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Re: When should ralloc.c be used?

From: Eli Zaretskii
Subject: Re: When should ralloc.c be used?
Date: Sun, 23 Oct 2016 23:33:02 +0300

> From: Stefan Monnier <address@hidden>
> Date: Sun, 23 Oct 2016 16:23:38 -0400
> >> It just means that I really see no reason why it wouldn't work just fine.
> >> It's not like glibc's malloc was particularly magical, so we should be
> >> able to do the same in gmalloc.c.
> > AAIK, glibc's malloc doesn't use sbrk anymore.
> I don't think it matters very much since we use mmap for the buffers,

No, we don't, not on GNU/Linux anyway.  Or do you see
USE_MMAP_FOR_BUFFERS defined to 1 in your src/config.h?

> And if it proves to really be a problem, we could replace our gmalloc.c
> with a more recent one which builds on mmap.

That's a possibility, yes.  But someone would have to bring such a
gmalloc, and probably leave the current one as well, to minimize the
impact on unaffected platforms.

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