On Mon 19-09-16 09:42:37, Lorenzo Stoakes wrote: > On Mon, Sep 19, 2016 at 10:32:15AM +0200, Michal Hocko wrote: > > > > so this is the same thing as in Linus case. All the zones are hitting > > min wmark so the should_compact_retry() gave up. As mentioned in other > > email [1] this is inherent limitation of the workaround. Your system is > > swapless but there is a lot of the reclaimable page cache so Vlastimil's > > patches should help. > > I will experiment with a linux-next kernel and see if the problem > recurs. I've attempted to see if there is a way to manually reproduce > on the mainline kernel by performing workloads that triggered the > OOM (loading google sheets tabs, compiling a kernel, playing a video > on youtube), but to no avail - it seems the system needs to be > sufficiently fragmented first before it'll trigger. > > Given that's the case, I'll just have to try using the linux-next > kernel and if you don't hear from me you can assume it did not repro > again :) OK, fair deal ;) > I actually have a whole bunch of other OOM kill logs that I saved > from previous occurrences of this issue, would it be useful for me to > pastebin them, or would they not add anything of use beyond what's > been shown in this thread? If they are from before the workaround then it probably won't be that useful. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>