Justin C. Miller 0a097ec7d3 [kernel] Add add_existing() to page_tree ...

This ended up being unused, but still probably useful: Refactor out the
"find" logic of page_tree::find_or_add (note that this is different than
the "find" logic of page_tree::find, as it potentially modifies the tree
to add a location to accommodate the page being searched for) into a new
page_tree::get_entry method. That was then used to add an add_existing
method for inserting pages into the page_tree.

2023-02-07 19:40:12 -08:00

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