[PATCH v2 0/7] kernel/cgroups: Add "dmem" memory accounting cgroup.

[Maxime Ripard]

Hi,

Thanks for the new update!

On Wed, Dec 04, 2024 at 02:44:00PM +0100, Maarten Lankhorst wrote:
> New update. Instead of calling it the 'dev' cgroup, it's now the
> 'dmem' cgroup.
> 
> Because it only deals with memory regions, the UAPI has been updated
> to use dmem.min/low/max/current, and to make the API cleaner, the
> names are changed too.

The API is much nicer, and fits much better into other frameworks too.

> dmem.current could contain a line like:
> "drm/0000:03:00.0/vram0 1073741824"
> 
> But I think using "drm/card0/vram0" instead of PCIID would perhaps be
> good too. I'm open to changing it to that based on feedback.

Do we have any sort of guarantee over the name card0 being stable across
reboots?

I also wonder if we should have a "total" device that limits the amount
of memory we can allocate from any region?

Maxime
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