Messages in this thread | | | Date | Thu, 20 May 1999 08:09:44 +1200 | From | Chris Wedgwood <> | Subject | Re: [VFS] move active filesystem |
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> Not really. We obviously can, but not in O(1).
Indeed... but not for arbitrary pages (eg. locked by other susbsystems, drivers or applications)
> I could just add the logic to have the information in O(1), but > then you must know that at every allocation you'll have to insert a > entry in a queue, and remove an entry from a queue at every > umapping/freeing of memory. Anyway I'll think I'll do that very > soon to improve and simplify a lot my update_shared_mappings and > many other similar thing in order to handle all such things in > O(1).
Won't this be fairly expensive?
-cw
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