Having claimed his first championship medal last term, Smalling is now in the midst of his second run-in.
It means he can offer advice to England Under-21 team-mate Phil Jones, who is going through it all for the first time.
"A lot of it is about learning on your feet," said Smalling.
"I found that last season. Scholes and Giggs are in double figures for titles and in the final five or 10 minutes of matches their experience will brush off on us younger ones."