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From: hpa@zytor.com (H. Peter Anvin)
Subject: Re: question about ramdisk
Date: Mon, 12 Jul 2004 17:13:02 +0000 (UTC)
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Followup to:  <1089651469.40f2c30d44364@core.ece.northwestern.edu>
By author:    lya755@ece.northwestern.edu
In newsgroup: linux.dev.kernel
>
> Hi all,
> 
> I am learning linux kernel and have a question about ramdisk. When loading an 
> executable in ramdisk, is the kernel loading the code all at a time to memory 
> and then execute, or is it loading only a page at one time and generating a 
> page fault to fetch another page?
> 
> Thanks for any comments! Waiting desprately for your help.
> 

Neither.  The code is already in RAM.  It's mapped into the process
address space and run in place.

	-hpa