Subject: Re: direct copy() between two proc address spaces
To: Eric Haszlakiewicz <erh@jodi.nimenees.com>
From: Jason Thorpe <thorpej@wasabisystems.com>
List: tech-kern
Date: 06/20/2004 14:01:19
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On Jun 20, 2004, at 1:58 PM, Eric Haszlakiewicz wrote:

> 	you also loan the pages from one process to the other, assuming the
> data size was "big enough", and the receive buffer was suitably 
> aligned.
> (what's big enough?  Didn't someone do some performance tests for 
> this?)

This type of loan only works if one process loans an object-backed page 
to an anon in the receiving process.

         -- Jason R. Thorpe <thorpej@wasabisystems.com>


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