Pardew said, "Part of doing business is to make sure you try to do something that's useful for your club.
"I lost Jermain Defoe in a similar situation when I was at West Ham United, and brought in Bobby Zamora.
"Hopefully, we can have similar success with Greg. He's coming here on loan and I think he's got a lot to prove.
"It didn't work out for him at Reading, it didn't work out for him at Sunderland, so I think he needs to be a success here, but I think he will be a massive asset for us."
CharltonMAD will be first with the news of Reid's departure if and when it happens.