VMS Help Sys Parameters, WPRE_SIZE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    WPRE_SIZE represents the number of pages to be allocated to
    accommodate WatchPoint Recovery Entries (WPRE) on the Watchpoint
    Driver.

    This special parameter is used by Compaq and is subject to
    change. Do not change this parameter unless Compaq recommends
    that you do so.

    WPRE_SIZE is a DYNAMIC parameter.