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  3. May 2001

Re: how does mmap() work?

  • Subject: Re: how does mmap() work?
  • From: "Steve Richter" <srichter@xxxxxxxxxxxxx>
  • Date: Tue, 22 May 2001 15:43:08 -0400

Might I ask, why do you "care" how the mmap() API works?  Is it not enough
to know the purpose of the API, the parameters (the interface), and the results
that it provides, in order to make good use of this facility?
 
Hey Mark,
 
This api looks to be an advance for the iseries.  I would like to know how it was implemented in order to determine if it will perform well, to update my judgement of the quality of ibms technical mgmt. I also want to get a feel for how much of a say the ibm tech people have in deciding what is added to the os and how much time they were allowed to spend in implementing it.
 
I dont know much about teraspace and mmap() but I question why both?  Why is the teraspace limited to intraprocess while mmap() can work interprocess?
 
Is teraspace a stopgap that will now be replaced by the newer mmap( )?
 
Steve Richter
 
 

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