RE: [Xen-devel] Question: how to unmap memory mapped with direct_kernel_remap_pfn_range() ?

["Santos, Jose Renato G" <joserenato.santos@xxxxxx>]

Thanks, Keir
Renato 

> -----Original Message-----
> From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] 
> Sent: Friday, September 15, 2006 2:54 AM
> To: Santos, Jose Renato G; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Question: how to unmap memory mapped 
> with direct_kernel_remap_pfn_range() ?
> 
> 
> 
> 
> On 15/9/06 03:07, "Santos, Jose Renato G" 
> <joserenato.santos@xxxxxx> wrote:
> 
> > Xenoprof buffers are mapped into the kernel using 
> > direct_kernel_remap_pfn_range().
> > I need to unmap the buffer when it is not needed anymore.
> > 
> > However, I could not find any function that unmaps pages previously 
> > mapped with direct_kernel_remap_pfn_range().
> > Any suggestion on how to do this?
> 
> Remember the vm_struct returned by alloc_vm_area(). Pass it to
> free_vm_area() to unmap and free.
> 
>  -- Keir
> 
> 
> 

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