diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3a45c22..694b140 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1352,16 +1352,16 @@
 	{
 		.procname	= "file-nr",
 		.data		= &files_stat,
-		.maxlen		= 3*sizeof(int),
+		.maxlen		= sizeof(files_stat),
 		.mode		= 0444,
 		.proc_handler	= proc_nr_files,
 	},
 	{
 		.procname	= "file-max",
 		.data		= &files_stat.max_files,
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(files_stat.max_files),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= proc_doulongvec_minmax,
 	},
 	{
 		.procname	= "nr_open",