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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 20:05:34 +0300

> Cc: address@hidden
> From: Paul Eggert <address@hidden>
> Date: Mon, 24 Oct 2016 09:54:24 -0700
> >    . Build with gmalloc but without ralloc.
> This goes back to what we were doing, no?

No, we were using the glibc malloc, AFAIK.  Or am I missing something?

> >    . Back-port the HYBRID_MALLOC changes from master.  Not sure if the
> >      patch is simple and safe enough, or whether the result is tested
> >      well enough to have that on emacs-25.
> This sounds riskier.
> >    . Build with gmalloc and use mmap for buffer text allocation.
> This also sounds riskier.

I agree with your assessments.

> How about the attached patch for emacs-25? Basically, it says "use 
> ralloc.c only if requested via './configure REL_ALLOC=yes'".

LGTM.  Should we wait for people to build with REL_ALLOC=no manually,
to see if there are any problems, or should we push this right away?

> I assume that this patch need not be ported to master, due to

Yes, I think so.


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