Re: kernel VM area issue

[Fabrice Tchakountio <ftchakou@ftchakountio.bbn.com>]

Hi Christoph -

I'm totally new to the Linux VM system.
 
So how can we retrieve the pointer to the appropriate kernel physical
pages, the kernel VM addres ? 

Thanks for your prompt reply
Fabrice
 
On Tue, 2 Oct 2001, Christoph Hellwig wrote:

> On Tue, Oct 02, 2001 at 09:16:19AM -0400, Fabrice Tchakountio wrote:
> > 
> > Hi all -
> > 
> > My name is Fabrice. I'm currently working on Linux 2.4.2 kernel which is
> > part of Red-Hat 7.1 package. I'm hacking on the VM system of Linux.
> > My question is:
> > Given a kernel pointer ( pointer to a given kernel data structure),  how
> > can we find the appropriate VM area instance? 
> > 
> > for a userland pointer , we can do:
> >  
> > 	u_vma=find_vma(current->mm, u_ptr)
> 
> Kernel pointers usually aren't represented by a vma .
> 
> 	Christoph
> 
> -- 
> Of course it doesn't work. We've performed a software upgrade.
> 

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