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slub: Fixes to per cpu stat output in sysfs

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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>
This commit is contained in:
Christoph Lameter 2008-04-14 18:52:05 +03:00 committed by Pekka Enberg
parent 5b06c853ad
commit 50ef37b96c
1 changed files with 3 additions and 1 deletions
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4
mm/slub.c
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@ -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");
}