On 11/09/2014 09:22 AM, P. Christeas wrote: > On Sunday 09 November 2014, Hillf Danton wrote: >> - return COMPACT_CONTINUE; >> + return COMPACT_SKIPPED; > > I guess this one would mitigate against Vlastmil's migration scanner issue, > wouldn't it? Please no, that's a wrong fix. The purpose of compaction is to make the high-order watermark meet, not give up. > In that case, I should wait a bit[1] to try the first patch, then revert, try > yours and (hopefully) have some results. I hope my patch will be enough, > Then, apply both. > > [1] trying to push the vm by loading memory-hungry apps and random load. Maybe the tools/testing/selftests/vm/transhuge-stress could help -- 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>