Re: question about ramdisk

From: Lee Revell
Date: Tue Jul 13 2004 - 15:07:38 EST


"Unix Internals", by Uresh Vahalia (sp?). This book went everywhere I
did for a year. I cannot praise it highly enough. Read that, then get
Robert Love's 'Linux Kernel Programming'.

Lee

On Tue, 2004-07-13 at 10:01, lya755@xxxxxxxxxxxxxxxxxxxx wrote:
> Thank you! Can you pls tell me where I can find related references? I've been
> looking into several books about kernel and part of the kernel code, but no
> luck so far..
>
> Thanks for any comments!
>
> Quoting "H. Peter Anvin" <hpa@xxxxxxxxx>:
>
> > 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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>
>
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