The Uruguayan defensive midfielder signed for Atletico in the summer on loan, but has only played 13 games.
He has only managed two instances of 90 minutes, with most of his appearances coming off the bench.
Asked about Torreira, Edu told AS in Spain: "The situation is very simple.
"Arsenal is concerned about Torreira, his happiness, that he plays and that he is well.
"We want to know about him how he feels and, later, of course, know what Atlético thinks.
"For us, Lucas and his happiness is what more important.
"If everyone is happy, we will continue like this, if Lucas is not well, we will look for a change because there are many teams that are calling me to ask about the player's situation."