On 09/18/2016 10:58 PM, Linus Torvalds wrote: > On Sun, Sep 18, 2016 at 1:26 PM, Lorenzo Stoakes <lstoakes@xxxxxxxxx> wrote: >> >> I encountered this even after applying the patch discussed in the >> original thread at https://lkml.org/lkml/2016/8/22/184. It's not easily >> reproducible but it is happening enough that I could probably check some >> specific state when it next occurs or test out a patch to see if it >> stops it if that'd be useful. > > Since you can at least try to recreate it, how about the series in -mm > by Vlastimil? The series was called "reintroduce compaction feedback > for OOM decisions", and is in -mm right now: > > Vlastimil Babka (4): > Revert "mm, oom: prevent premature OOM killer invocation for high > order request" > mm, compaction: more reliably increase direct compaction priority > mm, compaction: restrict full priority to non-costly orders > mm, compaction: make full priority ignore pageblock suitability > > I'm not sure if Andrew has any other ones pending that are relevant to oom. The 4 patches above had more as prerequisities already in -mm. So one way to test is the whole tree: git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git tag mmotm-2016-09-14-16-49 or just a recent -next. -- 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>