[RFC PATCH] delayacct: delayacct_stats[] can be static

[kernel test robot]

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 delayacct.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index b8d719fbfc404..2505aa9f87f61 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -32,7 +32,7 @@ struct delayacct_stat {
 	unsigned int idx;
 };
 
-struct delayacct_stat delayacct_stats[] = {
+static struct delayacct_stat delayacct_stats[] = {
 	{"blkio", DELAYACCT_BLKIO},
 	{"swapin", DELAYACCT_SWAPIN},
 	{"pagecache_thrashing", DELAYACCT_THRASHING},