diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 5418ef6..8e96558 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -772,9 +772,9 @@
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "softlockup_thresh",
 		.data		= &softlockup_thresh,
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= &proc_doulongvec_minmax,
 		.strategy	= &sysctl_intvec,
 		.extra1		= &one,
 		.extra2		= &sixty,
@@ -783,27 +783,27 @@
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "hung_task_check_count",
 		.data		= &sysctl_hung_task_check_count,
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= &proc_doulongvec_minmax,
 		.strategy	= &sysctl_intvec,
 	},
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "hung_task_timeout_secs",
 		.data		= &sysctl_hung_task_timeout_secs,
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= &proc_doulongvec_minmax,
 		.strategy	= &sysctl_intvec,
 	},
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "hung_task_warnings",
 		.data		= &sysctl_hung_task_warnings,
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= &proc_doulongvec_minmax,
 		.strategy	= &sysctl_intvec,
 	},
 #endif