Messages in this thread | | | Date | Sun, 09 Nov 2014 10:35:18 +0100 | From | Vlastimil Babka <> | Subject | Re: Early test: hangs in mm/compact.c w. Linus's 12d7aacab56e9ef185c |
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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
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