Re: [RFC v1] memcg: add memcg lru for page reclaiming

2019-10-23 Thread Michal Hocko
On Wed 23-10-19 12:44:48, Hillf Danton wrote: > > On Tue, 22 Oct 2019 15:58:32 +0200 Michal Hocko wrote: > > > > On Tue 22-10-19 21:30:50, Hillf Danton wrote: [...] > > > in this RFC after ripping pages off > > > the first victim, the work finishes with the first ancestor of the victim > > >

Re: [RFC v1] memcg: add memcg lru for page reclaiming

2019-10-22 Thread Michal Hocko
On Tue 22-10-19 21:30:50, Hillf Danton wrote: > > On Mon, 21 Oct 2019 14:14:53 +0200 Michal Hocko wrote: > > > > On Mon 21-10-19 19:56:54, Hillf Danton wrote: > > > > > > Currently soft limit reclaim is frozen, see > > > Documentation/admin-guide/cgroup-v2.rst for reasons. > > > > > > Copying

Re: [RFC v1] memcg: add memcg lru for page reclaiming

2019-10-21 Thread Michal Hocko
On Mon 21-10-19 19:56:54, Hillf Danton wrote: > > Currently soft limit reclaim is frozen, see > Documentation/admin-guide/cgroup-v2.rst for reasons. > > Copying the page lru idea, memcg lru is added for selecting victim > memcg to reclaim pages from under memory pressure. It now works in >