On Mon, Feb 14, 2022 at 04:10:50PM -0500, Shuang Zhai wrote: > Hi Mel, > > Mel Gorman wrote: > > > > Mike Galbraith, Alexey Avramov and Darrick Wong all reported similar > > problems due to reclaim throttling for excessive lengths of time. > > In Alexey's case, a memory hog that should go OOM quickly stalls for > > several minutes before stalling. In Mike and Darrick's cases, a small > > memcg environment stalled excessively even though the system had enough > > memory overall. > > > > I recently found a regression when I tested MGLRU with fio on Linux > 5.16-rc6 [1]. After this patch was applied, I re-ran the test with Linux > 5.16, but the regression has not been fixed yet. > Am I correct in thinging that this only happens with MGLRU? -- Mel Gorman SUSE Labs
