Messages in this thread | | | Date | Thu, 28 Apr 2022 12:07:11 +0200 | Subject | Re: [PATCH v3] mm/khugepaged: sched to numa node when collapse huge page | From | David Hildenbrand <> |
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On 27.04.22 22:48, Andrew Morton wrote: > On Thu, 17 Mar 2022 02:50:24 -0400 Bibo Mao <maobibo@loongson.cn> wrote: > >> collapse huge page will copy huge page from general small pages, >> dest node is calculated from most one of source pages, however >> THP daemon is not scheduled on dest node. The performance may be >> poor since huge page copying across nodes, also cache is not used >> for target node. With this patch, khugepaged daemon switches to >> the same numa node with huge page. It saves copying time and makes >> use of local cache better. >> >> With this patch, specint 2006 base performance is improved with 6% >> on Loongson 3C5000L platform with 32 cores and 8 numa nodes. >> > > Are there any acks for this one please?
I'll have a look!
-- Thanks,
David / dhildenb
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