On Thu, 27 Jun 2013, Roman Gushchin wrote: > > They certainly aren't enough, the kernel you're running suffers from a > > couple different memory compaction issues that were fixed in 3.7. I > > couldn't sympathize with your situation more, I faced the same issue > > because of thp and not slub (we use slab). > > > > > I'll try to reproduce the issue on raw 3.9. > > > > > I can't reproduce the issue on 3.9. > It seems that compaction fixes in 3.7 solve the problem. > Yeah, we had significant problems with memory compaction in 3.3 and 3.4 kernels, so if you need to run with such a kernel you'll want to backport the listed commits. I'm not sure we could get such invasive changes into a stable release, unfortunately. -- 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>