From cd04bd022258f4aa6e8392c8133dbbf31da0f12f Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 31 Mar 2021 10:52:08 -0700 Subject: [PATCH] ipv4: convert udp_l3mdev_accept sysctl to u8 Reduce footprint of sysctls. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/net/netns/ipv4.h | 2 +- net/ipv4/sysctl_net_ipv4.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index b187ac597b8c..d309b1b89715 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -194,7 +194,7 @@ struct netns_ipv4 { u8 sysctl_fib_notify_on_flag_change; #ifdef CONFIG_NET_L3_MASTER_DEV - int sysctl_udp_l3mdev_accept; + u8 sysctl_udp_l3mdev_accept; #endif int sysctl_igmp_max_memberships; diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index a2352d8d88cc..1b6ce649a433 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -1065,9 +1065,9 @@ static struct ctl_table ipv4_net_table[] = { { .procname = "udp_l3mdev_accept", .data = &init_net.ipv4.sysctl_udp_l3mdev_accept, - .maxlen = sizeof(int), + .maxlen = sizeof(u8), .mode = 0644, - .proc_handler = proc_dointvec_minmax, + .proc_handler = proc_dou8vec_minmax, .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, },