[PATCH] skip offline CPUs in show_free_areas

[Christoph Hellwig <hch@lst.de>]

Without this ouput on a box with 8cpus and NR_CPUS=64 looks rather
strange.


Index: mm/page_alloc.c
===================================================================
RCS file: /home/cvs/linux/mm/page_alloc.c,v
retrieving revision 1.113
diff -u -p -r1.113 page_alloc.c
--- mm/page_alloc.c	10 Jan 2004 04:59:57 -0000	1.113
+++ mm/page_alloc.c	10 Feb 2004 13:17:43 -0000
@@ -972,7 +972,13 @@ void show_free_areas(void)
 			printk("\n");
 
 		for (cpu = 0; cpu < NR_CPUS; ++cpu) {
-			struct per_cpu_pageset *pageset = zone->pageset + cpu;
+			struct per_cpu_pageset *pageset;
+	
+			if (!cpu_online(cpu))
+				continue;
+
+			pageset = zone->pageset + cpu;
+
 			for (temperature = 0; temperature < 2; temperature++)
 				printk("cpu %d %s: low %d, high %d, batch %d\n",
 					cpu,
--
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