[Telepathy] [Bug 16170] TpIntSet should cope with larger integers

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Dec 2 09:46:23 PST 2008


--- Comment #1 from Rob Taylor <rob.taylor at codethink.co.uk>  2008-12-02 09:46:23 PST ---
Another option is to divide up the malloced bitfield into 4k chunks, only zero
chunks in which a bit has been set. Maintain a bitfield for which chunks are
currently in use (that would be max 16k). Align the bitfield to a page boundary
when (re)allocing if it grows larger than a page for extra points.

The kernel should then nicely take care of paging for you, I think. The actual
operations should also be able to stay very light.

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