ipmr: Define net->ipv4.{ipmr_notifier_ops,ipmr_seq} under CONFIG_IP_MROUTE.
net->ipv4.ipmr_notifier_ops and net->ipv4.ipmr_seq are used
only in net/ipv4/ipmr.c.
Let's move these definitions under CONFIG_IP_MROUTE.
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260228221800.1082070-13-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by