Messages in this thread | | | Date | Mon, 16 May 2016 10:11:26 +0200 | From | Michal Hocko <> | Subject | Re: [RFC 11/13] mm, compaction: add the ultimate direct compaction priority |
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On Mon 16-05-16 09:17:11, Vlastimil Babka wrote: > On 05/13/2016 03:38 PM, Michal Hocko wrote: > > On Tue 10-05-16 09:36:01, Vlastimil Babka wrote: [...] > > > such as hugetlbfs allocations, and reduce some corner-case OOM's for non-costly > > > allocations. > > > > My testing has shown that even with the current implementation with > > deferring, skip hints and cached positions had (close to) 100% success > > rate even with close to OOM conditions. > > Hmm, I thought you at one point said that ignoring skip hints was a large > improvement, because the current resetting of them is just too fuzzy.
Not in the hugetlb test. But you are right that skip hints resulted in really fuzzy behavior. -- Michal Hocko SUSE Labs
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