Commit b4ef0296 authored Jul 15, 2007 by Andrew Morton Committed by Linus Torvalds Jul 16, 2007

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>

parent c67ad917

lib/percpu_counter.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}