On Thu 02-07-20 08:22:22, Shakeel Butt wrote: [...] > Interface options: > ------------------ > > 1) memcg interface e.g. 'echo 10M > memory.reclaim' > > + simple > + can be extended to target specific type of memory (anon, file, kmem). > - most probably restricted to cgroup v2. > > 2) fadvise(PAGEOUT) on cgroup_dir_fd > > + more general and applicable to other FSes (actually we are using > something similar for tmpfs). > + can be extended in future to just age the LRUs instead of reclaim or > some new use cases. Could you explain why memory.high as an interface to trigger pro-active memory reclaim is not sufficient. Also memory.low limit to protect latency sensitve workloads? -- Michal Hocko SUSE Labs
