[TRIVIAL PATCH V2] Doc: percpu_counter doc code for better readability

[Jesper Dangaard Brouer <brouer@redhat.com>]

Help people reading the percpu_counter code, to notice the ifdef
else statement that seperates CONFIG_SMP.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
---

 include/linux/percpu_counter.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index b9df9ed..d5dd465 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -83,7 +83,7 @@ static inline int percpu_counter_initialized(struct percpu_counter *fbc)
 	return (fbc->counters != NULL);
 }
 
-#else
+#else /* !CONFIG_SMP */
 
 struct percpu_counter {
 	s64 count;