On 11/22/2016 05:06 PM, Marc MERLIN wrote: > On Mon, Nov 21, 2016 at 01:56:39PM -0800, Marc MERLIN wrote: >> On Mon, Nov 21, 2016 at 10:50:20PM +0100, Vlastimil Babka wrote: >>>> 4.9rc5 however seems to be doing better, and is still running after 18 >>>> hours. However, I got a few page allocation failures as per below, but the >>>> system seems to recover. >>>> Vlastimil, do you want me to continue the copy on 4.9 (may take 3-5 days) >>>> or is that good enough, and i should go back to 4.8.8 with that patch applied? >>>> https://marc.info/?l=linux-mm&m=147423605024993 >>> >>> Hi, I think it's enough for 4.9 for now and I would appreciate trying >>> 4.8 with that patch, yeah. >> >> So the good news is that it's been running for almost 5H and so far so good. > > And the better news is that the copy is still going strong, 4.4TB and > going. So 4.8.8 is fixed with that one single patch as far as I'm > concerned. > > So thanks for that, looks good to me to merge. Thanks a lot for the testing. So what do we do now about 4.8? (4.7 is already EOL AFAICS). - send the patch [1] as 4.8-only stable. Greg won't like that, I expect. - alternatively a simpler (againm 4.8-only) patch that just outright prevents OOM for 0 < order < costly, as Michal already suggested. - backport 10+ compaction patches to 4.8 stable - something else? Michal? Linus? [1] https://marc.info/?l=linux-mm&m=147423605024993 > Marc > -- 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>