Re: [PATCH v2] memcg: Add memory.pressure_level events

Hello,

On Tue, Feb 19, 2013 at 4:17 PM, Minchan Kim minchan@kernel.org wrote:

Should we really enable memcg for just pressure notificaion in embedded side? I didn't check the size(cgroup + memcg) and performance penalty but I don't want to add unnecessary overhead if it is possible. Do you have a plan to support it via global knob(ie, /proc/mempressure), NOT memcg?

That should be handled by mempressure at the root cgroup. If that adds significant amount of overhead code or memory-wise, we just need to fix root cgroup handling in memcg. No reason to further complicate the interface which already is pretty complex.

Thanks.