Re: New GC concept

[Eli Zaretskii]

> From: Daniele Nicolodi <daniele@grinta.net>
> Date: Mon, 7 Jun 2021 21:51:45 +0200
> 
> > We can definitely replace the existing GC with the new GC everywhere. 
> > I've designed the new GC to work on systems without virtual memory 
> > facilities. On these systems, we'll have to run the GC in 
> > non-concurrent, non-generational mode, but that's no regression from 
> > what we have today. We'll also probably want to use a smaller block size 
> > on these systems to reduce fragmentation overhead.
> 
> Isn't DOS the only system in this class? (It is not a rhetorical
> question: a while ago I asked which systems are officially supports and
> the answer was that all systems that currently run Emacs are supported).
> 
> Does it make sense to still support DOS?

The development environment which is used to build the MS-DOS port of
Emacs (DJGPP) does support virtual memory (IIUC what that means in
this context).