Re: [PATCH] Use MAP_HUGETLB where supported (v3)

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От Alvaro Herrera
Тема Re: [PATCH] Use MAP_HUGETLB where supported (v3)
Дата
Msg-id 20140127192023.GJ10723@eldon.alvh.no-ip.org
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Ответ на Re: [PATCH] Use MAP_HUGETLB where supported (v3)  (Heikki Linnakangas <hlinnakangas@vmware.com>)
Ответы Re: [PATCH] Use MAP_HUGETLB where supported (v3)  (Heikki Linnakangas <hlinnakangas@vmware.com>)
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Heikki Linnakangas wrote:

> I spent some time whacking this around, new patch version attached.
> I moved the mmap() code into a new function, that leaves the
> PGSharedMemoryCreate more readable.

Did this patch go anywhere?

Someone just pinged me about a kernel scalability problem in Linux with
huge pages; if someone did performance measurements with this patch,
perhaps it'd be good to measure again with the kernel patch in place.

https://lkml.org/lkml/2014/1/26/227

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services



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