Re: [PATCH] mm: Add config option for default panic_on_oom value

[Andrew Morton]

On Wed, 11 May 2022 17:06:35 -0500 Eddie James <eajames@xxxxxxxxxxxxx> wrote:

> 
> On 5/11/22 16:56, Andrew Morton wrote:
> > On Wed, 11 May 2022 13:34:00 -0500 Eddie James <eajames@xxxxxxxxxxxxx> wrote:
> >
> >> Add the option to kconfig and set the default panic_on_value.
> > Why?  What are the use-cases and how does this benefit our users?
> 
> If a distribution (for example some embedded system distribution) wants 
> the system to always panic when OOM, they may as well configure their 
> kernel to do it by default, rather than writing to 
> /proc/sys/vm/panic_on_oom every boot. Maybe I'm missing another way to 
> do what I want here?

Presumably such a distribution would do this in initramfs initscripts
and forget about it.

What inspired the patch?  Have you seen a situation which was best
solved with this change?