Symbol: mptcp_userspace_pm_is_backup
net/mptcp/pm.c
1058
return mptcp_userspace_pm_is_backup(msk, &skc_local);
net/mptcp/protocol.h
1218
bool mptcp_userspace_pm_is_backup(struct mptcp_sock *msk, struct mptcp_addr_info *skc);