Description of problem:
In MRG 2 there were four queue limit policies: reject, flow-to-disk, ring, ring-strict

but in MRG 3 the flow-to-disk is superseded by paged queue feature
and the ring-strict were removed

Version-Release number of selected component (if applicable):
-

How reproducible:
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Steps to Reproduce:
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Actual results:
--limit-policy [none, reject, flow-to-disk, ring, ring-strict]	 Action to take when queue limit is reached.

Expected results:
--limit-policy [none, reject, ring]	 Action to take when queue limit is reached.

Additional info:

also the limit policies are mentioned on other places in documentation, and maybe also in the programming guide.

for example 4.11.1. Flow Control

please update those accordingly