Re: master 5c532fe303: Recommend that the user turn off memory overcommit

[Po Lu]

Óscar Fuentes <ofv@wanadoo.es> writes:

> Stefan Monnier <monnier@iro.umontreal.ca> writes:
>
>>> +@cindex memory trouble, GNU/Linux
>>> +  On GNU/Linux systems, the system does not normally report running
>>> +out of memory to Emacs, and can instead randomly kill processes when
>>> +they run out of memory.  We recommend that you turn this behavior off,
>>> +so that Emacs can respond correctly when it runs out of memory, by
>>> +becoming the super user, editing the file @code{/etc/sysctl.conf} to
>>> +contain the following lines, and then running the command @code{sysctl
>>> +-p}:
>>
>> FWIW, I think this is none of Emacs's business.
>
> +1
>
> Recommending to tweak kernel parameters is way over the top for dealing
> with system-wide conditions on a way that supposedly is "correct" for
> Emacs specifically.

Why? We recommend doing just that in many places when a kernel parameter
interferes with the normal behavior of Emacs, especially in
etc/PROBLEMS, with exec-shield and ASLR.