Re: [PATCH 01/14] vmscan: consider classzone_idx in compaction_ready

2016-05-04 Thread Michal Hocko
On Wed 20-04-16 15:47:14, Michal Hocko wrote: > From: Michal Hocko > > while playing with the oom detection rework [1] I have noticed > that my heavy order-9 (hugetlb) load close to OOM ended up in an > endless loop where the reclaim hasn't made any progress but > did_some_progress didn't reflect

Re: [PATCH 01/14] vmscan: consider classzone_idx in compaction_ready

2016-04-20 Thread Hillf Danton
> > From: Michal Hocko > > while playing with the oom detection rework [1] I have noticed > that my heavy order-9 (hugetlb) load close to OOM ended up in an > endless loop where the reclaim hasn't made any progress but > did_some_progress didn't reflect that and compaction_suitable > was backing

[PATCH 01/14] vmscan: consider classzone_idx in compaction_ready

2016-04-20 Thread Michal Hocko
From: Michal Hocko while playing with the oom detection rework [1] I have noticed that my heavy order-9 (hugetlb) load close to OOM ended up in an endless loop where the reclaim hasn't made any progress but did_some_progress didn't reflect that and compaction_suitable was backing off because no z