I can't figure out the meaning of the word "bump" in the following sentence:
Periodically, a full sweep is made — large objects are still not copied (they just get their generation count bumped), and blocks containing small objects are copied and compacted.
It seems that it means increasing the variable, but no dictionary contains such definition for this word. And even if it is increasing, what increasing exactly is it? Increment the variable (add one) or add some random positive number?