On Thu, Aug 25, 2022 at 06:11:09PM +0800, Zhaoyang Huang wrote: > Sorry for any misunderstanding among the discussion. My purpose is > real and simple as I have stated from the very beginning that I would > like to have per-app cgroup hierarchy to charge memory to root if it > is not enabled explicitly for memory. The reason has also been stated > like reclaim and workingset regression in suren's report. I don't > think my proposal will do any harm to current v2's mechanism besides > asking for the admin echo "+memory" to their desire group. It would permit children to escape parental control, completely breaking the hierarchy and delegation guarantees currently in place. That just isn't going to happen. Nacked-by: Johannes Weiner <hannes@xxxxxxxxxxx> I would suggest focusing on finding the root cause for the reclaim problem you are describing. It's possible all we need is a fix to reclaim or the workingset code.
