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Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
-rw-r--r--net/ipv4/sysctl_net_ipv4.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 5d563615718d..81739ffc4168 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -46,6 +46,7 @@ static int tcp_delack_seg_min = TCP_DELACK_MIN;
static int tcp_delack_seg_max = 60;
static int tcp_use_userconfig_min;
static int tcp_use_userconfig_max = 1;
+static int one_day_secs = 24 * 3600;
/* Update system visible IP port range */
static void set_local_port_range(struct net *net, int range[2])
@@ -616,7 +617,9 @@ static struct ctl_table ipv4_table[] = {
.data = &sysctl_tcp_min_rtt_wlen,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &one_day_secs
},
{
.procname = "tcp_low_latency",