systems and apparatus for managing buffers in a buffer memory are described . in at least one aspect , a system includes a buffer memory including a plurality of buffers ; an allocation memory including a plurality of allocation data elements associated with the plurality of buffers ; an allocation clear register coupled with the allocation memory ; a reclaim memory including a plurality of reclaim data elements each associated with an allocation data element and corresponding buffer ; a reclaim clear register coupled with the reclaim memory ; an allocation register configured to receive one or more allocation data elements from the allocation memory ; and a buffer manager .