From: "Theo de Raadt" <deraadt@openbsd.org>
Subject: Re: MAXTSIZ vs chromium [Re: ungoogled-chromium-155.0.8059.39: ENOMEM on amd64 -current]
To: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: Stuart Henderson <stu@spacehopper.org>, d.haasler@gmx.at, ports@openbsd.org, robert@openbsd.org
Date: Mon, 12 Oct 2026 14:29:24 -0600

Mark Kettenis <mark.kettenis@xs4all.nl> wrote:

> These days I can't watch a an average youtube video anymore without
> the tab crashing.  Bumping ulimit -d seems to fix that.  Currently
> have it at 4G, but I'll see if a lower limit works as well.

That is dirty memory, and swaps / pages out less than text.

It would be nice to find a reasonable number.

For chrome, in practice, this might not be possible.  I think it has
some subsystems that will allocate memory, hold onto it excessively
and unneccesariy, and the feedback loop for dropping it is of course
very weak if it suceeds at getting more new memory elsewhere...