tcp_enter_memory_pressure  982 include/net/tcp.h extern void tcp_enter_memory_pressure(struct sock *sk);
tcp_enter_memory_pressure 2371 net/ipv4/tcp_ipv4.c 	.enter_memory_pressure	= tcp_enter_memory_pressure,
tcp_enter_memory_pressure 2038 net/ipv6/tcp_ipv6.c 	.enter_memory_pressure	= tcp_enter_memory_pressure,