RE: [PATCH 1/5] freepgt: free_pgtables use vma list

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On Tue, 22 Mar 2005, Luck, Tony wrote:
> 
> Alternatively you could modify the use of floor/ceiling as they
> are passed down from the top level to indicate the progressively
> greater address ranges that have been dealt with ... but I'm not
> completely convinced that gives you enough information.  You would
> need to do careful extension of the ceiling at each level to make
> sure that you reach out to the end of of each table at each level
> to account for gaps between vmas (which would result in no future
> calldown hitting this part of the table).

That pretty much describes how it does work (when it works!)

Hugh
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