percpu: fix a mismatch between code and comment

When pcpu_build_alloc_info() searches best_upa value, it ignores current value
if the number of waste units exceeds 1/3 of the number of total cpus. But the
comment on the code says that it will ignore if wastage is over 25%.
Modify the comment.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/percpu.c b/mm/percpu.c
index a1830d8e3318..58c572b18b07 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1164,7 +1164,7 @@ static struct pcpu_alloc_info * __init pcpu_build_alloc_info(
                 }
 
                 /*
-                 * Don't accept if wastage is over 25%.  The
+                 * Don't accept if wastage is over 1/3.  The
                  * greater-than comparison ensures upa==1 always
                  * passes the following check.
                  */