1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index bdf7090b106d..a2854f6e0743 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1340,7 +1340,7 @@ static struct ctl_table vm_table[] = {
         {
                 .procname       = "dirtytime_expire_seconds",
                 .data           = &dirtytime_expire_interval,
-                .maxlen         = sizeof(dirty_expire_interval),
+                .maxlen         = sizeof(dirtytime_expire_interval),
                 .mode           = 0644,
                 .proc_handler   = dirtytime_interval_handler,
                 .extra1         = &zero,