"Eli Zaretskii" <eliz@gnu.org> writes:

> Does "M-x malloc-trim" make the memory footprint smaller?

I haven't had an Emacs session open long enough in a bit to get it up to
1.3GB again, but I did have a 550MB session open, so I ran M-x
malloc-trim on it. That brought it back down to 407MB of resident memory.