Re: _mdfd_getseg can be expensive

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Kevin Grittner <kgrittn(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: _mdfd_getseg can be expensive
Date: 2016-08-31 22:06:23
Message-ID: CAM3SWZTyq4EjgZQ2FfkO73gaKvENqrYYvjZXSZh87_ePW0U8Jg@mail.gmail.com
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On Wed, Aug 31, 2016 at 2:37 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
>> This looks good.
>
> Thanks for looking!

No problem.

In other painfully pedantic news, I should point out that
sizeof(size_t) isn't necessarily word size (the most generic
definition of word size for the architecture), contrary to my reading
of the 0002-* patch comments. I'm mostly talking thinking about x86_64
here, of course.

--
Peter Geoghegan

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