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Re: When should ralloc.c be used?

From: Eli Zaretskii
Subject: Re: When should ralloc.c be used?
Date: Mon, 24 Oct 2016 09:59:34 +0300

> From: Stefan Monnier <address@hidden>
> Date: Sun, 23 Oct 2016 16:44:10 -0400
> >> I don't think it matters very much since we use mmap for the buffers,
> > No, we don't, not on GNU/Linux anyway.
> AFAIK the decision not to use mmap was due to the fact that glibc's
> malloc itself uses mmap.  But if we don't use glibc's malloc, then why
> wouldn't we decide to use mmap ourselves for the buffers?

I already asked that:


The only answer was disappointing:

  I don't know, and would rather not spend time investigating.

It looks like either people don't realize what a land mine we just
stepped on, or they simply don't care enough.

Does it make sense to anyone to release Emacs 25.2 that doesn't work
reliably on recent GNU/Linux systems?  Because that's what is going to
happen if we don't invest all the resources we have into solving this.

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