Messages in this thread | | | Date | Thu, 12 May 2022 18:49:08 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH v3] mm/khugepaged: sched to numa node when collapse huge page |
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On Fri, 13 May 2022 09:29:07 +0800 maobibo <maobibo@loongson.cn> wrote:
> > > >> and/or changelogging. > > Sorry for the late response, the mail is filtered and I did not notice that. The result is not so obvious after bandwidth is improved between nodes, it is only about 1% improvement for specint2006 for 32 core on my box. > > > > Now I do not see negative effective about this patch unless user wants to keep some cores separated from khugepaged daemon process. > > Can we provide an extra parameter to let khugepaged daemon scheduling binded to node or freely? If can, I will provide updated patch.
It has always surprised me that we have a single khugepaged thread. If we had a thread per node, you'd be all fixed up, yes?
Ditto ksmd.
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