.ctl_name       = CTL_UNNUMBERED,
                .procname       = "nlm_grace_period",
                .data           = &nlm_grace_period,
-               .maxlen         = sizeof(int),
+               .maxlen         = sizeof(unsigned long),
                .mode           = 0644,
                .proc_handler   = &proc_doulongvec_minmax,
                .extra1         = (unsigned long *) &nlm_grace_period_min,
                .ctl_name       = CTL_UNNUMBERED,
                .procname       = "nlm_timeout",
                .data           = &nlm_timeout,
-               .maxlen         = sizeof(int),
+               .maxlen         = sizeof(unsigned long),
                .mode           = 0644,
                .proc_handler   = &proc_doulongvec_minmax,
                .extra1         = (unsigned long *) &nlm_timeout_min,