Linux kernel 6.1.54 dropped support for /sys/fs/cgroup/memory/memory.kmem.limit_in_bytes

[basphilippus]

Linux kernel 6.1.54 (which is used in the latest version of Raspberry Pi OS), drops support for /sys/fs/cgroup/memory/memory.kmem.limit_in_bytes, which is required to start a Kubernetes node (in my case specifically a K3s node, but I don't think that matters) (kubernetes/kubernetes#120813).

Linux kernel 6.1.55 reverted the dropping of /sys/fs/cgroup/memory/memory.kmem.limit_in_bytes (https://lwn.net/Articles/945379/).

Would it be possible to bump the kernel version to 6.1.55 so we can use Raspberry Pis as a Kubernetes node again?

[popcornmix]

Are you on RPiOS bookworm? I believe apt is on 6.1.58, so should be new enough for you.

If you are on an older distribution, then there's only likely to be critical updates.