Messages in this thread | | | Date | Mon, 13 Jul 2015 16:03:19 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 4/4] mm: Increase SWAP_CLUSTER_MAX to batch TLB flushes |
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On Thu, 9 Jul 2015 09:14:25 +0100 Mel Gorman <mgorman@suse.de> wrote:
> Overall, I would say that none of these workloads justify the patch on > its own. Reducing IPIs further is nice but we got the bulk of the > benefit from the two batching patches and after that other factors > dominate. Based on the results I have, I'd be ok with the patch being > dropped. It can be reconsidered for evaluation if someone complains > about excessive IPIs again on reclaim intensive workloads.
OK, thanks. The benefit is small and there is some risk of unanticipated problems. I think I'll park the patch in -mm for now and will wait to see if something happens.
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