SO_KEEPALIVE      988 fs/dlm/lowcomms.c 	result = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
SO_KEEPALIVE      555 net/core/sock.c 	case SO_KEEPALIVE:
SO_KEEPALIVE      726 net/core/sock.c 	case SO_KEEPALIVE: