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Message-Id: <20210331175213.691460-5-eric.dumazet@gmail.com>
Date: Wed, 31 Mar 2021 10:52:08 -0700
From: Eric Dumazet <eric.dumazet@...il.com>
To: "David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev <netdev@...r.kernel.org>,
Eric Dumazet <edumazet@...gle.com>,
Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 4/9] ipv4: convert udp_l3mdev_accept sysctl to u8
From: Eric Dumazet <edumazet@...gle.com>
Reduce footprint of sysctls.
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
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 b187ac597b8ce33376070bcd42c8c935b9c287eb..d309b1b897158c564ac8e07e4ed6826fa6e7c7b7 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 a2352d8d88cc9956ac0ddcaf351cbc996fa10add..1b6ce649a433c6614d9b1ac28d6c6c3daa01a525 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,
},
--
2.31.0.291.g576ba9dcdaf-goog
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