On Fri, Apr 1, 2022 at 1:14 PM Wei Xu <weixugc@xxxxxxxxxx> wrote: > [...] > > -EAGAIN sounds good, too. Given that the userspace requests to > reclaim a specified number of bytes, I think it is generally better to > tell the userspace whether the request has been successfully > fulfilled. Ideally, it would be even better to return how many bytes > that have been reclaimed, though that is not easy to do through the > cgroup interface. What would be the challenge on returning the number of bytes reclaimed through cgroup interface?
