From: Christoph Lameter <clameter@sgi.com>
Date: Mon, 14 Apr 2008 15:52:05 +0000 (+0300)
Subject: slub: Fixes to per cpu stat output in sysfs
X-Git-Tag: v2.6.26-rc1~1159^2~2
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=50ef37b96c11e76625067ae413dc54585ea22585;p=linux-2.6-omap-h63xx.git

slub: Fixes to per cpu stat output in sysfs

Only output per cpu stats if the kernel is build for SMP.

Use a capital "C" as a leading character for the processor number
(same as the numa statistics that also use a capital letter "N").

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---

diff --git a/mm/slub.c b/mm/slub.c
index 3fcdcf7d77b..23e5ee7b149 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3979,10 +3979,12 @@ static int show_stat(struct kmem_cache *s, char *buf, enum stat_item si)
 
 	len = sprintf(buf, "%lu", sum);
 
+#ifdef CONFIG_SMP
 	for_each_online_cpu(cpu) {
 		if (data[cpu] && len < PAGE_SIZE - 20)
-			len += sprintf(buf + len, " c%d=%u", cpu, data[cpu]);
+			len += sprintf(buf + len, " C%d=%u", cpu, data[cpu]);
 	}
+#endif
 	kfree(data);
 	return len + sprintf(buf + len, "\n");
 }