Question

What does Linda mean when she said “attention must be paid” to Willy

Since I don't know the specific context of that statement within the book, I can't really answer your question. What happened just before she made this statement? This might give you a clue about her meaning.

However, this article might be helpful:

http://www.members.cox.net/dagershaw/lol/BeHere.htm

I hope this helps. Thanks for asking.