>>>>> "daniel" == Daniel Phillips <news-list.linux.kernel@innominate.de> writes:
Hi
daniel> Phase tree is my terminology. In my previous post I failed to mention a much
daniel> bigger reason why phase tree is not shadow paging: phase tree does not use a
daniel> shadow page table. Instead, it uses a tree where the differences between one
daniel> commit phase and the next generate a minimal set of new nodes, and only these
daniel> need to be written to disk.
If you have a good implementation of shadow paging, you are supposed
to write to disk the minimun amount of data possible, i.e. only the
things that have changed/are new. The method of writing the new data
to free blocks and then change only the root is a known and used
mechanism in shadow page implementations.
Later, Juan.
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