On Wed 01-08-18 10:48:00, jing xia wrote: > We reproduced this issue again and found out the root cause. > dm_bufio_prefetch() with dm_bufio_lock enters the direct reclaim and > takes a long time to do the soft_limit_reclaim, because of the huge > number of memory excess of the memcg. > Then, all the task who do shrink_slab() wait for dm_bufio_lock. > > Any suggestions for this?Thanks. Do not use soft limit? -- Michal Hocko SUSE Labs -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
