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Re: Linux/i386 mm

Rik van Riel wrote:
> 
> On Sun, 4 Feb 2001, Lorenzo Allegrucci wrote:
> 
> > I have some questions:
> >
> > - On your MM notes you say:
> > >Apparently kernel virtual memory must map all of physical memory. Why?
> 
> Except that this isn't true. The kernel only maps about
> 900MB (less actually) of memory into its own page tables,
> the rest isn't mapped by the kernel.

Yes, that and vmap() etc. are covered as well, on other pages.
The vmnotes.html file contains raw, unprocessed attempts
to understand the code, the idea being that sometimes
it's useful to see a reasoning process in action.
Maybe I should get rid of that section. The other pages
cover things in a more organized and (hopefully)
correct way.


-- Joe Knapka
-
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