Warnock turned 63 on Thursday, but Hodgson believes the Rs boss won't be making any plans for retirement just yet.
He said: "Age is of no consequence if you've still got the passion.
"When Neil gets to 66, he will say he's got another few years left, I'm sure!
"He did very well the last time he was in the Premier League and was unlucky to get relegated with Sheffield United.
"This is the start of a potentially pivotal stage of the season for us and it's now a question of us turning performances into points."