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Re: dynamically allocating chunks from shared memory - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: dynamically allocating chunks from shared memory
Date
Msg-id 1279652545-sup-5894@alvh.no-ip.org
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In response to Re: dynamically allocating chunks from shared memory  (Markus Wanner <markus@bluegap.ch>)
Responses Re: dynamically allocating chunks from shared memory
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Excerpts from Markus Wanner's message of mar jul 20 14:36:55 -0400 2010:

> > I'm also unconvinced that spinlocks are the best locking primitive here.
> > Why not lwlocks?
> 
> It's derived from a completely lock-free algorithm, as proposed by Maged 
> M. Michael in: Scalable Lock-Free Dynamic Memory Allocator.

Hmm, deriving code from a paper published by IBM sounds like bad news --
who knows what patents they hold on the techniques there?

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