From b4ef0296f214a1e0e65f161f88663b0ca1acca31 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Sun, 15 Jul 2007 23:39:51 -0700
Subject: [PATCH] percpu_counters: use for_each_online_cpu()
Now that we have implemented hotunplug-time counter spilling,
percpu_counter_sum() only needs to look at online CPUs.
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
lib/percpu_counter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 8901c4e9c2e6d..cf22c617baa44 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -45,7 +45,7 @@ s64 percpu_counter_sum(struct percpu_counter *fbc)
spin_lock(&fbc->lock);
ret = fbc->count;
- for_each_possible_cpu(cpu) {
+ for_each_online_cpu(cpu) {
s32 *pcount = per_cpu_ptr(fbc->counters, cpu);
ret += *pcount;
}
--
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