Question about Mapping DB Recursion Depth on Fiasco.OC

Adam Lackorzynski adam at os.inf.tu-dresden.de
Wed Mar 23 22:21:24 CET 2011


Hi,

On Wed Mar 23, 2011 at 10:54:22 +0100, Christoph Szeppek wrote:
> as far as I understand, the mapping database consists of a treemap
> with an entry for each superpage. Each entry points to an array
> describing the page's mappings (mapping tree). Each element of this
> mapping tree either represents a mapping or stores the address of a
> treemap, if the superpage has been splitted into pieces with a size of
> the next smaller valid page size.
> Is it correct that an element of a mapping tree references another
> treemap only in case the page has been spllitted and therefor the
> maximum recursion depth is limited by the amount of valid page sizes?

Yes.


Adam
-- 
Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/




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