https://bugs.exim.org/show_bug.cgi?id=1749
--- Comment #12 from Giuseppe D'Angelo <dangelog@???> ---
(In reply to Zoltan Herczeg from comment #10)
> It seems the trick is mapping it twice:
>
> > One is writeable, the other is executable.
>
> So one thread can write a new code while another executes an existing
> pattern.
So basically all threads use the same mapping, with different permissions in
different regions, instead of having one mapping per jit-compiled pattern?
> Next question: how can you allocate / deallocate 64K+ chunks of this file?
Could you pleae elaborate a little about what's going on here?
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