percpu_counter.h: comment code for better readability

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>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index b9df9ed1adc0..d5dd4657c8d6 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;