Re: question about ramdisk

[H. Peter Anvin]

Followup to:  <1089651469.40f2c30d44364@xxxxxxxxxxxxxxxxxxxxxxxxx>
By author:    lya755@xxxxxxxxxxxxxxxxxxxx
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
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