Messages in this thread | | | Date | Fri, 18 Mar 2022 01:46:39 +0000 | From | Matthew Wilcox <> | Subject | Re: [PATCH v2] mm: add access/dirty bit on numa page fault |
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On Fri, Mar 18, 2022 at 09:01:32AM +0800, maobibo wrote: > > Is this a correctness problem, in which case this will need to be > > backported, or is this a performance problem, in which case can you > > share some numbers? > It is only performance issue, and there is no obvious performance > improvement for general workloads on my hand, but I do not test > it on microbenchmark.
... if there's no performance improvement, why should we apply this patch? Confused.
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