bug#2790: emacs 22.1.1 cannot open 5GB file on 64GB 64-bit GNU/Linux box

[Stefan Monnier]

>     There was an incorrect check that limited the size to INT_MAX/4
>     (i.e. 512MB for systems where ints are 32bit).  I've removed this check
>     in the CVS code (see patch below).  I am now able to open an 800MB file
>     with this check removed.

> After you visit such a file, what does (point-max) return?

It returns the correct value.

> Perhaps you're talking only about 64-bit systems?

Yes, all this discussion is in this context.  For 32bit systems, the
256MB limit kicks in long before we hit any of those problems.


        Stefan