orig/mm/page_alloc.c	2006-03-25 16:26:58.000000000 +1100
+++ build/mm/page_alloc.c	2006-03-25 16:27:06.000000000 +1100
@@ -2029,8 +2029,9 @@ static __meminit void zone_pcp_init(stru
 		setup_pageset(zone_pcp(zone,cpu), batch);
 #endif
 	}
-	printk(KERN_DEBUG "  %s zone: %lu pages, LIFO batch:%lu\n",
-		zone->name, zone->present_pages, batch);
+	if (zone->present_pages)
+		printk(KERN_DEBUG "  %s zone: %lu pages, LIFO batch:%lu\n",
+			zone->name, zone->present_pages, batch);
 }
 
 static __meminit void init_currently_empty_zone(struct zone *zone,
-
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