conn_head 272 net/rxrpc/call_accept.c unsigned short call_head, conn_head, peer_head; conn_head 280 net/rxrpc/call_accept.c conn_head = smp_load_acquire(&b->conn_backlog_head); conn_head 282 net/rxrpc/call_accept.c conn_count = CIRC_CNT(conn_head, conn_tail, RXRPC_BACKLOG_MAX);