Re: MPS signals and Emacs

[Gerd Möllmann]

Eli Zaretskii <eliz@gnu.org> writes:

>> Not sure if I understand... Because of O? O is live, and if P would
>> remain in from-space, O's memory could be overwritten by the next GC,
>> where P would be considered part of to-space if we don't prevent it.
>
> So we will now have in to-space 2 copies of all the objects that were
> in P and could be copied to to-space?  IOW, instead of a single page
> P, we now have 2 pages: one that has all the objects in P except O,
> and another with O?

Yes!

Maybe with the remark that everything in P except O is actually not in
use.