YAMAMOTO Takashi wrote: > hi, > >> hi, >> >> here's a patch to implement memory.min_usage, >> which controls the minimum memory usage for a cgroup. >> >> it works similarly to mlock; >> global memory reclamation doesn't reclaim memory from >> cgroups whose memory usage is below the value. >> setting it too high is a dangerous operation. >> Looking through the code I am a little worried, what if every cgroup is below minimum value and the system is under memory pressure, do we OOM, while we could have easily reclaimed? I would prefer to see some heuristics around such a feature, mostly around the priority that do_try_to_free_pages() to determine how desperate we are for reclaiming memory. -- Balbir _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
